system/linux
system/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux synced 2024-09-21 11:38:48 +00:00
Code Issues Packages Projects Releases Wiki Activity

V4L/DVB (4002): Adjust VBI offset to match value reported in VBI format

Browse source 
The actual offset of the start of VBI data is incorrectly documented for both
the cx2388x and bt8x8.  For the cx2388x, it appears to be about 220 to 224 +
VBI_V_DEL*2.  The driver has been incorrectly reporting an offset of 244.
This patch adjusts VBI_V_DEL to 10, so that the offset of 244 is correct.
This is the same offset as the bttv driver, and expected by some software.

Signed-off-by: Trent Piepho <xyzzy@speakeasy.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
This commit is contained in:
Trent Piepho 2006-05-23 23:54:44 -03:00 committed by Mauro Carvalho Chehab
parent 419ac5d466
commit 3eb7317055
1 changed files with 3 additions and 3 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

6
drivers/media/video/cx88/cx88-core.c
View file

@ -932,9 +932,9 @@ int cx88_set_tvnorm(struct cx88_core *core, struct cx88_tvnorm *norm)
htotal, cx_read(MO_HTOTAL), (u32)tmp64);
cx_write(MO_HTOTAL, htotal);
// vbi stuff
cx_write(MO_VBI_PACKET, ((1 << 11) | /* (norm_vdelay(norm) << 11) | */
norm_vbipack(norm)));
// vbi stuff, set vbi offset to 10 (for 20 Clk*2 pixels), this makes
// the effective vbi offset ~244 samples, the same as the Bt8x8
cx_write(MO_VBI_PACKET, (10<<11) | norm_vbipack(norm));
// this is needed as well to set all tvnorm parameter
cx88_set_scale(core, 320, 240, V4L2_FIELD_INTERLACED);