aboutsummaryrefslogtreecommitdiff
path: root/drivers
diff options
context:
space:
mode:
Diffstat (limited to 'drivers')
-rw-r--r--drivers/media/video/gspca/sonixj.c73
1 files changed, 12 insertions, 61 deletions
diff --git a/drivers/media/video/gspca/sonixj.c b/drivers/media/video/gspca/sonixj.c
index df84bf9f227..34f7f58e527 100644
--- a/drivers/media/video/gspca/sonixj.c
+++ b/drivers/media/video/gspca/sonixj.c
@@ -1123,25 +1123,6 @@ static unsigned int setexposure(struct gspca_dev *gspca_dev,
return expo;
}
-/* this function is used for sensors o76xx only */
-static void setbrightcont(struct gspca_dev *gspca_dev)
-{
- struct sd *sd = (struct sd *) gspca_dev;
- int val;
- __u8 reg84_full[0x15];
-
- memcpy(reg84_full, reg84, sizeof reg84_full);
- val = sd->contrast * 0x30 / CONTRAST_MAX + 0x10; /* 10..40 */
- reg84_full[0] = (val + 1) / 2; /* red */
- reg84_full[2] = val; /* green */
- reg84_full[4] = (val + 1) / 5; /* blue */
- val = (sd->brightness - BRIGHTNESS_DEF) * 0x10
- / BRIGHTNESS_MAX;
- reg84_full[0x12] = val & 0x1f; /* 5:0 signed value */
- reg_w(gspca_dev, 0x84, reg84_full, sizeof reg84_full);
-}
-
-/* sensor != ov76xx */
static void setbrightness(struct gspca_dev *gspca_dev)
{
struct sd *sd = (struct sd *) gspca_dev;
@@ -1166,24 +1147,23 @@ static void setbrightness(struct gspca_dev *gspca_dev)
case SENSOR_OM6802:
expo = sd->brightness >> 6;
sd->exposure = setexposure(gspca_dev, expo);
- k2 = sd->brightness >> 11;
+ k2 >>= 1;
break;
}
- reg_w1(gspca_dev, 0x96, k2);
+ reg_w1(gspca_dev, 0x96, k2); /* color matrix Y offset */
}
-/* sensor != ov76xx */
static void setcontrast(struct gspca_dev *gspca_dev)
{
struct sd *sd = (struct sd *) gspca_dev;
__u8 k2;
__u8 contrast[] = { 0x00, 0x00, 0x28, 0x00, 0x07, 0x00 };
- k2 = sd->contrast;
- contrast[2] = k2;
- contrast[0] = (k2 + 1) >> 1;
- contrast[4] = (k2 + 1) / 5;
+ k2 = sd->contrast * 0x30 / (CONTRAST_MAX + 1) + 0x10; /* 10..40 */
+ contrast[0] = (k2 + 1) / 2; /* red */
+ contrast[2] = k2; /* green */
+ contrast[4] = (k2 + 1) / 5; /* blue */
reg_w(gspca_dev, 0x84, contrast, 6);
}
@@ -1392,20 +1372,13 @@ static int sd_start(struct gspca_dev *gspca_dev)
switch (sd->sensor) {
case SENSOR_MI0360:
setinfrared(sd);
- /* fall thru */
- case SENSOR_HV7131R:
- case SENSOR_MO4000:
- case SENSOR_OM6802:
- setbrightness(gspca_dev);
- setcontrast(gspca_dev);
break;
case SENSOR_OV7630:
setvflip(sd);
- /* fall thru */
- default: /* OV76xx */
- setbrightcont(gspca_dev);
break;
}
+ setbrightness(gspca_dev);
+ setcontrast(gspca_dev);
setautogain(gspca_dev);
return 0;
}
@@ -1543,19 +1516,8 @@ static int sd_setbrightness(struct gspca_dev *gspca_dev, __s32 val)
struct sd *sd = (struct sd *) gspca_dev;
sd->brightness = val;
- if (gspca_dev->streaming) {
- switch (sd->sensor) {
- case SENSOR_HV7131R:
- case SENSOR_MI0360:
- case SENSOR_MO4000:
- case SENSOR_OM6802:
- setbrightness(gspca_dev);
- break;
- default: /* OV76xx */
- setbrightcont(gspca_dev);
- break;
- }
- }
+ if (gspca_dev->streaming)
+ setbrightness(gspca_dev);
return 0;
}
@@ -1572,19 +1534,8 @@ static int sd_setcontrast(struct gspca_dev *gspca_dev, __s32 val)
struct sd *sd = (struct sd *) gspca_dev;
sd->contrast = val;
- if (gspca_dev->streaming) {
- switch (sd->sensor) {
- case SENSOR_HV7131R:
- case SENSOR_MI0360:
- case SENSOR_MO4000:
- case SENSOR_OM6802:
- setcontrast(gspca_dev);
- break;
- default: /* OV76xx */
- setbrightcont(gspca_dev);
- break;
- }
- }
+ if (gspca_dev->streaming)
+ setcontrast(gspca_dev);
return 0;
}