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Diffstat (limited to 'target/linux/layerscape/patches-5.4/801-audio-0022-ASoC-fsl_sai-set-specific-fmt-for-I2S-XTOR.patch')
-rw-r--r--target/linux/layerscape/patches-5.4/801-audio-0022-ASoC-fsl_sai-set-specific-fmt-for-I2S-XTOR.patch62
1 files changed, 62 insertions, 0 deletions
diff --git a/target/linux/layerscape/patches-5.4/801-audio-0022-ASoC-fsl_sai-set-specific-fmt-for-I2S-XTOR.patch b/target/linux/layerscape/patches-5.4/801-audio-0022-ASoC-fsl_sai-set-specific-fmt-for-I2S-XTOR.patch
new file mode 100644
index 0000000000..84bf81ae64
--- /dev/null
+++ b/target/linux/layerscape/patches-5.4/801-audio-0022-ASoC-fsl_sai-set-specific-fmt-for-I2S-XTOR.patch
@@ -0,0 +1,62 @@
+From 307e37122cc14b5b305639c18ea575ebe623da2f Mon Sep 17 00:00:00 2001
+From: Viorel Suman <viorel.suman@nxp.com>
+Date: Sun, 30 Apr 2017 17:05:52 +0300
+Subject: [PATCH] ASoC: fsl_sai: set specific fmt for I2S XTOR
+
+Set specific fmt, for i2s xtor receiver is
+in slave mode and i2s xtor transmitter is in master mode.
+
+Signed-off-by: Shengjiu Wang <shengjiu.wang@freescale.com>
+Signed-off-by: Viorel Suman <viorel.suman@nxp.com>
+---
+ sound/soc/fsl/fsl_sai.c | 12 ++++++++++++
+ sound/soc/fsl/fsl_sai.h | 2 +-
+ 2 files changed, 13 insertions(+), 1 deletion(-)
+
+--- a/sound/soc/fsl/fsl_sai.c
++++ b/sound/soc/fsl/fsl_sai.c
+@@ -335,14 +335,23 @@ static int fsl_sai_set_dai_fmt_tr(struct
+
+ static int fsl_sai_set_dai_fmt(struct snd_soc_dai *cpu_dai, unsigned int fmt)
+ {
++ struct fsl_sai *sai = snd_soc_dai_get_drvdata(cpu_dai);
+ int ret;
+
++ if (sai->i2s_xtor)
++ fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
++ SND_SOC_DAIFMT_CBS_CFS;
++
+ ret = fsl_sai_set_dai_fmt_tr(cpu_dai, fmt, FSL_FMT_TRANSMITTER);
+ if (ret) {
+ dev_err(cpu_dai->dev, "Cannot set tx format: %d\n", ret);
+ return ret;
+ }
+
++ if (sai->i2s_xtor)
++ fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
++ SND_SOC_DAIFMT_CBM_CFM;
++
+ ret = fsl_sai_set_dai_fmt_tr(cpu_dai, fmt, FSL_FMT_RECEIVER);
+ if (ret)
+ dev_err(cpu_dai->dev, "Cannot set rx format: %d\n", ret);
+@@ -974,6 +983,9 @@ static int fsl_sai_probe(struct platform
+ return -EINVAL;
+ }
+
++ /* I2S XTOR mode */
++ sai->i2s_xtor = (of_find_property(np, "fsl,i2s-xtor", NULL) != NULL);
++
+ irq = platform_get_irq(pdev, 0);
+ if (irq < 0) {
+ dev_err(&pdev->dev, "no irq for node %s\n", pdev->name);
+--- a/sound/soc/fsl/fsl_sai.h
++++ b/sound/soc/fsl/fsl_sai.h
+@@ -160,7 +160,7 @@ struct fsl_sai {
+ bool slave_mode[2];
+ bool is_lsb_first;
+ bool is_dsp_mode;
+- bool sai_on_imx;
++ bool i2s_xtor;
+ bool synchronous[2];
+ bool is_stream_opened[2];
+ unsigned int dataline[2];