openwrt/target/linux/layerscape/patches-5.4/801-audio-0039-MLK-16224-6-ASoC-fsl_sai-fix-DSD-suspend-resume.patch
John Audia b4c02c9998 kernel: bump 5.4 to 5.4.73
Removed upstreamed patches:
 generic/pending-5.4
   445-mtd-spinand-gigadevice-Only-one-dummy-byte-in-QUA.patch
   446-mtd-spinand-gigadevice-Add-QE-Bit.patch
 pistachio/patches-5.4
   150-pwm-img-Fix-null-pointer-access-in-probe.patch

Manually rebased:
 layerscape/patches-5.4
   801-audio-0011-Revert-ASoC-fsl_sai-add-of_match-data.patch
   801-audio-0039-MLK-16224-6-ASoC-fsl_sai-fix-DSD-suspend-resume.patch
   801-audio-0073-MLK-21957-3-ASoC-fsl_sai-add-bitcount-and-timestamp-.patch
   820-usb-0009-usb-dwc3-Add-workaround-for-host-mode-VBUS-glitch-wh.patch

All modifications made by update_kernel.sh

Build system: x86_64
Build-tested: ipq806x/R7800, ath79/generic, bcm27xx/bcm2711,
              mvebu (mamba, rango), x86_64, ramips/mt7621
Run-tested: ipq806x/R7800, mvebu (mamba, rango), x86_64, ramips (RT-AC57U)

No dmesg regressions, everything functional

Signed-off-by: John Audia <graysky@archlinux.us>
[alter 820-usb-0009-usb-dwc3-Add-workaround-for-host-mode-VBUS-glitch-wh]
Signed-off-by: Adrian Schmutzler <freifunk@adrianschmutzler.de>
2020-11-01 14:44:06 +01:00

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_template = {
.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,
};