leandrof/linux
1
0
Fork 0
forked from Minki/linux
Code Issues Pull Requests Packages Projects Releases Wiki Activity

[media] gspca - sonixj: Adjust autogain for sensor mt9v111

Browse Source 
The gain/expo adjustment was too long.

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 2011-02-10 07:49:32 -03:00 committed by Mauro Carvalho Chehab
parent 804632201f
commit 222036765c
1 changed files with 9 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

15
drivers/media/video/gspca/sonixj.c
View File

@ -1939,10 +1939,10 @@ static u32 setexposure(struct gspca_dev *gspca_dev,
u8 expo_c1[] =
{ 0xb1, 0x5c, 0x09, 0x00, 0x00, 0x00, 0x00, 0x10 };
if (expo > 0x0280)
expo = 0x0280;
else if (expo < 0x0040)
expo = 0x0040;
if (expo > 0x0390)
expo = 0x0390;
else if (expo < 0x0060)
expo = 0x0060;
expo_c1[3] = expo >> 8;
expo_c1[4] = expo;
i2c_w8(gspca_dev, expo_c1);
@ -1999,10 +1999,13 @@ static void setbrightness(struct gspca_dev *gspca_dev)
sd->exposure = setexposure(gspca_dev, expo);
break;
case SENSOR_GC0307:
case SENSOR_MT9V111:
expo = brightness;
sd->exposure = setexposure(gspca_dev, expo);
return; /* don't set the Y offset */
case SENSOR_MT9V111:
expo = brightness << 2;
sd->exposure = setexposure(gspca_dev, expo);
return; /* don't set the Y offset */
case SENSOR_OM6802:
expo = brightness << 2;
sd->exposure = setexposure(gspca_dev, expo);
@ -2750,6 +2753,7 @@ static void do_autogain(struct gspca_dev *gspca_dev)
(unsigned int) (expotimes << 8));
break;
case SENSOR_OM6802:
case SENSOR_MT9V111:
expotimes = sd->exposure;
expotimes += (luma_mean - delta) >> 2;
if (expotimes < 0)
@ -2762,7 +2766,6 @@ static void do_autogain(struct gspca_dev *gspca_dev)
/* case SENSOR_MO4000: */
/* case SENSOR_MI0360: */
/* case SENSOR_MI0360B: */
/* case SENSOR_MT9V111: */
expotimes = sd->exposure;
expotimes += (luma_mean - delta) >> 6;
if (expotimes < 0)