Re: [alsa-devel] [PATCH] ASoC: WM8580: Debug BCLK and sample size

On Tue, 2010-12-07 at 19:23 +0900, Jassi Brar wrote:

In case of SNDRV_PCM_FORMAT_S32_LE, we need to set WM8580_AIF_LENGTH_32, rather than WM8580_AIF_LENGTH_24. Also, the BCLK has to be 64fs, for sample size of 20, 24 and 32 bits.

Signed-off-by: Jassi Brar jassi.brar@samsung.com

sound/soc/codecs/wm8580.c | 8 ++++---- 1 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/sound/soc/codecs/wm8580.c b/sound/soc/codecs/wm8580.c index cb7765f..45efc94 100644 --- a/sound/soc/codecs/wm8580.c +++ b/sound/soc/codecs/wm8580.c @@ -491,16 +491,16 @@ static int wm8580_paif_hw_params(struct snd_pcm_substream *substream, paifa |= 0x8; break; case SNDRV_PCM_FORMAT_S20_3LE:

• paifa |= 0x10;
  

• paifa |= 0x0;
  

Any reason why we are OR ing paifa with 0 ?

paifb |= WM8580_AIF_LENGTH_20;
break;

case SNDRV_PCM_FORMAT_S24_LE:

• paifa |= 0x10;
  

• paifa |= 0x0;
  

  paifb |= WM8580_AIF_LENGTH_24; break; case SNDRV_PCM_FORMAT_S32_LE:

• paifa |= 0x10;
  

• paifb |= WM8580_AIF_LENGTH_24;
  

• paifa |= 0x0;
  

• paifb |= WM8580_AIF_LENGTH_32;
  

  break; default: return -EINVAL;

Thanks

Liam