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authorLinus Torvalds <torvalds@linux-foundation.org>2008-12-30 17:41:32 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2008-12-30 17:41:32 -0800
commitf54a6ec0fd85002d94d05b4bb679508eeb066683 (patch)
tree0f24dd66cce563d2c5e7656c2489e5b96eef31f9 /drivers/media/video/gspca/sonixb.c
parent5ed1836814d908f45cafde0e79cb85314ab9d41d (diff)
parent134179823b3ca9c8b98e0631906459dbb022ff9b (diff)
downloadop-kernel-dev-f54a6ec0fd85002d94d05b4bb679508eeb066683.zip
op-kernel-dev-f54a6ec0fd85002d94d05b4bb679508eeb066683.tar.gz
Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6
* 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6: (583 commits) V4L/DVB (10130): use USB API functions rather than constants V4L/DVB (10129): dvb: remove deprecated use of RW_LOCK_UNLOCKED in frontends V4L/DVB (10128): modify V4L documentation to be a valid XHTML V4L/DVB (10127): stv06xx: Avoid having y unitialized V4L/DVB (10125): em28xx: Don't do AC97 vendor detection for i2s audio devices V4L/DVB (10124): em28xx: expand output formats available V4L/DVB (10123): em28xx: fix reversed definitions of I2S audio modes V4L/DVB (10122): em28xx: don't load em28xx-alsa for em2870 based devices V4L/DVB (10121): em28xx: remove worthless Pinnacle PCTV HD Mini 80e device profile V4L/DVB (10120): em28xx: remove redundant Pinnacle Dazzle DVC 100 profile V4L/DVB (10119): em28xx: fix corrupted XCLK value V4L/DVB (10118): zoran: fix warning for a variable not used V4L/DVB (10116): af9013: Fix gcc false warnings V4L/DVB (10111a): usbvideo.h: remove an useless blank line V4L/DVB (10111): quickcam_messenger.c: fix a warning V4L/DVB (10110): v4l2-ioctl: Fix warnings when using .unlocked_ioctl = __video_ioctl2 V4L/DVB (10109): anysee: Fix usage of an unitialized function V4L/DVB (10104): uvcvideo: Add support for video output devices V4L/DVB (10102): uvcvideo: Ignore interrupt endpoint for built-in iSight webcams. V4L/DVB (10101): uvcvideo: Fix bulk URB processing when the header is erroneous ...
Diffstat (limited to 'drivers/media/video/gspca/sonixb.c')
-rw-r--r--drivers/media/video/gspca/sonixb.c25
1 files changed, 17 insertions, 8 deletions
diff --git a/drivers/media/video/gspca/sonixb.c b/drivers/media/video/gspca/sonixb.c
index 6c69bc7..b3e4e06 100644
--- a/drivers/media/video/gspca/sonixb.c
+++ b/drivers/media/video/gspca/sonixb.c
@@ -132,8 +132,6 @@ struct sensor_data {
ignore atleast the 2 next frames for the new settings to come into effect
before doing any other adjustments */
#define AUTOGAIN_IGNORE_FRAMES 3
-#define AUTOGAIN_DEADZONE 1000
-#define DESIRED_AVG_LUM 7000
/* V4L2 controls supported by the driver */
static int sd_setbrightness(struct gspca_dev *gspca_dev, __s32 val);
@@ -229,7 +227,7 @@ static struct ctrl sd_ctrls[] = {
},
};
-static struct v4l2_pix_format vga_mode[] = {
+static const struct v4l2_pix_format vga_mode[] = {
{160, 120, V4L2_PIX_FMT_SBGGR8, V4L2_FIELD_NONE,
.bytesperline = 160,
.sizeimage = 160 * 120,
@@ -251,7 +249,7 @@ static struct v4l2_pix_format vga_mode[] = {
.colorspace = V4L2_COLORSPACE_SRGB,
.priv = 0},
};
-static struct v4l2_pix_format sif_mode[] = {
+static const struct v4l2_pix_format sif_mode[] = {
{160, 120, V4L2_PIX_FMT_SBGGR8, V4L2_FIELD_NONE,
.bytesperline = 160,
.sizeimage = 160 * 120,
@@ -827,18 +825,29 @@ static void setfreq(struct gspca_dev *gspca_dev)
static void do_autogain(struct gspca_dev *gspca_dev)
{
+ int deadzone, desired_avg_lum;
struct sd *sd = (struct sd *) gspca_dev;
int avg_lum = atomic_read(&sd->avg_lum);
if (avg_lum == -1)
return;
+ /* SIF / VGA sensors have a different autoexposure area and thus
+ different avg_lum values for the same picture brightness */
+ if (sensor_data[sd->sensor].flags & F_SIF) {
+ deadzone = 1000;
+ desired_avg_lum = 7000;
+ } else {
+ deadzone = 3000;
+ desired_avg_lum = 23000;
+ }
+
if (sd->autogain_ignore_frames > 0)
sd->autogain_ignore_frames--;
else if (gspca_auto_gain_n_exposure(gspca_dev, avg_lum,
- sd->brightness * DESIRED_AVG_LUM / 127,
- AUTOGAIN_DEADZONE, GAIN_KNEE, EXPOSURE_KNEE)) {
- PDEBUG(D_FRAM, "autogain: gain changed: gain: %d expo: %d\n",
+ sd->brightness * desired_avg_lum / 127,
+ deadzone, GAIN_KNEE, EXPOSURE_KNEE)) {
+ PDEBUG(D_FRAM, "autogain: gain changed: gain: %d expo: %d",
(int)sd->gain, (int)sd->exposure);
sd->autogain_ignore_frames = AUTOGAIN_IGNORE_FRAMES;
}
@@ -1226,8 +1235,8 @@ static __devinitdata struct usb_device_id device_table[] = {
{USB_DEVICE(0x0c45, 0x6025), SB(TAS5130CXX, 102)},
{USB_DEVICE(0x0c45, 0x6028), SB(PAS202, 102)},
{USB_DEVICE(0x0c45, 0x6029), SB(PAS106, 102)},
- {USB_DEVICE(0x0c45, 0x602c), SB(OV7630, 102)},
#endif
+ {USB_DEVICE(0x0c45, 0x602c), SB(OV7630, 102)},
{USB_DEVICE(0x0c45, 0x602d), SB(HV7131R, 102)},
#if !defined CONFIG_USB_SN9C102 && !defined CONFIG_USB_SN9C102_MODULE
{USB_DEVICE(0x0c45, 0x602e), SB(OV7630, 102)},
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