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[PATCH] V4L: 919: improves the audio handling for nicam on cx88-audio 

Improves the audio handling for NICAM on cx88 audio.

Signed-off-by: Torsten Seeboth <Torsten.Seeboth@t-online.de>
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>
This commit is contained in:
Torsten Seeboth 2005-11-08 21:38:51 -08:00 committed by Linus Torvalds
parent 7bde80769d
commit 7f7e846ca5
1 changed files with 6 additions and 2 deletions
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8
drivers/media/video/cx88/cx88-tvaudio.c
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@ -123,7 +123,9 @@ static void set_audio_start(struct cx88_core *core, u32 mode)
cx_write(AUD_VOL_CTL, (1 << 6));
// start programming
cx_write(AUD_CTL, 0x0000);
cx_write(MO_AUD_DMACNTRL, 0x0000);
msleep(100);
//cx_write(AUD_CTL, 0x0000);
cx_write(AUD_INIT, mode);
cx_write(AUD_INIT_LD, 0x0001);
cx_write(AUD_SOFT_RESET, 0x0001);
@ -151,6 +153,7 @@ static void set_audio_finish(struct cx88_core *core, u32 ctl)
/* finish programming */
cx_write(AUD_SOFT_RESET, 0x0000);
cx_write(MO_AUD_DMACNTRL, 0x0003);
/* unmute */
volume = cx_sread(SHADOW_AUD_VOL_CTL);
@ -341,6 +344,7 @@ static void set_audio_standard_NICAM(struct cx88_core *core, u32 mode)
{ /* end of list */ },
};
set_audio_start(core,SEL_NICAM);
switch (core->tvaudio) {
case WW_L:
dprintk("%s SECAM-L NICAM (status: devel)\n", __FUNCTION__);
@ -740,7 +744,7 @@ void cx88_set_tvaudio(struct cx88_core *core)
/* set nicam mode - otherwise
AUD_NICAM_STATUS2 contains wrong values */
set_audio_standard_NICAM(core, EN_NICAM_FORCE_MONO1);
set_audio_standard_NICAM(core, EN_NICAM_AUTO_STEREO);
if (0 == cx88_detect_nicam(core)) {
/* fall back to fm / am mono */
set_audio_standard_A2(core, EN_A2_FORCE_MONO1);