target/linux/bcm27xx/patches-5.4/950-0271-According-to-5713-pdf-doc-CLOCK_CTRL-is-a-readonly-s.patch

   1 From 638f29943041f9205486a03587b7bd9e64799b2a Mon Sep 17 00:00:00 2001
   2 From: Hermann Lauer <hlauer@seba.iwr.uni-heidelberg.de>
   3 Date: Thu, 8 Aug 2019 15:40:37 +0200
   4 Subject: [PATCH] According to 5713 pdf doc CLOCK_CTRL is a readonly
   5  status register, and it behaves so. Remove useless setting
   6
   7 ---
   8  sound/soc/codecs/tas5713.c | 5 +----
   9  1 file changed, 1 insertion(+), 4 deletions(-)
  10
  11 --- a/sound/soc/codecs/tas5713.c
  12 +++ b/sound/soc/codecs/tas5713.c
  13 @@ -190,10 +190,6 @@ static int tas5713_probe(struct snd_soc_
  14         ret = snd_soc_component_write(component, TAS5713_ERROR_STATUS, 0x00);
  15         if (ret < 0) return ret;
  16
  17 -       // Clock mode: 44/48kHz, MCLK=64xfs
  18 -       ret = snd_soc_component_write(component, TAS5713_CLOCK_CTRL, 0x60);
  19 -       if (ret < 0) return ret;
  20 -
  21         // I2S 24bit
  22         ret = snd_soc_component_write(component, TAS5713_SERIAL_DATA_INTERFACE, 0x05);
  23         if (ret < 0) return ret;
  24 @@ -257,6 +253,7 @@ static bool tas5713_reg_volatile(struct
  25         switch (reg) {
  26                 case TAS5713_DEVICE_ID:
  27                 case TAS5713_ERROR_STATUS:
  28 +               case TAS5713_CLOCK_CTRL:
  29                         return true;
  30         default:
  31                         return false;