Techwizz/kernel-fxtec-pro1x
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity

ASoC: tlv320dac33: BCLK divider fix

Browse source 
The BCLK divider was not configured in case of mode7.
This leads to unpredictable behavior when switching between FIFO modes.
Configure the BCLK divider depending on the fifo_mode (FIFO is in use,
or FIFO bypass).

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@nokia.com>
Acked-by: Liam Girdwood <lrg@slimlogic.co.uk>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
This commit is contained in:
Peter Ujfalusi 2010-01-20 09:39:35 +02:00 committed by Mark Brown
parent 84740ac19a
commit 6cd6cede8c
1 changed files with 6 additions and 5 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

11
sound/soc/codecs/tlv320dac33.c
View file

@ -845,11 +845,14 @@ static int dac33_prepare_chip(struct snd_pcm_substream *substream)
dac33_write(codec, DAC33_SER_AUDIOIF_CTRL_A, aictrl_a);
dac33_write(codec, DAC33_SER_AUDIOIF_CTRL_B, aictrl_b);
/* BCLK divide ratio */
if (dac33->fifo_mode)
dac33_write(codec, DAC33_SER_AUDIOIF_CTRL_C, 3);
else
dac33_write(codec, DAC33_SER_AUDIOIF_CTRL_C, 32);
switch (dac33->fifo_mode) {
case DAC33_FIFO_MODE1:
/* 20: BCLK divide ratio */
dac33_write(codec, DAC33_SER_AUDIOIF_CTRL_C, 3);
dac33_write16(codec, DAC33_ATHR_MSB,
DAC33_THRREG(dac33->alarm_threshold));
break;
@ -864,8 +867,6 @@ static int dac33_prepare_chip(struct snd_pcm_substream *substream)
DAC33_THRREG(10));
break;
default:
/* BYPASS mode */
dac33_write(codec, DAC33_SER_AUDIOIF_CTRL_C, 32);
break;
}