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V4L/DVB (8713): gspca: Bad color control again in sonixj.

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Signed-off-by: Jean-Francois Moine <moinejf@free.fr>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Jean-Francois Moine 2008-09-03 16:48:04 -03:00 committed by Mauro Carvalho Chehab
parent 759aa3c21e
commit 9c5f70f248
1 changed files with 11 additions and 10 deletions
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21
drivers/media/video/gspca/sonixj.c
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@ -108,9 +108,9 @@ static struct ctrl sd_ctrls[] = {
.type = V4L2_CTRL_TYPE_INTEGER,
.name = "Color",
.minimum = 0,
.maximum = 255,
.maximum = 64,
.step = 1,
#define COLOR_DEF 127
#define COLOR_DEF 32
.default_value = COLOR_DEF,
},
.set = sd_setcolors,
@ -1132,17 +1132,18 @@ static void setcontrast(struct gspca_dev *gspca_dev)
static void setcolors(struct gspca_dev *gspca_dev)
{
struct sd *sd = (struct sd *) gspca_dev;
__u8 data;
int colour;
__u8 blue, red;
colour = sd->colors - 128;
if (colour > 0) {
data = (colour + 32) & 0x7f; /* blue */
reg_w1(gspca_dev, 0x06, data);
if (sd->colors >= 32) {
red = 32 + (sd->colors - 32) / 2;
blue = 64 - sd->colors;
} else {
data = (-colour + 32) & 0x7f; /* red */
reg_w1(gspca_dev, 0x05, data);
red = sd->colors;
blue = 32 + (32 - sd->colors) / 2;
}
reg_w1(gspca_dev, 0x05, red);
/* reg_w1(gspca_dev, 0x07, 32); */
reg_w1(gspca_dev, 0x06, blue);
}
static void setautogain(struct gspca_dev *gspca_dev)