target/linux/layerscape/patches-5.4/801-audio-0065-LF-106-ASoC-fsl_sai-request-BUS_FREQ_AUDIO.patch

   1 From 702f662e21b9246348987a119e2a3ca16a31acb7 Mon Sep 17 00:00:00 2001
   2 From: Shengjiu Wang <shengjiu.wang@nxp.com>
   3 Date: Fri, 22 Nov 2019 15:36:31 +0800
   4 Subject: [PATCH] LF-106: ASoC: fsl_sai: request BUS_FREQ_AUDIO
   5
   6 request BUS_FREQ_AUDIO
   7
   8 Signed-off-by: Shengjiu Wang <shengjiu.wang@nxp.com>
   9 ---
  10  sound/soc/fsl/fsl_sai.c | 5 +++++
  11  1 file changed, 5 insertions(+)
  12
  13 --- a/sound/soc/fsl/fsl_sai.c
  14 +++ b/sound/soc/fsl/fsl_sai.c
  15 @@ -23,6 +23,7 @@
  16  #include <linux/mfd/syscon.h>
  17  #include <linux/mfd/syscon/imx6q-iomuxc-gpr.h>
  18  #include <linux/pm_runtime.h>
  19 +#include <linux/busfreq-imx.h>
  20
  21  #include "fsl_dsd.h"
  22  #include "fsl_sai.h"
  23 @@ -1570,6 +1571,8 @@ static int fsl_sai_runtime_suspend(struc
  24
  25         regcache_cache_only(sai->regmap, true);
  26
  27 +       release_bus_freq(BUS_FREQ_AUDIO);
  28 +
  29         if (sai->mclk_streams & BIT(SNDRV_PCM_STREAM_CAPTURE))
  30                 clk_disable_unprepare(sai->mclk_clk[sai->mclk_id[0]]);
  31
  32 @@ -1611,6 +1614,8 @@ static int fsl_sai_runtime_resume(struct
  33                         goto disable_tx_clk;
  34         }
  35
  36 +       request_bus_freq(BUS_FREQ_AUDIO);
  37 +
  38         if (sai->soc->flags & SAI_FLAG_PMQOS)
  39                 pm_qos_add_request(&sai->pm_qos_req,
  40                                 PM_QOS_CPU_DMA_LATENCY, 0);