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authorMauro Carvalho Chehab <mchehab@brturbo.com.br>2005-12-01 11:51:34 +0300
committerLinus Torvalds <torvalds@g5.osdl.org>2005-12-02 02:48:57 +0300
commit6f502b8a7858ecfa7d2a0762f7663b8b3d0808fc (patch)
treeb6f6ef7e9918324136eabb506c37f7b91bd647b2 /drivers/media/video/cx88/cx88-tvaudio.c
parentc87c948ebd75525df4d67dd5b40e6ea81859cc17 (diff)
downloadlinux-6f502b8a7858ecfa7d2a0762f7663b8b3d0808fc.tar.xz
[PATCH] V4L: Enables audio DMA setting on cx88 chips, even when dma not in use
- Enabled audio DMA transfer code even when DMA not in use to solve a problem on some broken cx88 chips. Signed-off-by: Mauro Carvalho Chehab <mchehab@brturbo.com.br> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'drivers/media/video/cx88/cx88-tvaudio.c')
-rw-r--r--drivers/media/video/cx88/cx88-tvaudio.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/media/video/cx88/cx88-tvaudio.c b/drivers/media/video/cx88/cx88-tvaudio.c
index a9059c53a418..a1b120c8a9b5 100644
--- a/drivers/media/video/cx88/cx88-tvaudio.c
+++ b/drivers/media/video/cx88/cx88-tvaudio.c
@@ -132,7 +132,10 @@ static void set_audio_finish(struct cx88_core *core, u32 ctl)
{
u32 volume;
+ /* restart dma; This avoids buzz in NICAM and is good in others */
+ cx88_stop_audio_dma(core);
cx_write(AUD_RATE_THRES_DMD, 0x000000C0);
+ cx88_start_audio_dma(core);
if (cx88_boards[core->board].blackbird) {
/* sets sound input from external adc */