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yaml
---
r: 104025
b: refs/heads/master
c: ad5ef80
h: refs/heads/master
i:
  104023: 86018a0
v: v3
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Hans de Goede authored and Mauro Carvalho Chehab committed Jul 20, 2008
1 parent 0d4fddf commit 7131d6e
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Showing 2 changed files with 14 additions and 18 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: 4b972d29bbccc86877221164c7f39d52694d4a81
refs/heads/master: ad5ef80dd79851ea683e2d30ca4ebdc0c043a675
30 changes: 13 additions & 17 deletions trunk/drivers/media/video/gspca/sonixb.c
Original file line number Diff line number Diff line change
Expand Up @@ -39,8 +39,8 @@ struct sd {
sensor, so we use a per cam copy */
atomic_t avg_lum;

unsigned short gain;
unsigned short exposure;
unsigned char gain;
unsigned char exposure;
unsigned char brightness;
unsigned char autogain;
unsigned char autogain_ignore_frames;
Expand Down Expand Up @@ -73,7 +73,7 @@ struct sd {
ignore atleast the 2 next frames for the new settings to come into effect
before doing any other adjustments */
#define AUTOGAIN_IGNORE_FRAMES 3
#define AUTOGAIN_DEADZONE 500
#define AUTOGAIN_DEADZONE 1000
#define DESIRED_AVG_LUM 7000

/* V4L2 controls supported by the driver */
Expand Down Expand Up @@ -107,10 +107,10 @@ static struct ctrl sd_ctrls[] = {
.type = V4L2_CTRL_TYPE_INTEGER,
.name = "Gain",
.minimum = 0,
.maximum = 511,
.maximum = 255,
.step = 1,
#define GAIN_DEF 255
#define GAIN_KNEE 400
#define GAIN_DEF 127
#define GAIN_KNEE 200
.default_value = GAIN_DEF,
},
.set = sd_setgain,
Expand All @@ -122,9 +122,9 @@ static struct ctrl sd_ctrls[] = {
.type = V4L2_CTRL_TYPE_INTEGER,
.name = "Exposure",
#define EXPOSURE_DEF 0
#define EXPOSURE_KNEE 353 /* 10 fps */
#define EXPOSURE_KNEE 176 /* 10 fps */
.minimum = 0,
.maximum = 511,
.maximum = 255,
.step = 1,
.default_value = EXPOSURE_DEF,
.flags = 0,
Expand Down Expand Up @@ -563,26 +563,22 @@ static void setbrightness(struct gspca_dev *gspca_dev)
static void setsensorgain(struct gspca_dev *gspca_dev)
{
struct sd *sd = (struct sd *) gspca_dev;
unsigned short gain;

gain = (sd->gain + 1) >> 1;
if (gain > 255)
gain = 255;

switch (sd->sensor) {

case SENSOR_TAS5110: {
__u8 i2c[] =
{0x30, 0x11, 0x02, 0x20, 0x70, 0x00, 0x00, 0x10};

i2c[4] = 255 - gain;
i2c[4] = 255 - sd->gain;
if (i2c_w(gspca_dev, i2c) < 0)
goto err;
break;
}
case SENSOR_OV6650: {
__u8 i2c[] = {0xa0, 0x60, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10};
i2c[3] = gain;

i2c[3] = sd->gain >> 3;
if (i2c_w(gspca_dev, i2c) < 0)
goto err;
break;
Expand All @@ -599,7 +595,7 @@ static void setgain(struct gspca_dev *gspca_dev)
__u8 gain;
__u8 rgb_value;

gain = sd->gain >> 5;
gain = sd->gain >> 4;

/* red and blue gain */
rgb_value = gain << 4 | gain;
Expand All @@ -616,7 +612,7 @@ static void setexposure(struct gspca_dev *gspca_dev)
{
struct sd *sd = (struct sd *) gspca_dev;
/* translate 0 - 255 to a number of fps in a 30 - 1 scale */
int fps = 30 - sd->exposure * 29 / 511;
int fps = 30 - sd->exposure * 29 / 255;

switch (sd->sensor) {
case SENSOR_TAS5110: {
Expand Down

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