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45 lines
1.3 KiB
Diff
45 lines
1.3 KiB
Diff
From 0d9bc2f22dc418c4573ded86278e55f97d029dca Mon Sep 17 00:00:00 2001
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From: Viorel Suman <viorel.suman@nxp.com>
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Date: Fri, 9 Feb 2018 11:39:58 +0200
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Subject: [PATCH] MLK-17528-3: ASoC: fsl_sai: Set clock rate in "set_sysclk"
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API
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Set the requested clock rate in "set_sysclk" for specified clock id.
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Signed-off-by: Viorel Suman <viorel.suman@nxp.com>
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Suggested-by: Shengjiu Wang <shengjiu.wang@nxp.com>
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Reviewed-by: Shengjiu Wang <shengjiu.wang@nxp.com>
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Reviewed-by: Daniel Baluta <daniel.baluta@nxp.com>
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---
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sound/soc/fsl/fsl_sai.c | 19 +++++++++++++++++++
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1 file changed, 19 insertions(+)
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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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@@ -245,6 +245,25 @@ static int fsl_sai_set_dai_sysclk(struct
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return 0;
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}
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+ if (freq > 0) {
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+ if (clk_id < 0 || clk_id >= FSL_SAI_MCLK_MAX) {
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+ dev_err(cpu_dai->dev, "Unknown clock id: %d\n", clk_id);
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+ return -EINVAL;
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+ }
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+
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+ if (IS_ERR_OR_NULL(sai->mclk_clk[clk_id])) {
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+ dev_err(cpu_dai->dev, "Unassigned clock: %d\n", clk_id);
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+ return -EINVAL;
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+ }
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+
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+ ret = clk_set_rate(sai->mclk_clk[clk_id], freq);
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+ if (ret < 0) {
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+ dev_err(cpu_dai->dev, "failed to set clock rate (%u): %d\n",
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+ freq, ret);
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+ return ret;
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+ }
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+ }
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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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