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authorAkshu Agrawal2018-05-08 10:17:50 +0530
committerMark Brown2018-05-21 16:19:11 +0100
commite9716ff3dcd052d8640047860a78c948629c6c70 (patch)
treeb796b72d38184815f27112d51cd62e296e93f29b /sound/soc/amd
parentcac6f59717e1084552e509172d40d5c9d278feb9 (diff)
ASoC: AMD: Move clk enable from hw_params/free to startup/shutdown
hw_param can be called multiple times and thus we can have more clk enable. The clk may not get diabled due to refcounting. startup/shutdown ensures single clk enable/disable call. Signed-off-by: Akshu Agrawal <akshu.agrawal@amd.com> Signed-off-by: Vijendar Mukunda <Vijendar.Mukunda@amd.com> Reviewed-by: Daniel Kurtz <djkurtz@chromium.org> Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/soc/amd')
-rw-r--r--sound/soc/amd/acp-da7219-max98357a.c49
1 files changed, 35 insertions, 14 deletions
diff --git a/sound/soc/amd/acp-da7219-max98357a.c b/sound/soc/amd/acp-da7219-max98357a.c
index 215b06bf2039..6495eedc3d4c 100644
--- a/sound/soc/amd/acp-da7219-max98357a.c
+++ b/sound/soc/amd/acp-da7219-max98357a.c
@@ -91,8 +91,7 @@ static int cz_da7219_init(struct snd_soc_pcm_runtime *rtd)
return 0;
}
-static int cz_da7219_hw_params(struct snd_pcm_substream *substream,
- struct snd_pcm_hw_params *params)
+static int da7219_clk_enable(struct snd_pcm_substream *substream)
{
int ret = 0;
struct snd_soc_pcm_runtime *rtd = substream->private_data;
@@ -106,11 +105,9 @@ static int cz_da7219_hw_params(struct snd_pcm_substream *substream,
return ret;
}
-static int cz_da7219_hw_free(struct snd_pcm_substream *substream)
+static void da7219_clk_disable(void)
{
clk_disable_unprepare(da7219_dai_clk);
-
- return 0;
}
static const unsigned int channels[] = {
@@ -133,7 +130,7 @@ static const struct snd_pcm_hw_constraint_list constraints_channels = {
.mask = 0,
};
-static int cz_fe_startup(struct snd_pcm_substream *substream)
+static int cz_da7219_startup(struct snd_pcm_substream *substream)
{
struct snd_pcm_runtime *runtime = substream->runtime;
@@ -147,23 +144,47 @@ static int cz_fe_startup(struct snd_pcm_substream *substream)
snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
&constraints_rates);
- return 0;
+ return da7219_clk_enable(substream);
+}
+
+static void cz_da7219_shutdown(struct snd_pcm_substream *substream)
+{
+ da7219_clk_disable();
+}
+
+static int cz_max_startup(struct snd_pcm_substream *substream)
+{
+ return da7219_clk_enable(substream);
+}
+
+static void cz_max_shutdown(struct snd_pcm_substream *substream)
+{
+ da7219_clk_disable();
+}
+
+static int cz_dmic_startup(struct snd_pcm_substream *substream)
+{
+ return da7219_clk_enable(substream);
+}
+
+static void cz_dmic_shutdown(struct snd_pcm_substream *substream)
+{
+ da7219_clk_disable();
}
static struct snd_soc_ops cz_da7219_cap_ops = {
- .hw_params = cz_da7219_hw_params,
- .hw_free = cz_da7219_hw_free,
- .startup = cz_fe_startup,
+ .startup = cz_da7219_startup,
+ .shutdown = cz_da7219_shutdown,
};
static struct snd_soc_ops cz_max_play_ops = {
- .hw_params = cz_da7219_hw_params,
- .hw_free = cz_da7219_hw_free,
+ .startup = cz_max_startup,
+ .shutdown = cz_max_shutdown,
};
static struct snd_soc_ops cz_dmic_cap_ops = {
- .hw_params = cz_da7219_hw_params,
- .hw_free = cz_da7219_hw_free,
+ .startup = cz_dmic_startup,
+ .shutdown = cz_dmic_shutdown,
};
static struct snd_soc_dai_link cz_dai_7219_98357[] = {