56 lines
1.7 KiB
Diff
56 lines
1.7 KiB
Diff
From d40566a2e9aa3c40be313b1fba9d5435c58ffd79 Mon Sep 17 00:00:00 2001
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From: Shengjiu Wang <shengjiu.wang@nxp.com>
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Date: Thu, 23 Nov 2017 13:32:13 +0800
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Subject: [PATCH] MLK-16929-1: ASoC: fsl_sai: add bitclk_freq
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Allow set SAI bit clock frequency trough snd_soc_dai_set_sysclk
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function call on machine sound drivers.
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Signed-off-by: Shengjiu Wang <shengjiu.wang@nxp.com>
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Signed-off-by: Adrian Alonso <adrian.alonso@nxp.com>
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---
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sound/soc/fsl/fsl_sai.c | 9 ++++++++-
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sound/soc/fsl/fsl_sai.h | 1 +
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2 files changed, 9 insertions(+), 1 deletion(-)
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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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@@ -233,11 +233,14 @@ static int fsl_sai_set_dai_sysclk_tr(str
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static int fsl_sai_set_dai_sysclk(struct snd_soc_dai *cpu_dai,
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int clk_id, unsigned int freq, int dir)
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{
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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 (dir == SND_SOC_CLOCK_IN)
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return 0;
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+ sai->bitclk_freq = freq;
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+
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ret = fsl_sai_set_dai_sysclk_tr(cpu_dai, clk_id, freq,
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FSL_FMT_TRANSMITTER);
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if (ret) {
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@@ -500,7 +503,11 @@ static int fsl_sai_hw_params(struct snd_
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slot_width = sai->slot_width;
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if (!sai->slave_mode[tx]) {
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- ret = fsl_sai_set_bclk(cpu_dai, tx,
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+ if (sai->bitclk_freq)
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+ ret = fsl_sai_set_bclk(cpu_dai, tx,
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+ sai->bitclk_freq);
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+ else
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+ ret = fsl_sai_set_bclk(cpu_dai, tx,
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slots * slot_width * params_rate(params));
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if (ret)
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return ret;
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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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@@ -181,6 +181,7 @@ struct fsl_sai {
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unsigned int mclk_streams;
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unsigned int slots;
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unsigned int slot_width;
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+ unsigned int bitclk_freq;
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struct snd_soc_dai_driver cpu_dai_drv;
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struct snd_dmaengine_dai_dma_data dma_params_rx;
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