diff options
Diffstat (limited to 'linux/drivers/media/video/gspca/mars.c')
| -rw-r--r-- | linux/drivers/media/video/gspca/mars.c | 23 |
1 files changed, 13 insertions, 10 deletions
diff --git a/linux/drivers/media/video/gspca/mars.c b/linux/drivers/media/video/gspca/mars.c index c5a19b5bc..5d54893eb 100644 --- a/linux/drivers/media/video/gspca/mars.c +++ b/linux/drivers/media/video/gspca/mars.c @@ -69,10 +69,10 @@ static struct ctrl sd_ctrls[] = { .id = V4L2_CID_SATURATION, .type = V4L2_CTRL_TYPE_INTEGER, .name = "Color", - .minimum = 0, - .maximum = 220, + .minimum = 1, + .maximum = 255, .step = 1, -#define COLOR_DEF 190 +#define COLOR_DEF 200 .default_value = COLOR_DEF, }, .set = sd_setcolors, @@ -191,7 +191,7 @@ static int sd_start(struct gspca_dev *gspca_dev) struct sd *sd = (struct sd *) gspca_dev; int err_code; u8 *data; - int i, val; + int i; data = gspca_dev->usb_buf; @@ -253,9 +253,11 @@ static int sd_start(struct gspca_dev *gspca_dev) data[1] = 0; /* reg 94, Y Gain (auto) */ #if 1 /*jfm: from win trace*/ - val = sd->colors * 0x40 + 0x400; - data[2] = val; /* reg 0x5f/0x60 (LE) = saturation */ - data[3] = val >> 8; + /* reg 0x5f/0x60 (LE) = saturation */ + /* h (60): xxxx x100 + * l (5f): xxxx x000 */ + data[2] = sd->colors << 3; + data[3] = ((sd->colors >> 2) & 0xf8) | 0x04; data[4] = sd->brightness; /* reg 0x61 = brightness */ data[5] = 0x00; #else @@ -403,10 +405,11 @@ static int sd_setcolors(struct gspca_dev *gspca_dev, __s32 val) sd->colors = val; if (gspca_dev->streaming) { - val = val * 0x40 + 0x400; + + /* see sd_start */ gspca_dev->usb_buf[0] = 0x5f; - gspca_dev->usb_buf[1] = val; - gspca_dev->usb_buf[2] = val >> 8; + gspca_dev->usb_buf[1] = sd->colors << 3; + gspca_dev->usb_buf[2] = ((sd->colors >> 2) & 0xf8) | 0x04; reg_w(gspca_dev, 3); } return 0; |