From c49d1d073aaebb1155af8be29ef62051dc7a4356 Mon Sep 17 00:00:00 2001 From: Shengjiu Wang Date: Thu, 23 Nov 2017 13:32:13 +0800 Subject: MLK-16929-1: ASoC: fsl_sai: add bitclk_freq Allow set SAI bit clock frequency trough snd_soc_dai_set_sysclk function call on machine sound drivers. Signed-off-by: Shengjiu Wang Signed-off-by: Adrian Alonso --- sound/soc/fsl/fsl_sai.c | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) (limited to 'sound/soc/fsl/fsl_sai.c') diff --git a/sound/soc/fsl/fsl_sai.c b/sound/soc/fsl/fsl_sai.c index ecbb86651077..6092df181a1b 100644 --- a/sound/soc/fsl/fsl_sai.c +++ b/sound/soc/fsl/fsl_sai.c @@ -233,11 +233,14 @@ static int fsl_sai_set_dai_sysclk_tr(struct snd_soc_dai *cpu_dai, static int fsl_sai_set_dai_sysclk(struct snd_soc_dai *cpu_dai, int clk_id, unsigned int freq, int dir) { + struct fsl_sai *sai = snd_soc_dai_get_drvdata(cpu_dai); int ret; if (dir == SND_SOC_CLOCK_IN) return 0; + sai->bitclk_freq = freq; + ret = fsl_sai_set_dai_sysclk_tr(cpu_dai, clk_id, freq, FSL_FMT_TRANSMITTER); if (ret) { @@ -499,7 +502,11 @@ static int fsl_sai_hw_params(struct snd_pcm_substream *substream, slot_width = sai->slot_width; if (!sai->slave_mode[tx]) { - ret = fsl_sai_set_bclk(cpu_dai, tx, + if (sai->bitclk_freq) + ret = fsl_sai_set_bclk(cpu_dai, tx, + sai->bitclk_freq); + else + ret = fsl_sai_set_bclk(cpu_dai, tx, slots * slot_width * params_rate(params)); if (ret) return ret; -- cgit v1.2.3