[media] gcpca_sn9c20x: Convert to the control framework
HdG: Small fix: don't register some controls for sensors which don't have an implementation for them. Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> Signed-off-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
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c06ba2804a
commit
63069da1c8
1 changed files with 212 additions and 283 deletions
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@ -66,28 +66,32 @@ MODULE_LICENSE("GPL");
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#define LED_REVERSE 0x2 /* some cameras unset gpio to turn on leds */
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#define FLIP_DETECT 0x4
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enum e_ctrl {
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BRIGHTNESS,
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CONTRAST,
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SATURATION,
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HUE,
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GAMMA,
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BLUE,
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RED,
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VFLIP,
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HFLIP,
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EXPOSURE,
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GAIN,
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AUTOGAIN,
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QUALITY,
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NCTRLS /* number of controls */
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};
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/* specific webcam descriptor */
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struct sd {
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struct gspca_dev gspca_dev;
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struct gspca_ctrl ctrls[NCTRLS];
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struct v4l2_ctrl_handler ctrl_handler;
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struct { /* color control cluster */
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struct v4l2_ctrl *brightness;
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struct v4l2_ctrl *contrast;
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struct v4l2_ctrl *saturation;
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struct v4l2_ctrl *hue;
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};
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struct { /* blue/red balance control cluster */
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struct v4l2_ctrl *blue;
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struct v4l2_ctrl *red;
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};
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struct { /* h/vflip control cluster */
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struct v4l2_ctrl *hflip;
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struct v4l2_ctrl *vflip;
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};
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struct v4l2_ctrl *gamma;
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struct { /* autogain and exposure or gain control cluster */
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struct v4l2_ctrl *autogain;
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struct v4l2_ctrl *exposure;
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struct v4l2_ctrl *gain;
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};
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struct v4l2_ctrl *jpegqual;
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struct work_struct work;
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struct workqueue_struct *work_thread;
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@ -167,175 +171,6 @@ static const struct dmi_system_id flip_dmi_table[] = {
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{}
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};
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static void set_cmatrix(struct gspca_dev *gspca_dev);
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static void set_gamma(struct gspca_dev *gspca_dev);
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static void set_redblue(struct gspca_dev *gspca_dev);
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static void set_hvflip(struct gspca_dev *gspca_dev);
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static void set_exposure(struct gspca_dev *gspca_dev);
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static void set_gain(struct gspca_dev *gspca_dev);
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static void set_quality(struct gspca_dev *gspca_dev);
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static const struct ctrl sd_ctrls[NCTRLS] = {
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[BRIGHTNESS] = {
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{
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.id = V4L2_CID_BRIGHTNESS,
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.type = V4L2_CTRL_TYPE_INTEGER,
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.name = "Brightness",
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.minimum = 0,
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.maximum = 0xff,
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.step = 1,
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.default_value = 0x7f
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},
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.set_control = set_cmatrix
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},
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[CONTRAST] = {
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{
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.id = V4L2_CID_CONTRAST,
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.type = V4L2_CTRL_TYPE_INTEGER,
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.name = "Contrast",
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.minimum = 0,
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.maximum = 0xff,
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.step = 1,
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.default_value = 0x7f
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},
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.set_control = set_cmatrix
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},
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[SATURATION] = {
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{
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.id = V4L2_CID_SATURATION,
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.type = V4L2_CTRL_TYPE_INTEGER,
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.name = "Saturation",
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.minimum = 0,
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.maximum = 0xff,
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.step = 1,
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.default_value = 0x7f
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},
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.set_control = set_cmatrix
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},
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[HUE] = {
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{
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.id = V4L2_CID_HUE,
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.type = V4L2_CTRL_TYPE_INTEGER,
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.name = "Hue",
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.minimum = -180,
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.maximum = 180,
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.step = 1,
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.default_value = 0
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},
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.set_control = set_cmatrix
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},
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[GAMMA] = {
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{
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.id = V4L2_CID_GAMMA,
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.type = V4L2_CTRL_TYPE_INTEGER,
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.name = "Gamma",
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.minimum = 0,
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.maximum = 0xff,
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.step = 1,
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.default_value = 0x10
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},
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.set_control = set_gamma
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},
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[BLUE] = {
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{
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.id = V4L2_CID_BLUE_BALANCE,
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.type = V4L2_CTRL_TYPE_INTEGER,
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.name = "Blue Balance",
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.minimum = 0,
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.maximum = 0x7f,
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.step = 1,
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.default_value = 0x28
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},
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.set_control = set_redblue
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},
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[RED] = {
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{
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.id = V4L2_CID_RED_BALANCE,
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.type = V4L2_CTRL_TYPE_INTEGER,
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.name = "Red Balance",
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.minimum = 0,
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.maximum = 0x7f,
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.step = 1,
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.default_value = 0x28
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},
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.set_control = set_redblue
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},
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[HFLIP] = {
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{
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.id = V4L2_CID_HFLIP,
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.type = V4L2_CTRL_TYPE_BOOLEAN,
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.name = "Horizontal Flip",
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.minimum = 0,
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.maximum = 1,
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.step = 1,
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.default_value = 0,
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},
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.set_control = set_hvflip
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},
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[VFLIP] = {
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{
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.id = V4L2_CID_VFLIP,
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.type = V4L2_CTRL_TYPE_BOOLEAN,
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.name = "Vertical Flip",
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.minimum = 0,
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.maximum = 1,
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.step = 1,
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.default_value = 0,
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},
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.set_control = set_hvflip
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},
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[EXPOSURE] = {
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{
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.id = V4L2_CID_EXPOSURE,
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.type = V4L2_CTRL_TYPE_INTEGER,
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.name = "Exposure",
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.minimum = 0,
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.maximum = 0x1780,
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.step = 1,
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.default_value = 0x33,
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},
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.set_control = set_exposure
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},
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[GAIN] = {
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{
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.id = V4L2_CID_GAIN,
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.type = V4L2_CTRL_TYPE_INTEGER,
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.name = "Gain",
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.minimum = 0,
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.maximum = 28,
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.step = 1,
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.default_value = 0,
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},
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.set_control = set_gain
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},
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[AUTOGAIN] = {
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{
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.id = V4L2_CID_AUTOGAIN,
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.type = V4L2_CTRL_TYPE_BOOLEAN,
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.name = "Auto Exposure",
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.minimum = 0,
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.maximum = 1,
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.step = 1,
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.default_value = 1,
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},
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},
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[QUALITY] = {
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{
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.id = V4L2_CID_JPEG_COMPRESSION_QUALITY,
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.type = V4L2_CTRL_TYPE_INTEGER,
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.name = "Compression Quality",
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#define QUALITY_MIN 50
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#define QUALITY_MAX 90
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#define QUALITY_DEF 80
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.minimum = QUALITY_MIN,
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.maximum = QUALITY_MAX,
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.step = 1,
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.default_value = QUALITY_DEF,
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},
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.set_control = set_quality
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},
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};
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static const struct v4l2_pix_format vga_mode[] = {
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{160, 120, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE,
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.bytesperline = 160,
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@ -1296,8 +1131,6 @@ static void ov9655_init_sensor(struct gspca_dev *gspca_dev)
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if (gspca_dev->usb_err < 0)
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pr_err("OV9655 sensor initialization failed\n");
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/* disable hflip and vflip */
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gspca_dev->ctrl_dis = (1 << HFLIP) | (1 << VFLIP);
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sd->hstart = 1;
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sd->vstart = 2;
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}
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@ -1312,9 +1145,6 @@ static void soi968_init_sensor(struct gspca_dev *gspca_dev)
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if (gspca_dev->usb_err < 0)
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pr_err("SOI968 sensor initialization failed\n");
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/* disable hflip and vflip */
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gspca_dev->ctrl_dis = (1 << HFLIP) | (1 << VFLIP)
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| (1 << EXPOSURE);
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sd->hstart = 60;
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sd->vstart = 11;
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}
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@ -1342,8 +1172,6 @@ static void ov7670_init_sensor(struct gspca_dev *gspca_dev)
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if (gspca_dev->usb_err < 0)
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pr_err("OV7670 sensor initialization failed\n");
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/* disable hflip and vflip */
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gspca_dev->ctrl_dis = (1 << HFLIP) | (1 << VFLIP);
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sd->hstart = 0;
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sd->vstart = 1;
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}
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@ -1380,9 +1208,6 @@ static void mt9v_init_sensor(struct gspca_dev *gspca_dev)
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pr_err("MT9V111 sensor initialization failed\n");
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return;
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}
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gspca_dev->ctrl_dis = (1 << EXPOSURE)
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| (1 << AUTOGAIN)
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| (1 << GAIN);
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sd->hstart = 2;
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sd->vstart = 2;
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sd->sensor = SENSOR_MT9V111;
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@ -1424,8 +1249,6 @@ static void mt9m112_init_sensor(struct gspca_dev *gspca_dev)
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if (gspca_dev->usb_err < 0)
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pr_err("MT9M112 sensor initialization failed\n");
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gspca_dev->ctrl_dis = (1 << EXPOSURE) | (1 << AUTOGAIN)
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| (1 << GAIN);
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sd->hstart = 0;
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sd->vstart = 2;
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}
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@ -1438,8 +1261,6 @@ static void mt9m111_init_sensor(struct gspca_dev *gspca_dev)
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if (gspca_dev->usb_err < 0)
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pr_err("MT9M111 sensor initialization failed\n");
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gspca_dev->ctrl_dis = (1 << EXPOSURE) | (1 << AUTOGAIN)
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| (1 << GAIN);
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sd->hstart = 0;
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sd->vstart = 2;
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}
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@ -1472,8 +1293,6 @@ static void mt9m001_init_sensor(struct gspca_dev *gspca_dev)
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if (gspca_dev->usb_err < 0)
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pr_err("MT9M001 sensor initialization failed\n");
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/* disable hflip and vflip */
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gspca_dev->ctrl_dis = (1 << HFLIP) | (1 << VFLIP);
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sd->hstart = 1;
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sd->vstart = 1;
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}
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@ -1490,20 +1309,18 @@ static void hv7131r_init_sensor(struct gspca_dev *gspca_dev)
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sd->vstart = 1;
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}
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static void set_cmatrix(struct gspca_dev *gspca_dev)
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static void set_cmatrix(struct gspca_dev *gspca_dev,
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s32 brightness, s32 contrast, s32 satur, s32 hue)
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{
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struct sd *sd = (struct sd *) gspca_dev;
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int satur;
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s32 hue_coord, hue_index = 180 + sd->ctrls[HUE].val;
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s32 hue_coord, hue_index = 180 + hue;
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u8 cmatrix[21];
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memset(cmatrix, 0, sizeof cmatrix);
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cmatrix[2] = (sd->ctrls[CONTRAST].val * 0x25 / 0x100) + 0x26;
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cmatrix[2] = (contrast * 0x25 / 0x100) + 0x26;
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cmatrix[0] = 0x13 + (cmatrix[2] - 0x26) * 0x13 / 0x25;
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cmatrix[4] = 0x07 + (cmatrix[2] - 0x26) * 0x07 / 0x25;
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cmatrix[18] = sd->ctrls[BRIGHTNESS].val - 0x80;
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cmatrix[18] = brightness - 0x80;
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satur = sd->ctrls[SATURATION].val;
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hue_coord = (hsv_red_x[hue_index] * satur) >> 8;
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cmatrix[6] = hue_coord;
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cmatrix[7] = (hue_coord >> 8) & 0x0f;
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reg_w(gspca_dev, 0x10e1, cmatrix, 21);
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}
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static void set_gamma(struct gspca_dev *gspca_dev)
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static void set_gamma(struct gspca_dev *gspca_dev, s32 val)
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{
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struct sd *sd = (struct sd *) gspca_dev;
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u8 gamma[17];
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u8 gval = sd->ctrls[GAMMA].val * 0xb8 / 0x100;
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u8 gval = val * 0xb8 / 0x100;
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gamma[0] = 0x0a;
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gamma[1] = 0x13 + (gval * (0xcb - 0x13) / 0xb8);
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@ -1558,26 +1374,21 @@ static void set_gamma(struct gspca_dev *gspca_dev)
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reg_w(gspca_dev, 0x1190, gamma, 17);
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}
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static void set_redblue(struct gspca_dev *gspca_dev)
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static void set_redblue(struct gspca_dev *gspca_dev, s32 blue, s32 red)
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{
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struct sd *sd = (struct sd *) gspca_dev;
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reg_w1(gspca_dev, 0x118c, sd->ctrls[RED].val);
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reg_w1(gspca_dev, 0x118f, sd->ctrls[BLUE].val);
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reg_w1(gspca_dev, 0x118c, red);
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reg_w1(gspca_dev, 0x118f, blue);
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}
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static void set_hvflip(struct gspca_dev *gspca_dev)
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static void set_hvflip(struct gspca_dev *gspca_dev, s32 hflip, s32 vflip)
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{
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u8 value, tslb, hflip, vflip;
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u8 value, tslb;
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u16 value2;
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struct sd *sd = (struct sd *) gspca_dev;
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if ((sd->flags & FLIP_DETECT) && dmi_check_system(flip_dmi_table)) {
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hflip = !sd->ctrls[HFLIP].val;
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vflip = !sd->ctrls[VFLIP].val;
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} else {
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hflip = sd->ctrls[HFLIP].val;
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vflip = sd->ctrls[VFLIP].val;
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hflip = !hflip;
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vflip = !vflip;
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}
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switch (sd->sensor) {
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@ -1640,17 +1451,16 @@ static void set_hvflip(struct gspca_dev *gspca_dev)
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}
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}
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static void set_exposure(struct gspca_dev *gspca_dev)
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static void set_exposure(struct gspca_dev *gspca_dev, s32 expo)
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{
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struct sd *sd = (struct sd *) gspca_dev;
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u8 exp[8] = {sd->i2c_intf, sd->i2c_addr,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x10};
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int expo, expo2;
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int expo2;
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if (gspca_dev->streaming)
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exp[7] = 0x1e;
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expo = sd->ctrls[EXPOSURE].val;
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switch (sd->sensor) {
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case SENSOR_OV7660:
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case SENSOR_OV7670:
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@ -1697,17 +1507,15 @@ static void set_exposure(struct gspca_dev *gspca_dev)
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i2c_w(gspca_dev, exp);
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}
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static void set_gain(struct gspca_dev *gspca_dev)
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static void set_gain(struct gspca_dev *gspca_dev, s32 g)
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{
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struct sd *sd = (struct sd *) gspca_dev;
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u8 gain[8] = {sd->i2c_intf, sd->i2c_addr,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x10};
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int g;
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if (gspca_dev->streaming)
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gain[7] = 0x15; /* or 1d ? */
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g = sd->ctrls[GAIN].val;
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switch (sd->sensor) {
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case SENSOR_OV7660:
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case SENSOR_OV7670:
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@ -1746,11 +1554,11 @@ static void set_gain(struct gspca_dev *gspca_dev)
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i2c_w(gspca_dev, gain);
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}
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static void set_quality(struct gspca_dev *gspca_dev)
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static void set_quality(struct gspca_dev *gspca_dev, s32 val)
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{
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struct sd *sd = (struct sd *) gspca_dev;
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jpeg_set_qual(sd->jpeg_hdr, sd->ctrls[QUALITY].val);
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jpeg_set_qual(sd->jpeg_hdr, val);
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reg_w1(gspca_dev, 0x1061, 0x01); /* stop transfer */
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reg_w1(gspca_dev, 0x10e0, sd->fmt | 0x20); /* write QTAB */
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reg_w(gspca_dev, 0x1100, &sd->jpeg_hdr[JPEG_QT0_OFFSET], 64);
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@ -1879,13 +1687,132 @@ static int sd_config(struct gspca_dev *gspca_dev,
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sd->older_step = 0;
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sd->exposure_step = 16;
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gspca_dev->cam.ctrls = sd->ctrls;
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INIT_WORK(&sd->work, qual_upd);
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return 0;
|
||||
}
|
||||
|
||||
static int sd_s_ctrl(struct v4l2_ctrl *ctrl)
|
||||
{
|
||||
struct sd *sd = container_of(ctrl->handler, struct sd, ctrl_handler);
|
||||
struct gspca_dev *gspca_dev = &sd->gspca_dev;
|
||||
|
||||
gspca_dev->usb_err = 0;
|
||||
|
||||
if (!gspca_dev->streaming)
|
||||
return 0;
|
||||
|
||||
switch (ctrl->id) {
|
||||
/* color control cluster */
|
||||
case V4L2_CID_BRIGHTNESS:
|
||||
set_cmatrix(&sd->gspca_dev, sd->brightness->val,
|
||||
sd->contrast->val, sd->saturation->val, sd->hue->val);
|
||||
break;
|
||||
case V4L2_CID_GAMMA:
|
||||
set_gamma(&sd->gspca_dev, ctrl->val);
|
||||
break;
|
||||
/* blue/red balance cluster */
|
||||
case V4L2_CID_BLUE_BALANCE:
|
||||
set_redblue(&sd->gspca_dev, sd->blue->val, sd->red->val);
|
||||
break;
|
||||
/* h/vflip cluster */
|
||||
case V4L2_CID_HFLIP:
|
||||
set_hvflip(&sd->gspca_dev, sd->hflip->val, sd->vflip->val);
|
||||
break;
|
||||
/* standalone exposure control */
|
||||
case V4L2_CID_EXPOSURE:
|
||||
set_exposure(&sd->gspca_dev, ctrl->val);
|
||||
break;
|
||||
/* standalone gain control */
|
||||
case V4L2_CID_GAIN:
|
||||
set_gain(&sd->gspca_dev, ctrl->val);
|
||||
break;
|
||||
/* autogain + exposure or gain control cluster */
|
||||
case V4L2_CID_AUTOGAIN:
|
||||
if (sd->sensor == SENSOR_SOI968)
|
||||
set_gain(&sd->gspca_dev, sd->gain->val);
|
||||
else
|
||||
set_exposure(&sd->gspca_dev, sd->exposure->val);
|
||||
break;
|
||||
case V4L2_CID_JPEG_COMPRESSION_QUALITY:
|
||||
set_quality(&sd->gspca_dev, ctrl->val);
|
||||
break;
|
||||
}
|
||||
return gspca_dev->usb_err;
|
||||
}
|
||||
|
||||
static const struct v4l2_ctrl_ops sd_ctrl_ops = {
|
||||
.s_ctrl = sd_s_ctrl,
|
||||
};
|
||||
|
||||
static int sd_init_controls(struct gspca_dev *gspca_dev)
|
||||
{
|
||||
struct sd *sd = (struct sd *) gspca_dev;
|
||||
struct v4l2_ctrl_handler *hdl = &sd->ctrl_handler;
|
||||
|
||||
gspca_dev->vdev.ctrl_handler = hdl;
|
||||
v4l2_ctrl_handler_init(hdl, 13);
|
||||
|
||||
sd->brightness = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
|
||||
V4L2_CID_BRIGHTNESS, 0, 255, 1, 127);
|
||||
sd->contrast = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
|
||||
V4L2_CID_CONTRAST, 0, 255, 1, 127);
|
||||
sd->saturation = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
|
||||
V4L2_CID_SATURATION, 0, 255, 1, 127);
|
||||
sd->hue = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
|
||||
V4L2_CID_HUE, -180, 180, 1, 0);
|
||||
v4l2_ctrl_cluster(4, &sd->brightness);
|
||||
|
||||
sd->gamma = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
|
||||
V4L2_CID_GAMMA, 0, 255, 1, 0x10);
|
||||
|
||||
sd->blue = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
|
||||
V4L2_CID_BLUE_BALANCE, 0, 127, 1, 0x28);
|
||||
sd->red = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
|
||||
V4L2_CID_RED_BALANCE, 0, 127, 1, 0x28);
|
||||
v4l2_ctrl_cluster(2, &sd->blue);
|
||||
|
||||
if (sd->sensor != SENSOR_OV9655 && sd->sensor != SENSOR_SOI968 &&
|
||||
sd->sensor != SENSOR_OV7670 && sd->sensor != SENSOR_MT9M001 &&
|
||||
sd->sensor != SENSOR_MT9VPRB) {
|
||||
sd->hflip = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
|
||||
V4L2_CID_HFLIP, 0, 1, 1, 0);
|
||||
sd->vflip = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
|
||||
V4L2_CID_VFLIP, 0, 1, 1, 0);
|
||||
v4l2_ctrl_cluster(2, &sd->hflip);
|
||||
}
|
||||
|
||||
if (sd->sensor != SENSOR_SOI968 && sd->sensor != SENSOR_MT9VPRB &&
|
||||
sd->sensor != SENSOR_MT9M112 && sd->sensor != SENSOR_MT9M111 &&
|
||||
sd->sensor != SENSOR_MT9V111)
|
||||
sd->exposure = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
|
||||
V4L2_CID_EXPOSURE, 0, 0x1780, 1, 0x33);
|
||||
|
||||
if (sd->sensor != SENSOR_MT9VPRB && sd->sensor != SENSOR_MT9M112 &&
|
||||
sd->sensor != SENSOR_MT9M111 && sd->sensor != SENSOR_MT9V111) {
|
||||
sd->gain = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
|
||||
V4L2_CID_GAIN, 0, 28, 1, 0);
|
||||
sd->autogain = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
|
||||
V4L2_CID_AUTOGAIN, 0, 1, 1, 1);
|
||||
if (sd->sensor == SENSOR_SOI968)
|
||||
/* this sensor doesn't have the exposure control and
|
||||
autogain is clustered with gain instead. This works
|
||||
because sd->exposure == NULL. */
|
||||
v4l2_ctrl_auto_cluster(3, &sd->autogain, 0, false);
|
||||
else
|
||||
/* Otherwise autogain is clustered with exposure. */
|
||||
v4l2_ctrl_auto_cluster(2, &sd->autogain, 0, false);
|
||||
}
|
||||
|
||||
sd->jpegqual = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
|
||||
V4L2_CID_JPEG_COMPRESSION_QUALITY, 50, 90, 1, 80);
|
||||
if (hdl->error) {
|
||||
pr_err("Could not initialize controls\n");
|
||||
return hdl->error;
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int sd_init(struct gspca_dev *gspca_dev)
|
||||
{
|
||||
struct sd *sd = (struct sd *) gspca_dev;
|
||||
|
@ -1978,7 +1905,6 @@ static int sd_init(struct gspca_dev *gspca_dev)
|
|||
pr_err("Unsupported sensor\n");
|
||||
gspca_dev->usb_err = -ENODEV;
|
||||
}
|
||||
|
||||
return gspca_dev->usb_err;
|
||||
}
|
||||
|
||||
|
@ -2096,7 +2022,7 @@ static int sd_start(struct gspca_dev *gspca_dev)
|
|||
|
||||
jpeg_define(sd->jpeg_hdr, height, width,
|
||||
0x21);
|
||||
jpeg_set_qual(sd->jpeg_hdr, sd->ctrls[QUALITY].val);
|
||||
jpeg_set_qual(sd->jpeg_hdr, v4l2_ctrl_g_ctrl(sd->jpegqual));
|
||||
|
||||
if (mode & MODE_RAW)
|
||||
fmt = 0x2d;
|
||||
|
@ -2133,12 +2059,17 @@ static int sd_start(struct gspca_dev *gspca_dev)
|
|||
reg_w1(gspca_dev, 0x1189, scale);
|
||||
reg_w1(gspca_dev, 0x10e0, fmt);
|
||||
|
||||
set_cmatrix(gspca_dev);
|
||||
set_gamma(gspca_dev);
|
||||
set_redblue(gspca_dev);
|
||||
set_gain(gspca_dev);
|
||||
set_exposure(gspca_dev);
|
||||
set_hvflip(gspca_dev);
|
||||
set_cmatrix(gspca_dev, v4l2_ctrl_g_ctrl(sd->brightness),
|
||||
v4l2_ctrl_g_ctrl(sd->contrast),
|
||||
v4l2_ctrl_g_ctrl(sd->saturation),
|
||||
v4l2_ctrl_g_ctrl(sd->hue));
|
||||
set_gamma(gspca_dev, v4l2_ctrl_g_ctrl(sd->gamma));
|
||||
set_redblue(gspca_dev, v4l2_ctrl_g_ctrl(sd->blue),
|
||||
v4l2_ctrl_g_ctrl(sd->red));
|
||||
set_gain(gspca_dev, v4l2_ctrl_g_ctrl(sd->gain));
|
||||
set_exposure(gspca_dev, v4l2_ctrl_g_ctrl(sd->exposure));
|
||||
set_hvflip(gspca_dev, v4l2_ctrl_g_ctrl(sd->hflip),
|
||||
v4l2_ctrl_g_ctrl(sd->vflip));
|
||||
|
||||
reg_w1(gspca_dev, 0x1007, 0x20);
|
||||
reg_w1(gspca_dev, 0x1061, 0x03);
|
||||
|
@ -2177,6 +2108,9 @@ static void sd_stop0(struct gspca_dev *gspca_dev)
|
|||
static void do_autoexposure(struct gspca_dev *gspca_dev, u16 avg_lum)
|
||||
{
|
||||
struct sd *sd = (struct sd *) gspca_dev;
|
||||
s32 cur_exp = v4l2_ctrl_g_ctrl(sd->exposure);
|
||||
s32 max = sd->exposure->maximum - sd->exposure_step;
|
||||
s32 min = sd->exposure->minimum + sd->exposure_step;
|
||||
s16 new_exp;
|
||||
|
||||
/*
|
||||
|
@ -2185,16 +2119,15 @@ static void do_autoexposure(struct gspca_dev *gspca_dev, u16 avg_lum)
|
|||
* and exposure steps
|
||||
*/
|
||||
if (avg_lum < MIN_AVG_LUM) {
|
||||
if (sd->ctrls[EXPOSURE].val > 0x1770)
|
||||
if (cur_exp > max)
|
||||
return;
|
||||
|
||||
new_exp = sd->ctrls[EXPOSURE].val + sd->exposure_step;
|
||||
if (new_exp > 0x1770)
|
||||
new_exp = 0x1770;
|
||||
if (new_exp < 0x10)
|
||||
new_exp = 0x10;
|
||||
sd->ctrls[EXPOSURE].val = new_exp;
|
||||
set_exposure(gspca_dev);
|
||||
new_exp = cur_exp + sd->exposure_step;
|
||||
if (new_exp > max)
|
||||
new_exp = max;
|
||||
if (new_exp < min)
|
||||
new_exp = min;
|
||||
v4l2_ctrl_s_ctrl(sd->exposure, new_exp);
|
||||
|
||||
sd->older_step = sd->old_step;
|
||||
sd->old_step = 1;
|
||||
|
@ -2205,15 +2138,14 @@ static void do_autoexposure(struct gspca_dev *gspca_dev, u16 avg_lum)
|
|||
sd->exposure_step += 2;
|
||||
}
|
||||
if (avg_lum > MAX_AVG_LUM) {
|
||||
if (sd->ctrls[EXPOSURE].val < 0x10)
|
||||
if (cur_exp < min)
|
||||
return;
|
||||
new_exp = sd->ctrls[EXPOSURE].val - sd->exposure_step;
|
||||
if (new_exp > 0x1700)
|
||||
new_exp = 0x1770;
|
||||
if (new_exp < 0x10)
|
||||
new_exp = 0x10;
|
||||
sd->ctrls[EXPOSURE].val = new_exp;
|
||||
set_exposure(gspca_dev);
|
||||
new_exp = cur_exp - sd->exposure_step;
|
||||
if (new_exp > max)
|
||||
new_exp = max;
|
||||
if (new_exp < min)
|
||||
new_exp = min;
|
||||
v4l2_ctrl_s_ctrl(sd->exposure, new_exp);
|
||||
sd->older_step = sd->old_step;
|
||||
sd->old_step = 0;
|
||||
|
||||
|
@ -2227,19 +2159,12 @@ static void do_autoexposure(struct gspca_dev *gspca_dev, u16 avg_lum)
|
|||
static void do_autogain(struct gspca_dev *gspca_dev, u16 avg_lum)
|
||||
{
|
||||
struct sd *sd = (struct sd *) gspca_dev;
|
||||
s32 cur_gain = v4l2_ctrl_g_ctrl(sd->gain);
|
||||
|
||||
if (avg_lum < MIN_AVG_LUM) {
|
||||
if (sd->ctrls[GAIN].val + 1 <= 28) {
|
||||
sd->ctrls[GAIN].val++;
|
||||
set_gain(gspca_dev);
|
||||
}
|
||||
}
|
||||
if (avg_lum > MAX_AVG_LUM) {
|
||||
if (sd->ctrls[GAIN].val > 0) {
|
||||
sd->ctrls[GAIN].val--;
|
||||
set_gain(gspca_dev);
|
||||
}
|
||||
}
|
||||
if (avg_lum < MIN_AVG_LUM && cur_gain < sd->gain->maximum)
|
||||
v4l2_ctrl_s_ctrl(sd->gain, cur_gain + 1);
|
||||
if (avg_lum > MAX_AVG_LUM && cur_gain > sd->gain->minimum)
|
||||
v4l2_ctrl_s_ctrl(sd->gain, cur_gain - 1);
|
||||
}
|
||||
|
||||
static void sd_dqcallback(struct gspca_dev *gspca_dev)
|
||||
|
@ -2247,7 +2172,7 @@ static void sd_dqcallback(struct gspca_dev *gspca_dev)
|
|||
struct sd *sd = (struct sd *) gspca_dev;
|
||||
int avg_lum;
|
||||
|
||||
if (!sd->ctrls[AUTOGAIN].val)
|
||||
if (!v4l2_ctrl_g_ctrl(sd->autogain))
|
||||
return;
|
||||
|
||||
avg_lum = atomic_read(&sd->avg_lum);
|
||||
|
@ -2263,10 +2188,11 @@ static void qual_upd(struct work_struct *work)
|
|||
{
|
||||
struct sd *sd = container_of(work, struct sd, work);
|
||||
struct gspca_dev *gspca_dev = &sd->gspca_dev;
|
||||
s32 qual = v4l2_ctrl_g_ctrl(sd->jpegqual);
|
||||
|
||||
mutex_lock(&gspca_dev->usb_lock);
|
||||
PDEBUG(D_STREAM, "qual_upd %d%%", sd->ctrls[QUALITY].val);
|
||||
set_quality(gspca_dev);
|
||||
PDEBUG(D_STREAM, "qual_upd %d%%", qual);
|
||||
set_quality(gspca_dev, qual);
|
||||
mutex_unlock(&gspca_dev->usb_lock);
|
||||
}
|
||||
|
||||
|
@ -2315,14 +2241,18 @@ static void transfer_check(struct gspca_dev *gspca_dev,
|
|||
if (new_qual != 0) {
|
||||
sd->nchg += new_qual;
|
||||
if (sd->nchg < -6 || sd->nchg >= 12) {
|
||||
/* Note: we are in interrupt context, so we can't
|
||||
use v4l2_ctrl_g/s_ctrl here. Access the value
|
||||
directly instead. */
|
||||
s32 curqual = sd->jpegqual->cur.val;
|
||||
sd->nchg = 0;
|
||||
new_qual += sd->ctrls[QUALITY].val;
|
||||
if (new_qual < QUALITY_MIN)
|
||||
new_qual = QUALITY_MIN;
|
||||
else if (new_qual > QUALITY_MAX)
|
||||
new_qual = QUALITY_MAX;
|
||||
if (new_qual != sd->ctrls[QUALITY].val) {
|
||||
sd->ctrls[QUALITY].val = new_qual;
|
||||
new_qual += curqual;
|
||||
if (new_qual < sd->jpegqual->minimum)
|
||||
new_qual = sd->jpegqual->minimum;
|
||||
else if (new_qual > sd->jpegqual->maximum)
|
||||
new_qual = sd->jpegqual->maximum;
|
||||
if (new_qual != curqual) {
|
||||
sd->jpegqual->cur.val = new_qual;
|
||||
queue_work(sd->work_thread, &sd->work);
|
||||
}
|
||||
}
|
||||
|
@ -2402,10 +2332,9 @@ static void sd_pkt_scan(struct gspca_dev *gspca_dev,
|
|||
/* sub-driver description */
|
||||
static const struct sd_desc sd_desc = {
|
||||
.name = KBUILD_MODNAME,
|
||||
.ctrls = sd_ctrls,
|
||||
.nctrls = ARRAY_SIZE(sd_ctrls),
|
||||
.config = sd_config,
|
||||
.init = sd_init,
|
||||
.init_controls = sd_init_controls,
|
||||
.isoc_init = sd_isoc_init,
|
||||
.start = sd_start,
|
||||
.stopN = sd_stopN,
|
||||
|
|
Loading…
Reference in a new issue