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V4L/DVB (11425): gspca - m5602: Move the vflip quirk to probe stage.

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The vflip quirk is better checked at probe time as it's only needed once.
Also add an extra reset at init time to resolve a suspend to ram regression.

Signed-off-by: Erik Andr?n <erik.andren@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Erik Andr?n 2009-01-04 04:52:50 -03:00 committed by Mauro Carvalho Chehab
parent be63b722a5
commit 7460f52498
2 changed files with 46 additions and 21 deletions
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63
drivers/media/video/gspca/m5602/m5602_ov9650.c
View file

@ -65,7 +65,7 @@ static
DMI_MATCH(DMI_PRODUCT_NAME, "Aurora m9700")
}
},
{ }
{}
};
const static struct ctrl ov9650_ctrls[] = {
@ -249,7 +249,7 @@ int ov9650_probe(struct sd *sd)
info("Probing for an ov9650 sensor");
/* Run the pre-init to actually probe the unit */
/* Run the pre-init before probing the sensor */
for (i = 0; i < ARRAY_SIZE(preinit_ov9650) && !err; i++) {
u8 data = preinit_ov9650[i][2];
if (preinit_ov9650[i][0] == SENSOR)
@ -273,11 +273,9 @@ int ov9650_probe(struct sd *sd)
info("Detected an ov9650 sensor");
goto sensor_found;
}
return -ENODEV;
sensor_found:
sensor_settings = kmalloc(
ARRAY_SIZE(ov9650_ctrls) * sizeof(s32), GFP_KERNEL);
if (!sensor_settings)
@ -292,6 +290,11 @@ sensor_found:
sensor_settings[i] = ov9650_ctrls[i].qctrl.default_value;
sd->sensor_priv = sensor_settings;
if (dmi_check_system(ov9650_flip_dmi_table) && !err) {
info("vflip quirk active");
sensor_settings[VFLIP_IDX] = 1;
}
return 0;
}
@ -299,6 +302,7 @@ int ov9650_init(struct sd *sd)
{
int i, err = 0;
u8 data;
s32 *sensor_settings = sd->sensor_priv;
if (dump_sensor)
ov9650_dump_registers(sd);
@ -312,11 +316,35 @@ int ov9650_init(struct sd *sd)
err = m5602_write_bridge(sd, init_ov9650[i][1], data);
}
if (dmi_check_system(ov9650_flip_dmi_table) && !err) {
info("vflip quirk active");
data = 0x30;
err = m5602_write_sensor(sd, OV9650_MVFP, &data, 1);
}
err = ov9650_set_exposure(&sd->gspca_dev, sensor_settings[EXPOSURE_IDX]);
if (err < 0)
return err;
err = ov9650_set_gain(&sd->gspca_dev, sensor_settings[GAIN_IDX]);
if (err < 0)
return err;
err = ov9650_set_red_balance(&sd->gspca_dev, sensor_settings[RED_BALANCE_IDX]);
if (err < 0)
return err;
err = ov9650_set_blue_balance(&sd->gspca_dev, sensor_settings[BLUE_BALANCE_IDX]);
if (err < 0)
return err;
err = ov9650_set_hflip(&sd->gspca_dev, sensor_settings[HFLIP_IDX]);
if (err < 0)
return err;
err = ov9650_set_vflip(&sd->gspca_dev, sensor_settings[VFLIP_IDX]);
if (err < 0)
return err;
err = ov9650_set_auto_white_balance(&sd->gspca_dev, sensor_settings[AUTO_WHITE_BALANCE_IDX]);
if (err < 0)
return err;
err = ov9650_set_auto_gain(&sd->gspca_dev, sensor_settings[AUTO_GAIN_CTRL_IDX]);
return err;
}
@ -339,6 +367,9 @@ int ov9650_start(struct sd *sd)
if (width <= 320)
hor_offs /= 2;
if (err < 0)
return err;
/* Synthesize the vsync/hsync setup */
for (i = 0; i < ARRAY_SIZE(res_init_ov9650) && !err; i++) {
if (res_init_ov9650[i][0] == BRIDGE)
@ -635,12 +666,7 @@ int ov9650_set_hflip(struct gspca_dev *gspca_dev, __s32 val)
if (err < 0)
return err;
if (dmi_check_system(ov9650_flip_dmi_table))
i2c_data = ((i2c_data & 0xdf) |
(((val ? 0 : 1) & 0x01) << 5));
else
i2c_data = ((i2c_data & 0xdf) |
((val & 0x01) << 5));
i2c_data = ((i2c_data & 0xdf) | ((val & 0x01) << 5));
err = m5602_write_sensor(sd, OV9650_MVFP, &i2c_data, 1);
@ -672,12 +698,7 @@ int ov9650_set_vflip(struct gspca_dev *gspca_dev, __s32 val)
if (err < 0)
return err;
if (dmi_check_system(ov9650_flip_dmi_table))
i2c_data = ((i2c_data & 0xef) |
(((val ? 0 : 1) & 0x01) << 4));
else
i2c_data = ((i2c_data & 0xef) |
((val & 0x01) << 4));
i2c_data = ((i2c_data & 0xef) | ((val & 0x01) << 4));
err = m5602_write_sensor(sd, OV9650_MVFP, &i2c_data, 1);

4
drivers/media/video/gspca/m5602/m5602_ov9650.h
View file

@ -218,6 +218,10 @@ static const unsigned char init_ov9650[][3] =
/* Reset chip */
{SENSOR, OV9650_COM7, OV9650_REGISTER_RESET},
/* One extra reset is needed in order to make the sensor behave
properly when resuming from ram */
{SENSOR, OV9650_COM7, OV9650_REGISTER_RESET},
/* Enable double clock */
{SENSOR, OV9650_CLKRC, 0x80},
/* Do something out of spec with the power */