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[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>
This commit is contained in:
Martin Bugge 2014-02-07 05:11:05 -03:00 коммит произвёл Mauro Carvalho Chehab
Родитель 00b9f51e1f
Коммит 2dfb1c939c
1 изменённых файлов: 10 добавлений и 10 удалений
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20
drivers/media/i2c/ths8200.c
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@ -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) {