81 lines
2.6 KiB
Diff
81 lines
2.6 KiB
Diff
From 45ef8360c3ce459342994cdcfbf140e876b5490b Mon Sep 17 00:00:00 2001
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From: Viorel Suman <viorel.suman@nxp.com>
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Date: Tue, 11 Jul 2017 08:26:44 +0300
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Subject: [PATCH] MLK-13975: ASoC: fsl_sai: Refine master flag handling
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The patch introduces the master flag handling
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as function of direction and the option to provide
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the flag value from DTS.
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Signed-off-by: Shengjiu Wang <shengjiu.wang@nxp.com>
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Signed-off-by: Viorel Suman <viorel.suman@nxp.com>
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---
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sound/soc/fsl/fsl_sai.c | 27 +++++++++++++++++++--------
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sound/soc/fsl/fsl_sai.h | 2 +-
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2 files changed, 20 insertions(+), 9 deletions(-)
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--- a/sound/soc/fsl/fsl_sai.c
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+++ b/sound/soc/fsl/fsl_sai.c
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@@ -369,9 +369,9 @@ static int fsl_sai_set_dai_fmt(struct sn
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struct fsl_sai *sai = snd_soc_dai_get_drvdata(cpu_dai);
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int ret;
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- if (sai->i2s_xtor)
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- fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
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- SND_SOC_DAIFMT_CBS_CFS;
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+ if (sai->masterflag[FSL_FMT_TRANSMITTER])
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+ fmt = (fmt & (~SND_SOC_DAIFMT_MASTER_MASK)) |
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+ sai->masterflag[FSL_FMT_TRANSMITTER];
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ret = fsl_sai_set_dai_fmt_tr(cpu_dai, fmt, FSL_FMT_TRANSMITTER);
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if (ret) {
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@@ -379,9 +379,9 @@ static int fsl_sai_set_dai_fmt(struct sn
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return ret;
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}
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- if (sai->i2s_xtor)
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- fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
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- SND_SOC_DAIFMT_CBM_CFM;
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+ if (sai->masterflag[FSL_FMT_RECEIVER])
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+ fmt = (fmt & (~SND_SOC_DAIFMT_MASTER_MASK)) |
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+ sai->masterflag[FSL_FMT_RECEIVER];
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ret = fsl_sai_set_dai_fmt_tr(cpu_dai, fmt, FSL_FMT_RECEIVER);
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if (ret)
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@@ -1023,8 +1023,19 @@ static int fsl_sai_probe(struct platform
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return -EINVAL;
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}
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- /* I2S XTOR mode */
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- sai->i2s_xtor = (of_find_property(np, "fsl,i2s-xtor", NULL) != NULL);
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+ if ((of_find_property(np, "fsl,i2s-xtor", NULL) != NULL) ||
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+ (of_find_property(np, "fsl,txm-rxs", NULL) != NULL))
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+ {
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+ sai->masterflag[FSL_FMT_TRANSMITTER] = SND_SOC_DAIFMT_CBS_CFS;
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+ sai->masterflag[FSL_FMT_RECEIVER] = SND_SOC_DAIFMT_CBM_CFM;
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+ } else {
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+ if (!of_property_read_u32(np, "fsl,txmasterflag",
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+ &sai->masterflag[FSL_FMT_TRANSMITTER]))
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+ sai->masterflag[FSL_FMT_TRANSMITTER] <<= 12;
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+ if (!of_property_read_u32(np, "fsl,rxmasterflag",
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+ &sai->masterflag[FSL_FMT_RECEIVER]))
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+ sai->masterflag[FSL_FMT_RECEIVER] <<= 12;
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+ }
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irq = platform_get_irq(pdev, 0);
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if (irq < 0) {
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--- a/sound/soc/fsl/fsl_sai.h
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+++ b/sound/soc/fsl/fsl_sai.h
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@@ -160,10 +160,10 @@ struct fsl_sai {
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bool slave_mode[2];
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bool is_lsb_first;
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bool is_dsp_mode;
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- bool i2s_xtor;
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bool synchronous[2];
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bool is_stream_opened[2];
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unsigned int dataline[2];
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+ unsigned int masterflag[2];
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unsigned int mclk_id[2];
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unsigned int mclk_streams;
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