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| author | Yangbo Lu <yangbo.lu@nxp.com> | 2020-04-10 10:47:05 +0800 |
|---|---|---|
| committer | Petr Štetiar <ynezz@true.cz> | 2020-05-07 12:53:06 +0200 |
| commit | cddd4591404fb4c53dc0b3c0b15b942cdbed4356 (patch) | |
| tree | 392c1179de46b0f804e3789edca19069b64e6b44 /target/linux/layerscape/patches-5.4/801-audio-0012-MLK-9974-ASoC-fsl_sai-There-is-underrun-detected-in-.patch | |
| parent | d1d2c0b5579ea4f69a42246c9318539d61ba1999 (diff) | |
| download | upstream-cddd4591404fb4c53dc0b3c0b15b942cdbed4356.tar.gz upstream-cddd4591404fb4c53dc0b3c0b15b942cdbed4356.tar.bz2 upstream-cddd4591404fb4c53dc0b3c0b15b942cdbed4356.zip | |
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>
Diffstat (limited to 'target/linux/layerscape/patches-5.4/801-audio-0012-MLK-9974-ASoC-fsl_sai-There-is-underrun-detected-in-.patch')
| -rw-r--r-- | target/linux/layerscape/patches-5.4/801-audio-0012-MLK-9974-ASoC-fsl_sai-There-is-underrun-detected-in-.patch | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/target/linux/layerscape/patches-5.4/801-audio-0012-MLK-9974-ASoC-fsl_sai-There-is-underrun-detected-in-.patch b/target/linux/layerscape/patches-5.4/801-audio-0012-MLK-9974-ASoC-fsl_sai-There-is-underrun-detected-in-.patch new file mode 100644 index 0000000000..3b7de3c98b --- /dev/null +++ b/target/linux/layerscape/patches-5.4/801-audio-0012-MLK-9974-ASoC-fsl_sai-There-is-underrun-detected-in-.patch @@ -0,0 +1,39 @@ +From 2a7fa96feddb63d36d64336a994dc4132e8a5cd4 Mon Sep 17 00:00:00 2001 +From: Shengjiu Wang <shengjiu.wang@freescale.com> +Date: Mon, 29 Dec 2014 13:40:08 +0800 +Subject: [PATCH] MLK-9974: ASoC: fsl_sai: There is underrun detected in the + beginning sometimes + +Write initial words to SAI FIFO to reduce underrun error + +Signed-off-by: Shengjiu Wang <shengjiu.wang@freescale.com> +(cherry picked from commit 7ba8ae883d84540fac5ed4147d124399537bc0b3) +(cherry picked from commit f4435f35aa2a97551d2c4a12ca316c354a880f85) +--- + sound/soc/fsl/fsl_sai.c | 7 +++++++ + 1 file changed, 7 insertions(+) + +--- a/sound/soc/fsl/fsl_sai.c ++++ b/sound/soc/fsl/fsl_sai.c +@@ -506,7 +506,9 @@ static int fsl_sai_trigger(struct snd_pc + { + struct fsl_sai *sai = snd_soc_dai_get_drvdata(cpu_dai); + bool tx = substream->stream == SNDRV_PCM_STREAM_PLAYBACK; ++ u8 channels = substream->runtime->channels; + u32 xcsr, count = 100; ++ int i; + + /* + * Asynchronous mode: Clear SYNC for both Tx and Rx. +@@ -529,6 +531,11 @@ static int fsl_sai_trigger(struct snd_pc + regmap_update_bits(sai->regmap, FSL_SAI_xCSR(tx), + FSL_SAI_CSR_FRDE, FSL_SAI_CSR_FRDE); + ++ for (i = 0; tx && i < channels; i++) ++ regmap_write(sai->regmap, FSL_SAI_TDR, 0x0); ++ if (tx) ++ udelay(10); ++ + regmap_update_bits(sai->regmap, FSL_SAI_RCSR, + FSL_SAI_CSR_TERE, FSL_SAI_CSR_TERE); + regmap_update_bits(sai->regmap, FSL_SAI_TCSR, |