openwrt/target/linux/layerscape/patches-5.4/801-audio-0039-MLK-16224-6-ASoC-fsl_sai-fix-DSD-suspend-resume.patch
Yangbo Lu cddd459140 layerscape: add patches-5.4
Add patches for linux-5.4. The patches are from NXP LSDK-20.04 release
which was tagged LSDK-20.04-V5.4.
https://source.codeaurora.org/external/qoriq/qoriq-components/linux/

For boards LS1021A-IOT, and Traverse-LS1043 which are not involved in
LSDK, port the dts patches from 4.14.

The patches are sorted into the following categories:
  301-arch-xxxx
  302-dts-xxxx
  303-core-xxxx
  701-net-xxxx
  801-audio-xxxx
  802-can-xxxx
  803-clock-xxxx
  804-crypto-xxxx
  805-display-xxxx
  806-dma-xxxx
  807-gpio-xxxx
  808-i2c-xxxx
  809-jailhouse-xxxx
  810-keys-xxxx
  811-kvm-xxxx
  812-pcie-xxxx
  813-pm-xxxx
  814-qe-xxxx
  815-sata-xxxx
  816-sdhc-xxxx
  817-spi-xxxx
  818-thermal-xxxx
  819-uart-xxxx
  820-usb-xxxx
  821-vfio-xxxx

Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com>
2020-05-07 12:53:06 +02:00

50 lines
1.4 KiB
Diff

From a115bf34468398647e7a8f380058bd597e44e1b3 Mon Sep 17 00:00:00 2001
From: Viorel Suman <viorel.suman@nxp.com>
Date: Mon, 29 Jan 2018 16:04:44 +0200
Subject: [PATCH] MLK-16224-6: ASoC: fsl_sai: fix DSD suspend/resume
With the existing implementation the SAI pinctrl state is restored to
default after resume - this breaks DSD playback after resume.
Restore DSD pinctrl state in snd_soc_dai_driver resume callback.
Signed-off-by: Viorel Suman <viorel.suman@nxp.com>
Reviewed-by: Shengjiu Wang <shengjiu.wang@nxp.com>
---
sound/soc/fsl/fsl_sai.c | 18 ++++++++++++++++++
1 file changed, 18 insertions(+)
--- a/sound/soc/fsl/fsl_sai.c
+++ b/sound/soc/fsl/fsl_sai.c
@@ -893,6 +893,23 @@ static int fsl_sai_dai_probe(struct snd_
return 0;
}
+static int fsl_sai_dai_resume(struct snd_soc_dai *cpu_dai)
+{
+ struct fsl_sai *sai = snd_soc_dai_get_drvdata(cpu_dai);
+ int ret;
+
+ if (sai->is_dsd && !IS_ERR_OR_NULL(sai->pins_dsd)) {
+ ret = pinctrl_select_state(sai->pinctrl, sai->pins_dsd);
+ if (ret) {
+ dev_err(cpu_dai->dev,
+ "failed to set proper pins state: %d\n", ret);
+ return ret;
+ }
+ }
+
+ return 0;
+}
+
static struct snd_soc_dai_driver fsl_sai_dai = {
.probe = fsl_sai_dai_probe,
.playback = {
@@ -913,6 +930,7 @@ static struct snd_soc_dai_driver fsl_sai
.rates = SNDRV_PCM_RATE_KNOT,
.formats = FSL_SAI_FORMATS,
},
+ .resume = fsl_sai_dai_resume,
.ops = &fsl_sai_pcm_dai_ops,
};