[media] gspca - sonixj: Adjust the contrast control
The contrast was too low. Higher values are better.
Signed-off-by: Jean-François Moine <moinejf@free.fr>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
diff --git a/drivers/media/video/gspca/sonixj.c b/drivers/media/video/gspca/sonixj.c
index f3cfb97..7ab0c1a 100644
--- a/drivers/media/video/gspca/sonixj.c
+++ b/drivers/media/video/gspca/sonixj.c
@@ -159,7 +159,7 @@
#define CONTRAST_MAX 127
.maximum = CONTRAST_MAX,
.step = 1,
- .default_value = 63,
+ .default_value = 20,
},
.set_control = setcontrast
},
@@ -2021,13 +2021,13 @@
u8 k2;
u8 contrast[6];
- k2 = sd->ctrls[CONTRAST].val * 0x30 / (CONTRAST_MAX + 1)
- + 0x10; /* 10..40 */
+ k2 = sd->ctrls[CONTRAST].val * 37 / (CONTRAST_MAX + 1)
+ + 37; /* 37..73 */
contrast[0] = (k2 + 1) / 2; /* red */
contrast[1] = 0;
contrast[2] = k2; /* green */
contrast[3] = 0;
- contrast[4] = (k2 + 1) / 5; /* blue */
+ contrast[4] = k2 / 5; /* blue */
contrast[5] = 0;
reg_w(gspca_dev, 0x84, contrast, sizeof contrast);
}