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| author | Jean-Francois Moine <moinejf@free.fr> | 2008-08-14 19:53:33 +0200 |
|---|---|---|
| committer | Jean-Francois Moine <moinejf@free.fr> | 2008-08-14 19:53:33 +0200 |
| commit | cad1a4391a036c6ae2a7b43fcd990560d0729ac8 (patch) | |
| tree | 8fc799ba0e959e6e373b60db038fca0814b4622b /linux/drivers | |
| parent | 57f9357fee29ada455f248e63cdb6b272fb670ce (diff) | |
| download | mediapointer-dvb-s2-cad1a4391a036c6ae2a7b43fcd990560d0729ac8.tar.gz mediapointer-dvb-s2-cad1a4391a036c6ae2a7b43fcd990560d0729ac8.tar.bz2 | |
gspca: Adjust some control limits in spca561.
From: Jean-Francois Moine <moinejf@free.fr>
Priority: high
Signed-off-by: Jean-Francois Moine <moinejf@free.fr>
Diffstat (limited to 'linux/drivers')
| -rw-r--r-- | linux/drivers/media/video/gspca/spca561.c | 35 |
1 files changed, 8 insertions, 27 deletions
diff --git a/linux/drivers/media/video/gspca/spca561.c b/linux/drivers/media/video/gspca/spca561.c index c1fb1d60b..86fc55bf9 100644 --- a/linux/drivers/media/video/gspca/spca561.c +++ b/linux/drivers/media/video/gspca/spca561.c @@ -38,9 +38,9 @@ struct sd { #define CONTRAST_MAX 0x3fff __u16 exposure; /* rev12a only */ -#define EXPOSURE_MIN 0x2001 -#define EXPOSURE_DEF 0x20ae -#define EXPOSURE_MAX 0x421d +#define EXPOSURE_MIN 0 +#define EXPOSURE_DEF 200 +#define EXPOSURE_MAX 762 __u8 brightness; /* rev72a only */ #define BRIGHTNESS_MIN 0 @@ -48,7 +48,7 @@ struct sd { #define BRIGHTNESS_MAX 63 __u8 white; /* rev12a only */ -#define WHITE_MIN 0 +#define WHITE_MIN 1 #define WHITE_DEF 0x40 #define WHITE_MAX 0x7f @@ -604,28 +604,11 @@ static void setcontrast(struct gspca_dev *gspca_dev) break; default: { /* case Rev012A: { */ -#if 1 static const __u8 Reg8391[] = { 0x92, 0x30, 0x20, 0x00, 0x0c, 0x00, 0x00, 0x00 }; reg_w_buf(gspca_dev, 0x8391, Reg8391, 8); reg_w_buf(gspca_dev, 0x8390, Reg8391, 8); -#else - int expotimes; - __u8 Reg8391[] = - { 0x00, 0x00, 0x00, 0x00, 0x0c, 0x00, 0x00, 0x00 }; - -/*fixme: does not work..*/ - /* Write camera sensor settings */ - expotimes = sd->contrast >> 5; - /* exposure is in 8309 2b, range 0120 - 5720 */ - Reg8391[0] = expotimes; /* exposure */ - Reg8391[1] = 0x18 | (expotimes >> 8); - Reg8391[2] = sd->brightness; /* gain */ - /* gain in 8335, 2b range 0000 - 2400 */ - reg_w_buf(gspca_dev, 0x8391, Reg8391, 8); - reg_w_buf(gspca_dev, 0x8390, Reg8391, 8); -#endif break; } } @@ -639,10 +622,6 @@ static void setwhite(struct gspca_dev *gspca_dev) __u8 reg8614, reg8616; white = sd->white; - if (sd->white == 0) { - PDEBUG(D_CONF, "Discarding null whiteness"); - return; - } /* try to emulate MS-win as possible */ reg8616 = 0x90 - white * 5 / 8; reg_w_val(gspca_dev->dev, 0x8616, reg8616); @@ -654,10 +633,12 @@ static void setwhite(struct gspca_dev *gspca_dev) static void setexposure(struct gspca_dev *gspca_dev) { struct sd *sd = (struct sd *) gspca_dev; + int expo; __u8 data[2]; - data[0] = sd->exposure; - data[1] = sd->exposure >> 8; + expo = sd->exposure + 0x20a8; /* from test */ + data[0] = expo; + data[1] = expo >> 8; reg_w_buf(gspca_dev, 0x8309, data, 2); } |