diff options
| author | Martin Bugge <marbugge@cisco.com> | 2014-02-07 05:11:05 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <m.chehab@samsung.com> | 2014-02-28 14:29:05 -0300 |
| commit | 2dfb1c939cf7fa03aaa36e7c7da02dd105c6b273 (patch) | |
| tree | 7de10815e6e3ba50655a9624cb39da9673d8e542 /drivers/media/i2c/ths8200.c | |
| parent | 00b9f51e1fda8a10ad6f52656722ee618e6a431d (diff) | |
| download | linux-2dfb1c939cf7fa03aaa36e7c7da02dd105c6b273.tar.bz2 | |
[media] ths8200: Format adjustment
Closer inspection on exact transmitted format showed that
we needed to add 1 on vertical sync.
Acked-by: Lad, Prabhakar <prabhakar.csengg@gmail.com>
Signed-off-by: Martin Bugge <marbugge@cisco.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Diffstat (limited to 'drivers/media/i2c/ths8200.c')
| -rw-r--r-- | drivers/media/i2c/ths8200.c | 20 |
1 files changed, 10 insertions, 10 deletions
diff --git a/drivers/media/i2c/ths8200.c b/drivers/media/i2c/ths8200.c index bcacf52357ed..f72561e79739 100644 --- a/drivers/media/i2c/ths8200.c +++ b/drivers/media/i2c/ths8200.c @@ -318,15 +318,15 @@ static void ths8200_setup(struct v4l2_subdev *sd, struct v4l2_bt_timings *bt) (htotal(bt) >> 8) & 0x1f); ths8200_write(sd, THS8200_DTG2_HLENGTH_HDLY_LSB, htotal(bt)); - /* v sync width transmitted */ - ths8200_write(sd, THS8200_DTG2_VLENGTH1_LSB, (bt->vsync) & 0xff); + /* v sync width transmitted (must add 1 to get correct output) */ + ths8200_write(sd, THS8200_DTG2_VLENGTH1_LSB, (bt->vsync + 1) & 0xff); ths8200_write_and_or(sd, THS8200_DTG2_VLENGTH1_MSB_VDLY1_MSB, 0x3f, - ((bt->vsync) >> 2) & 0xc0); + ((bt->vsync + 1) >> 2) & 0xc0); - /* The pixel value v sync is asserted on */ + /* The pixel value v sync is asserted on (must add 1 to get correct output) */ ths8200_write_and_or(sd, THS8200_DTG2_VLENGTH1_MSB_VDLY1_MSB, 0xf8, - (vtotal(bt)>>8) & 0x7); - ths8200_write(sd, THS8200_DTG2_VDLY1_LSB, vtotal(bt)); + ((vtotal(bt) + 1) >> 8) & 0x7); + ths8200_write(sd, THS8200_DTG2_VDLY1_LSB, vtotal(bt) + 1); /* For progressive video vlength2 must be set to all 0 and vdly2 must * be set to all 1. @@ -336,11 +336,11 @@ static void ths8200_setup(struct v4l2_subdev *sd, struct v4l2_bt_timings *bt) ths8200_write(sd, THS8200_DTG2_VDLY2_LSB, 0xff); /* Internal delay factors to synchronize the sync pulses and the data */ - /* Experimental values delays (hor 4, ver 1) */ - ths8200_write(sd, THS8200_DTG2_HS_IN_DLY_MSB, (htotal(bt)>>8) & 0x1f); - ths8200_write(sd, THS8200_DTG2_HS_IN_DLY_LSB, (htotal(bt) - 4) & 0xff); + /* Experimental values delays (hor 0, ver 0) */ + ths8200_write(sd, THS8200_DTG2_HS_IN_DLY_MSB, 0); + ths8200_write(sd, THS8200_DTG2_HS_IN_DLY_LSB, 0); ths8200_write(sd, THS8200_DTG2_VS_IN_DLY_MSB, 0); - ths8200_write(sd, THS8200_DTG2_VS_IN_DLY_LSB, 1); + ths8200_write(sd, THS8200_DTG2_VS_IN_DLY_LSB, 0); /* Polarity of received and transmitted sync signals */ if (bt->polarities & V4L2_DV_HSYNC_POS_POL) { |