blob: cfdfac9c3af43c3ca6920716eed9053c34152381 [file] [log] [blame]
b.liue9582032025-04-17 19:18:16 +08001From 307e37122cc14b5b305639c18ea575ebe623da2f Mon Sep 17 00:00:00 2001
2From: Viorel Suman <viorel.suman@nxp.com>
3Date: Sun, 30 Apr 2017 17:05:52 +0300
4Subject: [PATCH] ASoC: fsl_sai: set specific fmt for I2S XTOR
5
6Set specific fmt, for i2s xtor receiver is
7in slave mode and i2s xtor transmitter is in master mode.
8
9Signed-off-by: Shengjiu Wang <shengjiu.wang@freescale.com>
10Signed-off-by: Viorel Suman <viorel.suman@nxp.com>
11---
12 sound/soc/fsl/fsl_sai.c | 12 ++++++++++++
13 sound/soc/fsl/fsl_sai.h | 2 +-
14 2 files changed, 13 insertions(+), 1 deletion(-)
15
16--- a/sound/soc/fsl/fsl_sai.c
17+++ b/sound/soc/fsl/fsl_sai.c
18@@ -336,14 +336,23 @@ static int fsl_sai_set_dai_fmt_tr(struct
19
20 static int fsl_sai_set_dai_fmt(struct snd_soc_dai *cpu_dai, unsigned int fmt)
21 {
22+ struct fsl_sai *sai = snd_soc_dai_get_drvdata(cpu_dai);
23 int ret;
24
25+ if (sai->i2s_xtor)
26+ fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
27+ SND_SOC_DAIFMT_CBS_CFS;
28+
29 ret = fsl_sai_set_dai_fmt_tr(cpu_dai, fmt, FSL_FMT_TRANSMITTER);
30 if (ret) {
31 dev_err(cpu_dai->dev, "Cannot set tx format: %d\n", ret);
32 return ret;
33 }
34
35+ if (sai->i2s_xtor)
36+ fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
37+ SND_SOC_DAIFMT_CBM_CFM;
38+
39 ret = fsl_sai_set_dai_fmt_tr(cpu_dai, fmt, FSL_FMT_RECEIVER);
40 if (ret)
41 dev_err(cpu_dai->dev, "Cannot set rx format: %d\n", ret);
42@@ -975,6 +984,9 @@ static int fsl_sai_probe(struct platform
43 return -EINVAL;
44 }
45
46+ /* I2S XTOR mode */
47+ sai->i2s_xtor = (of_find_property(np, "fsl,i2s-xtor", NULL) != NULL);
48+
49 irq = platform_get_irq(pdev, 0);
50 if (irq < 0) {
51 dev_err(&pdev->dev, "no irq for node %s\n", pdev->name);
52--- a/sound/soc/fsl/fsl_sai.h
53+++ b/sound/soc/fsl/fsl_sai.h
54@@ -160,7 +160,7 @@ struct fsl_sai {
55 bool slave_mode[2];
56 bool is_lsb_first;
57 bool is_dsp_mode;
58- bool sai_on_imx;
59+ bool i2s_xtor;
60 bool synchronous[2];
61 bool is_stream_opened[2];
62 unsigned int dataline[2];