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Subject[Patch 17/20] V4L(919) Improves the audio handling for nicam on cx88 audio
Date
From: Torsten Seeboth <Torsten.Seeboth@t-online.de>

- 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>

-----------------

drivers/media/video/cx88/cx88-tvaudio.c | 8 ++++++--
1 files changed, 6 insertions(+), 2 deletions(-)

--- hg.orig/drivers/media/video/cx88/cx88-tvaudio.c
+++ hg/drivers/media/video/cx88/cx88-tvaudio.c
@@ -123,7 +123,9 @@ static void set_audio_start(struct cx88_
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

/* 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(str
{ /* 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 *

/* 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);





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