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Diffstat (limited to 'target/linux/layerscape/patches-5.4/801-audio-0070-MLK-21957-1-ASoC-fsl_sai-remove-reset-code-from-dai_.patch')
-rw-r--r--target/linux/layerscape/patches-5.4/801-audio-0070-MLK-21957-1-ASoC-fsl_sai-remove-reset-code-from-dai_.patch30
1 files changed, 30 insertions, 0 deletions
diff --git a/target/linux/layerscape/patches-5.4/801-audio-0070-MLK-21957-1-ASoC-fsl_sai-remove-reset-code-from-dai_.patch b/target/linux/layerscape/patches-5.4/801-audio-0070-MLK-21957-1-ASoC-fsl_sai-remove-reset-code-from-dai_.patch
new file mode 100644
index 0000000000..e4c7fa00ba
--- /dev/null
+++ b/target/linux/layerscape/patches-5.4/801-audio-0070-MLK-21957-1-ASoC-fsl_sai-remove-reset-code-from-dai_.patch
@@ -0,0 +1,30 @@
+From 9bd468920e23649e1244c5d243215c04ff3e72e6 Mon Sep 17 00:00:00 2001
+From: Viorel Suman <viorel.suman@nxp.com>
+Date: Tue, 18 Jun 2019 16:16:19 +0300
+Subject: [PATCH] MLK-21957-1: ASoC: fsl_sai: remove reset code from dai_probe
+
+SAI software reset is done in runtime resume,
+there is no need to do it in fsl_sai_dai_probe.
+
+Signed-off-by: Viorel Suman <viorel.suman@nxp.com>
+Signed-off-by: Shengjiu Wang <shengjiu.wang@nxp.com>
+---
+ sound/soc/fsl/fsl_sai.c | 7 -------
+ 1 file changed, 7 deletions(-)
+
+--- a/sound/soc/fsl/fsl_sai.c
++++ b/sound/soc/fsl/fsl_sai.c
+@@ -991,13 +991,6 @@ static int fsl_sai_dai_probe(struct snd_
+ struct fsl_sai *sai = dev_get_drvdata(cpu_dai->dev);
+ unsigned char offset = sai->soc->reg_offset;
+
+- /* Software Reset for both Tx and Rx */
+- regmap_write(sai->regmap, FSL_SAI_TCSR(offset), FSL_SAI_CSR_SR);
+- regmap_write(sai->regmap, FSL_SAI_RCSR(offset), FSL_SAI_CSR_SR);
+- /* Clear SR bit to finish the reset */
+- regmap_write(sai->regmap, FSL_SAI_TCSR(offset), 0);
+- regmap_write(sai->regmap, FSL_SAI_RCSR(offset), 0);
+-
+ regmap_update_bits(sai->regmap, FSL_SAI_TCR1(offset),
+ sai->soc->fifo_depth - 1,
+ sai->soc->fifo_depth - FSL_SAI_MAXBURST_TX);