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Diffstat (limited to 'sound/soc/mxs')
-rw-r--r--sound/soc/mxs/mxs-saif.c13
1 files changed, 11 insertions, 2 deletions
diff --git a/sound/soc/mxs/mxs-saif.c b/sound/soc/mxs/mxs-saif.c
index c866ade28..a6c7b8d87 100644
--- a/sound/soc/mxs/mxs-saif.c
+++ b/sound/soc/mxs/mxs-saif.c
@@ -381,9 +381,19 @@ static int mxs_saif_startup(struct snd_pcm_substream *substream,
__raw_writel(BM_SAIF_CTRL_CLKGATE,
saif->base + SAIF_CTRL + MXS_CLR_ADDR);
+ clk_prepare(saif->clk);
+
return 0;
}
+static void mxs_saif_shutdown(struct snd_pcm_substream *substream,
+ struct snd_soc_dai *cpu_dai)
+{
+ struct mxs_saif *saif = snd_soc_dai_get_drvdata(cpu_dai);
+
+ clk_unprepare(saif->clk);
+}
+
/*
* Should only be called when port is inactive.
* although can be called multiple times by upper layers.
@@ -424,8 +434,6 @@ static int mxs_saif_hw_params(struct snd_pcm_substream *substream,
return ret;
}
- /* prepare clk in hw_param, enable in trigger */
- clk_prepare(saif->clk);
if (saif != master_saif) {
/*
* Set an initial clock rate for the saif internal logic to work
@@ -611,6 +619,7 @@ static int mxs_saif_trigger(struct snd_pcm_substream *substream, int cmd,
static const struct snd_soc_dai_ops mxs_saif_dai_ops = {
.startup = mxs_saif_startup,
+ .shutdown = mxs_saif_shutdown,
.trigger = mxs_saif_trigger,
.prepare = mxs_saif_prepare,
.hw_params = mxs_saif_hw_params,