target/linux/brcm2708/patches-4.14/950-0231-ASoC-hifiberry_dacplus-transmit-S24_LE-with-64-BCLK-.patch

   1 From 05a5419c9e0ec993bc8dafd60e9fbe6c04e9e8c0 Mon Sep 17 00:00:00 2001
   2 From: Matthias Reichl <hias@horus.com>
   3 Date: Thu, 22 Feb 2018 13:09:30 +0100
   4 Subject: [PATCH 231/454] ASoC: hifiberry_dacplus: transmit S24_LE with 64 BCLK
   5  cycles
   6
   7 Signed-off-by: Matthias Reichl <hias@horus.com>
   8 ---
   9  sound/soc/bcm/hifiberry_dacplus.c | 11 +++++++++++
  10  1 file changed, 11 insertions(+)
  11
  12 --- a/sound/soc/bcm/hifiberry_dacplus.c
  13 +++ b/sound/soc/bcm/hifiberry_dacplus.c
  14 @@ -221,16 +221,27 @@ static int snd_rpi_hifiberry_dacplus_hw_
  15  {
  16         int ret = 0;
  17         struct snd_soc_pcm_runtime *rtd = substream->private_data;
  18 +       int channels = params_channels(params);
  19 +       int width = 32;
  20
  21         if (snd_rpi_hifiberry_is_dacpro) {
  22                 struct snd_soc_codec *codec = rtd->codec;
  23
  24 +               width = snd_pcm_format_physical_width(params_format(params));
  25 +
  26                 snd_rpi_hifiberry_dacplus_set_sclk(codec,
  27                         params_rate(params));
  28
  29                 ret = snd_rpi_hifiberry_dacplus_update_rate_den(
  30                         substream, params);
  31         }
  32 +
  33 +       ret = snd_soc_dai_set_tdm_slot(rtd->cpu_dai, 0x03, 0x03,
  34 +               channels, width);
  35 +       if (ret)
  36 +               return ret;
  37 +       ret = snd_soc_dai_set_tdm_slot(rtd->codec_dai, 0x03, 0x03,
  38 +               channels, width);
  39         return ret;
  40  }
  41