target/linux/brcm2708/patches-4.4/0423-ASoc-wm8731-add-32bit-mode.patch

   1 From 4dd7b6b8c1354ab21b4e3f85dcd513252fe8afea Mon Sep 17 00:00:00 2001
   2 From: Matt Flax <flatmax@flatmax.org>
   3 Date: Fri, 17 Jun 2016 14:48:16 +1000
   4 Subject: [PATCH] ASoc: wm8731: add 32bit mode.
   5
   6 commit cf5ef3a299ba32f6ac24c3c6ba18c1b7f1b5475f upstream.
   7
   8 This patch adds 32 bit word capability to the wm8731 driver. The wm8731
   9 codec is capable of handling 32 bit word sizes, however that has not
  10 previously been activated in the codec driver.
  11
  12 Signed-off-by: Matt Flax <flatmax@flatmax.org>
  13 Acked-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
  14 Signed-off-by: Mark Brown <broonie@kernel.org>
  15 ---
  16  sound/soc/codecs/wm8731.c | 5 ++++-
  17  1 file changed, 4 insertions(+), 1 deletion(-)
  18
  19 --- a/sound/soc/codecs/wm8731.c
  20 +++ b/sound/soc/codecs/wm8731.c
  21 @@ -358,6 +358,9 @@ static int wm8731_hw_params(struct snd_p
  22         case 24:
  23                 iface |= 0x0008;
  24                 break;
  25 +       case 32:
  26 +               iface |= 0x000c;
  27 +               break;
  28         }
  29
  30         wm8731_set_deemph(codec);
  31 @@ -541,7 +544,7 @@ static int wm8731_startup(struct snd_pcm
  32  #define WM8731_RATES SNDRV_PCM_RATE_8000_96000
  33
  34  #define WM8731_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\
  35 -       SNDRV_PCM_FMTBIT_S24_LE)
  36 +       SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE)
  37
  38  static const struct snd_soc_dai_ops wm8731_dai_ops = {
  39         .startup        = wm8731_startup,