asgardius/android_kernel_motorola_sm6225
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

[media] gspca - ov519: Fix sensor detection problems

Browse source 
The sensor of some webcams could not be detected due to timing problems
in sensor register reading. This patch adds bridge register readings
before sensor register reading.

Signed-off-by: Jean-François Moine <moinejf@free.fr>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Jean-François Moine 2011-07-03 05:17:27 -03:00 committed by Mauro Carvalho Chehab
parent 686a9488cd
commit b877a9a7fb
1 changed files with 3 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

3
drivers/media/video/gspca/ov519.c
View file

@ -2432,9 +2432,12 @@ static int ov518_i2c_r(struct sd *sd, u8 reg)
/* Initiate 2-byte write cycle */
reg_w(sd, R518_I2C_CTL, 0x03);
reg_r8(sd, R518_I2C_CTL);
/* Initiate 2-byte read cycle */
reg_w(sd, R518_I2C_CTL, 0x05);
reg_r8(sd, R518_I2C_CTL);
value = reg_r(sd, R51x_I2C_DATA);
PDEBUG(D_USBI, "ov518_i2c_r %02x %02x", reg, value);
return value;