target/linux/brcm2708/patches-4.14/950-0210-ASoC-allo-boss-dac-fix-S24_LE-format.patch

   1 From ae1a548ef0cb1a25242201bca5fefa5090728ea8 Mon Sep 17 00:00:00 2001
   2 From: Matthias Reichl <hias@horus.com>
   3 Date: Fri, 2 Feb 2018 20:30:42 +0100
   4 Subject: [PATCH 210/454] ASoC: allo-boss-dac: fix S24_LE format
   5
   6 Remove set_bclk_ratio call so 24-bit data is transmitted in
   7 24 bclk cycles.
   8
   9 Signed-off-by: Matthias Reichl <hias@horus.com>
  10 ---
  11  sound/soc/bcm/allo-boss-dac.c | 20 ++------------------
  12  1 file changed, 2 insertions(+), 18 deletions(-)
  13
  14 --- a/sound/soc/bcm/allo-boss-dac.c
  15 +++ b/sound/soc/bcm/allo-boss-dac.c
  16 @@ -222,14 +222,6 @@ static int snd_allo_boss_update_rate_den
  17         return 0;
  18  }
  19
  20 -static int snd_allo_boss_set_bclk_ratio_pro(
  21 -       struct snd_soc_dai *cpu_dai, struct snd_pcm_hw_params *params)
  22 -{
  23 -       int bratio = snd_pcm_format_physical_width(params_format(params))
  24 -               * params_channels(params);
  25 -       return snd_soc_dai_set_bclk_ratio(cpu_dai, bratio);
  26 -}
  27 -
  28  static void snd_allo_boss_gpio_mute(struct snd_soc_card *card)
  29  {
  30         if (mute_gpio)
  31 @@ -281,9 +273,6 @@ static int snd_allo_boss_hw_params(
  32  {
  33         int ret = 0;
  34         struct snd_soc_pcm_runtime *rtd = substream->private_data;
  35 -       struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
  36 -       unsigned int sample_bits =
  37 -               snd_pcm_format_physical_width(params_format(params));
  38
  39         if (snd_soc_allo_boss_master) {
  40                 struct snd_soc_codec *codec = rtd->codec;
  41 @@ -291,13 +280,8 @@ static int snd_allo_boss_hw_params(
  42                 snd_allo_boss_set_sclk(codec,
  43                         params_rate(params));
  44
  45 -               ret = snd_allo_boss_set_bclk_ratio_pro(cpu_dai,
  46 -                       params);
  47 -               if (!ret)
  48 -                       ret = snd_allo_boss_update_rate_den(
  49 -                               substream, params);
  50 -       } else {
  51 -               ret = snd_soc_dai_set_bclk_ratio(cpu_dai, sample_bits * 2);
  52 +               ret = snd_allo_boss_update_rate_den(
  53 +                       substream, params);
  54         }
  55         return ret;
  56  }