diff options
| author | Jean-Francois Moine <moinejf@free.fr> | 2008-10-04 14:17:02 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2008-10-12 09:37:13 -0200 |
| commit | 803f9ccf50178af6cde7aec86db2d78db3d069e7 (patch) | |
| tree | 1ed7e298aba2026d89466a63239d1dc4a94e571e /drivers/media/video/gspca/sonixj.c | |
| parent | eeb00c604ad203a51a0b92e124bcc4f98ba7e2c0 (diff) | |
V4L/DVB (9097): gspca: Adjust control values and restore compilation of sonixj.
- no compilation since last changeset
- brightness is a signed value
- better values of the color matrix
[mchehab@redhat.com: fix a merge conflict]
Signed-off-by: Jean-Francois Moine <moinejf@free.fr>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/video/gspca/sonixj.c')
| -rw-r--r-- | drivers/media/video/gspca/sonixj.c | 27 |
1 files changed, 13 insertions, 14 deletions
diff --git a/drivers/media/video/gspca/sonixj.c b/drivers/media/video/gspca/sonixj.c index 03fe77d38cc..93b17340b7b 100644 --- a/drivers/media/video/gspca/sonixj.c +++ b/drivers/media/video/gspca/sonixj.c @@ -267,10 +267,12 @@ static const __u8 gamma_def[] = { 0xa6, 0xb2, 0xbf, 0xca, 0xd5, 0xe0, 0xeb, 0xf5, 0xff }; +/* color matrix and offsets */ static const __u8 reg84[] = { - 0x14, 0x00, 0x27, 0x00, 0x07, 0x00, 0xe5, 0x0f, - 0xe4, 0x0f, 0x38, 0x00, 0x3e, 0x00, 0xc3, 0x0f, - 0xf7, 0x0f, 0x00, 0x00, 0x00 + 0x14, 0x00, 0x27, 0x00, 0x07, 0x00, /* YR YG YB gains */ + 0xe8, 0x0f, 0xda, 0x0f, 0x40, 0x00, /* UR UG UB */ + 0x3e, 0x00, 0xcd, 0x0f, 0xf7, 0x0f, /* VR VG VB */ + 0x00, 0x00, 0x00 /* YUV offsets */ }; static const __u8 hv7131r_sensor_init[][8] = { {0xC1, 0x11, 0x01, 0x08, 0x01, 0x00, 0x00, 0x10}, @@ -1102,20 +1104,17 @@ static unsigned int setexposure(struct gspca_dev *gspca_dev, static void setbrightcont(struct gspca_dev *gspca_dev) { struct sd *sd = (struct sd *) gspca_dev; - unsigned val; + int val; __u8 reg84_full[0x15]; - memset(reg84_full, 0, sizeof reg84_full); - val = sd->contrast * 0x20 / CONTRAST_MAX + 0x10; /* 10..30 */ - reg84_full[2] = val; - reg84_full[0] = (val + 1) / 2; - reg84_full[4] = (val + 1) / 5; - if (val > BRIGHTNESS_DEF) - val = (sd->brightness - BRIGHTNESS_DEF) * 0x20 + 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; - else - val = 0; - reg84_full[0x12] = val; /* 00..1f */ + reg84_full[0x12] = val & 0x1f; /* 5:0 signed value */ reg_w(gspca_dev, 0x84, reg84_full, sizeof reg84_full); } |