target/linux/layerscape/patches-5.4/801-audio-0043-MLK-17528-1-ASoC-fsl_sai-Introduce-FSL_SAI_CLK_BIT-c.patch

   1 From 8eb2c08d504ac0697285b08084487fd3869ea7b6 Mon Sep 17 00:00:00 2001
   2 From: Viorel Suman <viorel.suman@nxp.com>
   3 Date: Thu, 8 Feb 2018 12:47:24 +0200
   4 Subject: [PATCH] MLK-17528-1: ASoC: fsl_sai: Introduce FSL_SAI_CLK_BIT clock
   5  id
   6
   7 Introduce FSL_SAI_CLK_BIT clock id in order to distinguish
   8 the bit clock and master clocks in "set_sysclk" API.
   9
  10 Signed-off-by: Viorel Suman <viorel.suman@nxp.com>
  11 Suggested-by: Shengjiu Wang <shengjiu.wang@nxp.com>
  12 Reviewed-by: Shengjiu Wang <shengjiu.wang@nxp.com>
  13 Reviewed-by: Daniel Baluta <daniel.baluta@nxp.com>
  14 ---
  15  sound/soc/fsl/fsl_sai.c | 5 ++++-
  16  sound/soc/fsl/fsl_sai.h | 1 +
  17  2 files changed, 5 insertions(+), 1 deletion(-)
  18
  19 --- a/sound/soc/fsl/fsl_sai.c
  20 +++ b/sound/soc/fsl/fsl_sai.c
  21 @@ -240,7 +240,10 @@ static int fsl_sai_set_dai_sysclk(struct
  22         if (dir == SND_SOC_CLOCK_IN)
  23                 return 0;
  24
  25 -       sai->bitclk_freq = freq;
  26 +       if (clk_id == FSL_SAI_CLK_BIT) {
  27 +               sai->bitclk_freq = freq;
  28 +               return 0;
  29 +       }
  30
  31         ret = fsl_sai_set_dai_sysclk_tr(cpu_dai, clk_id, freq,
  32                                         FSL_FMT_TRANSMITTER);
  33 --- a/sound/soc/fsl/fsl_sai.h
  34 +++ b/sound/soc/fsl/fsl_sai.h
  35 @@ -160,6 +160,7 @@
  36  #define FSL_SAI_CLK_MAST3      3
  37
  38  #define FSL_SAI_MCLK_MAX       4
  39 +#define FSL_SAI_CLK_BIT                5
  40
  41  /* SAI data transfer numbers per DMA request */
  42  #define FSL_SAI_MAXBURST_TX 6