mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-25 05:34:00 +08:00
V4L/DVB (9837): gspca: Simplify the brightness/contrast for ov76xx sensors in sonixj.
Signed-off-by: Jean-Francois Moine <moinejf@free.fr> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
parent
67ec09fdf5
commit
91bd3412a2
@ -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:
|
||||
if (gspca_dev->streaming)
|
||||
setbrightness(gspca_dev);
|
||||
break;
|
||||
default: /* OV76xx */
|
||||
setbrightcont(gspca_dev);
|
||||
break;
|
||||
}
|
||||
}
|
||||
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:
|
||||
if (gspca_dev->streaming)
|
||||
setcontrast(gspca_dev);
|
||||
break;
|
||||
default: /* OV76xx */
|
||||
setbrightcont(gspca_dev);
|
||||
break;
|
||||
}
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
Loading…
Reference in New Issue
Block a user