From 45ef8360c3ce459342994cdcfbf140e876b5490b Mon Sep 17 00:00:00 2001 From: Viorel Suman Date: Tue, 11 Jul 2017 08:26:44 +0300 Subject: [PATCH] MLK-13975: ASoC: fsl_sai: Refine master flag handling The patch introduces the master flag handling as function of direction and the option to provide the flag value from DTS. Signed-off-by: Shengjiu Wang Signed-off-by: Viorel Suman --- sound/soc/fsl/fsl_sai.c | 27 +++++++++++++++++++-------- sound/soc/fsl/fsl_sai.h | 2 +- 2 files changed, 20 insertions(+), 9 deletions(-) --- a/sound/soc/fsl/fsl_sai.c +++ b/sound/soc/fsl/fsl_sai.c @@ -368,9 +368,9 @@ static int fsl_sai_set_dai_fmt(struct sn 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; + if (sai->masterflag[FSL_FMT_TRANSMITTER]) + fmt = (fmt & (~SND_SOC_DAIFMT_MASTER_MASK)) | + sai->masterflag[FSL_FMT_TRANSMITTER]; ret = fsl_sai_set_dai_fmt_tr(cpu_dai, fmt, FSL_FMT_TRANSMITTER); if (ret) { @@ -378,9 +378,9 @@ static int fsl_sai_set_dai_fmt(struct sn return ret; } - if (sai->i2s_xtor) - fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | - SND_SOC_DAIFMT_CBM_CFM; + if (sai->masterflag[FSL_FMT_RECEIVER]) + fmt = (fmt & (~SND_SOC_DAIFMT_MASTER_MASK)) | + sai->masterflag[FSL_FMT_RECEIVER]; ret = fsl_sai_set_dai_fmt_tr(cpu_dai, fmt, FSL_FMT_RECEIVER); if (ret) @@ -1022,8 +1022,19 @@ static int fsl_sai_probe(struct platform return -EINVAL; } - /* I2S XTOR mode */ - sai->i2s_xtor = (of_find_property(np, "fsl,i2s-xtor", NULL) != NULL); + if ((of_find_property(np, "fsl,i2s-xtor", NULL) != NULL) || + (of_find_property(np, "fsl,txm-rxs", NULL) != NULL)) + { + sai->masterflag[FSL_FMT_TRANSMITTER] = SND_SOC_DAIFMT_CBS_CFS; + sai->masterflag[FSL_FMT_RECEIVER] = SND_SOC_DAIFMT_CBM_CFM; + } else { + if (!of_property_read_u32(np, "fsl,txmasterflag", + &sai->masterflag[FSL_FMT_TRANSMITTER])) + sai->masterflag[FSL_FMT_TRANSMITTER] <<= 12; + if (!of_property_read_u32(np, "fsl,rxmasterflag", + &sai->masterflag[FSL_FMT_RECEIVER])) + sai->masterflag[FSL_FMT_RECEIVER] <<= 12; + } irq = platform_get_irq(pdev, 0); if (irq < 0) { --- a/sound/soc/fsl/fsl_sai.h +++ b/sound/soc/fsl/fsl_sai.h @@ -160,10 +160,10 @@ struct fsl_sai { bool slave_mode[2]; bool is_lsb_first; bool is_dsp_mode; - bool i2s_xtor; bool synchronous[2]; bool is_stream_opened[2]; unsigned int dataline[2]; + unsigned int masterflag[2]; unsigned int mclk_id[2]; unsigned int mclk_streams;