layerscape: add patches-5.4

[openwrt/staging/wigyori.git] / target / linux / layerscape / patches-5.4 / 801-audio-0065-LF-106-ASoC-fsl_sai-request-BUS_FREQ_AUDIO.patch

diff --git a/target/linux/layerscape/patches-5.4/801-audio-0065-LF-106-ASoC-fsl_sai-request-BUS_FREQ_AUDIO.patch b/target/linux/layerscape/patches-5.4/801-audio-0065-LF-106-ASoC-fsl_sai-request-BUS_FREQ_AUDIO.patch
new file mode 100644 (file)
index 0000000..25c65f1
--- /dev/null
+++ b/target/linux/layerscape/patches-5.4/801-audio-0065-LF-106-ASoC-fsl_sai-request-BUS_FREQ_AUDIO.patch
@@ -0,0 +1,40 @@
+From 702f662e21b9246348987a119e2a3ca16a31acb7 Mon Sep 17 00:00:00 2001
+From: Shengjiu Wang <shengjiu.wang@nxp.com>
+Date: Fri, 22 Nov 2019 15:36:31 +0800
+Subject: [PATCH] LF-106: ASoC: fsl_sai: request BUS_FREQ_AUDIO
+
+request BUS_FREQ_AUDIO
+
+Signed-off-by: Shengjiu Wang <shengjiu.wang@nxp.com>
+---
+ sound/soc/fsl/fsl_sai.c | 5 +++++
+ 1 file changed, 5 insertions(+)
+
+--- a/sound/soc/fsl/fsl_sai.c
++++ b/sound/soc/fsl/fsl_sai.c
+@@ -23,6 +23,7 @@
+ #include <linux/mfd/syscon.h>
+ #include <linux/mfd/syscon/imx6q-iomuxc-gpr.h>
+ #include <linux/pm_runtime.h>
++#include <linux/busfreq-imx.h>
+ 
+ #include "fsl_dsd.h"
+ #include "fsl_sai.h"
+@@ -1570,6 +1571,8 @@ static int fsl_sai_runtime_suspend(struc
+ 
+       regcache_cache_only(sai->regmap, true);
+ 
++      release_bus_freq(BUS_FREQ_AUDIO);
++
+       if (sai->mclk_streams & BIT(SNDRV_PCM_STREAM_CAPTURE))
+               clk_disable_unprepare(sai->mclk_clk[sai->mclk_id[0]]);
+ 
+@@ -1611,6 +1614,8 @@ static int fsl_sai_runtime_resume(struct
+                       goto disable_tx_clk;
+       }
+ 
++      request_bus_freq(BUS_FREQ_AUDIO);
++
+       if (sai->soc->flags & SAI_FLAG_PMQOS)
+               pm_qos_add_request(&sai->pm_qos_req,
+                               PM_QOS_CPU_DMA_LATENCY, 0);