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authorHans de Goede <hdegoede@redhat.com>2010-01-09 19:45:44 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2010-02-26 15:10:40 -0300
commit8d0082fa3f3ac978075439e73b4a36ca0715e747 (patch)
tree35051fad00a016c59a45a3dfcc81ddaa05da65c5
parentd02134ddb6fc351ab25028bfb45a53d08a2bcfbf (diff)
V4L/DVB (14000): gspca_ov519: ov764x remove setting of AEC limits
ov764x remove setting of AEC limits, as the custom values cause AEC oscilation in 320x240. Signed-off-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
-rw-r--r--drivers/media/video/gspca/ov519.c10
1 files changed, 4 insertions, 6 deletions
diff --git a/drivers/media/video/gspca/ov519.c b/drivers/media/video/gspca/ov519.c
index f94f41eb222..541b8f0b0d3 100644
--- a/drivers/media/video/gspca/ov519.c
+++ b/drivers/media/video/gspca/ov519.c
@@ -3689,14 +3689,12 @@ static int mode_init_ov_sensor_regs(struct sd *sd)
case SEN_OV7648:
i2c_w_mask(sd, 0x14, qvga ? 0x20 : 0x00, 0x20);
i2c_w_mask(sd, 0x28, qvga ? 0x00 : 0x20, 0x20);
- /* The following 5 lines where commented out before with a
- comment wondering if they did anything. This was because
- the old driver did only 640x480, at 320x240 these 5 writes
- *significantly* improve the image quality. */
- i2c_w(sd, 0x24, qvga ? 0x20 : 0x3a);
- i2c_w(sd, 0x25, qvga ? 0x30 : 0x60);
+ /* Setting this undocumented bit in qvga mode removes a very
+ annoying vertical shaking of the image */
i2c_w_mask(sd, 0x2d, qvga ? 0x40 : 0x00, 0x40);
+ /* Unknown */
i2c_w_mask(sd, 0x67, qvga ? 0xf0 : 0x90, 0xf0);
+ /* Allow higher automatic gain (to allow higher framerates) */
i2c_w_mask(sd, 0x74, qvga ? 0x20 : 0x00, 0x20);
i2c_w_mask(sd, 0x12, 0x04, 0x04); /* AWB: 1 */
break;