diff options
| author | Hans de Goede <hdegoede@redhat.com> | 2012-07-02 15:29:56 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2012-07-30 18:41:06 -0300 |
| commit | a8931d5948cdd55f899f107c61f375d34a580304 (patch) | |
| tree | f04260cc2e13c4aaf499492279d0b3e6e6fea264 /drivers/media/video/gspca | |
| parent | 9a3dafe43125e88a8a365a1fe81fdd8df0eb5eee (diff) | |
[media] gscpa_spca561: Add brightness control for rev12a cams
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/video/gspca')
| -rw-r--r-- | drivers/media/video/gspca/spca561.c | 19 |
1 files changed, 13 insertions, 6 deletions
diff --git a/drivers/media/video/gspca/spca561.c b/drivers/media/video/gspca/spca561.c index 7ea5e9112b2..cfe71dd6747 100644 --- a/drivers/media/video/gspca/spca561.c +++ b/drivers/media/video/gspca/spca561.c @@ -463,16 +463,21 @@ static int sd_init_72a(struct gspca_dev *gspca_dev) return 0; } -/* rev 72a only */ static void setbrightness(struct gspca_dev *gspca_dev, s32 val) { + struct sd *sd = (struct sd *) gspca_dev; struct usb_device *dev = gspca_dev->dev; + __u16 reg; - /* offsets for white balance */ - reg_w_val(dev, 0x8611, val); /* R */ - reg_w_val(dev, 0x8612, val); /* Gr */ - reg_w_val(dev, 0x8613, val); /* B */ - reg_w_val(dev, 0x8614, val); /* Gb */ + if (sd->chip_revision == Rev012A) + reg = 0x8610; + else + reg = 0x8611; + + reg_w_val(dev, reg + 0, val); /* R */ + reg_w_val(dev, reg + 1, val); /* Gr */ + reg_w_val(dev, reg + 2, val); /* B */ + reg_w_val(dev, reg + 3, val); /* Gb */ } static void setwhite(struct gspca_dev *gspca_dev, s32 white, s32 contrast) @@ -815,6 +820,8 @@ static int sd_init_controls_12a(struct gspca_dev *gspca_dev) v4l2_ctrl_new_std(hdl, &sd_ctrl_ops, V4L2_CID_HUE, 1, 0x7f, 1, 0x40); v4l2_ctrl_new_std(hdl, &sd_ctrl_ops, + V4L2_CID_BRIGHTNESS, -128, 127, 1, 0); + v4l2_ctrl_new_std(hdl, &sd_ctrl_ops, V4L2_CID_EXPOSURE, 1, EXPOSURE_MAX, 1, 700); v4l2_ctrl_new_std(hdl, &sd_ctrl_ops, V4L2_CID_GAIN, 0, 255, 1, 63); |