ASoC: Implement BCLK rate selection for WM8580

Drive a minimal supported number of clocks required for the current
bit format in master mode. In slave mode this setting has no effect.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Liam Girdwood <lrg@slimlogic.co.uk>

1 files changed, 6 insertions, 1 deletions

diff --git a/sound/soc/codecs/wm8580.c b/sound/soc/codecs/wm8580.c
index 7942f917d31e..b6b2d6f8cba9 100644
--- a/sound/soc/codecs/wm8580.c
+++ b/sound/soc/codecs/wm8580.c
@@ -486,14 +486,18 @@ static int wm8580_paif_hw_params(struct snd_pcm_substream *substream,
         /* bit size */
         switch (params_format(params)) {
         case SNDRV_PCM_FORMAT_S16_LE:
+                paifa |= 0x8;
                 break;
         case SNDRV_PCM_FORMAT_S20_3LE:
+                paifa |= 0x10;
                 paifb |= WM8580_AIF_LENGTH_20;
                 break;
         case SNDRV_PCM_FORMAT_S24_LE:
+                paifa |= 0x10;
                 paifb |= WM8580_AIF_LENGTH_24;
                 break;
         case SNDRV_PCM_FORMAT_S32_LE:
+                paifa |= 0x10;
                 paifb |= WM8580_AIF_LENGTH_24;
                 break;
         default:
@@ -515,7 +519,8 @@ static int wm8580_paif_hw_params(struct snd_pcm_substream *substream,
                 wm8580_sysclk_ratios[i], wm8580->sysclk[dai->driver->id]);
 
         snd_soc_update_bits(codec, WM8580_PAIF1 + dai->driver->id,
-                            WM8580_AIF_RATE_MASK, paifa);
+                            WM8580_AIF_RATE_MASK | WM8580_AIF_BCLKSEL_MASK,
+                            paifa);
         snd_soc_update_bits(codec, WM8580_PAIF3 + dai->driver->id,
                             WM8580_AIF_LENGTH_MASK, paifb);
         return 0;