target/linux/brcm2708/patches-4.14/950-0215-ASoC-iqaudio-dac-fix-S24_LE-format.patch

   1 From 7e9c82c499592f518e45cf9d049529470971dac7 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 215/454] ASoC: iqaudio-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/iqaudio-dac.c | 18 ------------------
  12  1 file changed, 18 deletions(-)
  13
  14 --- a/sound/soc/bcm/iqaudio-dac.c
  15 +++ b/sound/soc/bcm/iqaudio-dac.c
  16 @@ -43,18 +43,6 @@ static int snd_rpi_iqaudio_dac_init(stru
  17         return 0;
  18  }
  19
  20 -static int snd_rpi_iqaudio_dac_hw_params(struct snd_pcm_substream *substream,
  21 -       struct snd_pcm_hw_params *params)
  22 -{
  23 -       struct snd_soc_pcm_runtime *rtd = substream->private_data;
  24 -       struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
  25 -
  26 -       unsigned int sample_bits =
  27 -               snd_pcm_format_physical_width(params_format(params));
  28 -
  29 -       return snd_soc_dai_set_bclk_ratio(cpu_dai, sample_bits * 2);
  30 -}
  31 -
  32  static void snd_rpi_iqaudio_gpio_mute(struct snd_soc_card *card)
  33  {
  34         if (mute_gpio) {
  35 @@ -109,11 +97,6 @@ static int snd_rpi_iqaudio_set_bias_leve
  36         return 0;
  37  }
  38
  39 -/* machine stream operations */
  40 -static struct snd_soc_ops snd_rpi_iqaudio_dac_ops = {
  41 -       .hw_params = snd_rpi_iqaudio_dac_hw_params,
  42 -};
  43 -
  44  static struct snd_soc_dai_link snd_rpi_iqaudio_dac_dai[] = {
  45  {
  46         .cpu_dai_name   = "bcm2708-i2s.0",
  47 @@ -122,7 +105,6 @@ static struct snd_soc_dai_link snd_rpi_i
  48         .codec_name     = "pcm512x.1-004c",
  49         .dai_fmt        = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
  50                                 SND_SOC_DAIFMT_CBS_CFS,
  51 -       .ops            = &snd_rpi_iqaudio_dac_ops,
  52         .init           = snd_rpi_iqaudio_dac_init,
  53  },
  54  };