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V4L/DVB (14000): gspca_ov519: ov764x remove setting of AEC limits

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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>
This commit is contained in:
Hans de Goede 2010-01-09 19:45:44 -03:00 committed by Mauro Carvalho Chehab
parent d02134ddb6
commit 8d0082fa3f
1 changed files with 4 additions and 6 deletions
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10
drivers/media/video/gspca/ov519.c
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@ -3689,14 +3689,12 @@ static int mode_init_ov_sensor_regs(struct sd *sd)
case SEN_OV7648: case SEN_OV7648:
i2c_w_mask(sd, 0x14, qvga ? 0x20 : 0x00, 0x20); i2c_w_mask(sd, 0x14, qvga ? 0x20 : 0x00, 0x20);
i2c_w_mask(sd, 0x28, qvga ? 0x00 : 0x20, 0x20); i2c_w_mask(sd, 0x28, qvga ? 0x00 : 0x20, 0x20);
/* The following 5 lines where commented out before with a /* Setting this undocumented bit in qvga mode removes a very
comment wondering if they did anything. This was because annoying vertical shaking of the image */
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);
i2c_w_mask(sd, 0x2d, qvga ? 0x40 : 0x00, 0x40); i2c_w_mask(sd, 0x2d, qvga ? 0x40 : 0x00, 0x40);
/* Unknown */
i2c_w_mask(sd, 0x67, qvga ? 0xf0 : 0x90, 0xf0); 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, 0x74, qvga ? 0x20 : 0x00, 0x20);
i2c_w_mask(sd, 0x12, 0x04, 0x04); /* AWB: 1 */ i2c_w_mask(sd, 0x12, 0x04, 0x04); /* AWB: 1 */
break; break;