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| author | Akshu Agrawal <akshu.agrawal@amd.com> | 2018-05-08 06:47:50 +0200 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2018-05-21 17:19:11 +0200 |
| commit | e9716ff3dcd052d8640047860a78c948629c6c70 (patch) | |
| tree | b796b72d38184815f27112d51cd62e296e93f29b | |
| parent | ASoC: amd: memory release for rtd structure (diff) | |
| download | linux-e9716ff3dcd052d8640047860a78c948629c6c70.tar.xz linux-e9716ff3dcd052d8640047860a78c948629c6c70.zip | |
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>
| -rw-r--r-- | sound/soc/amd/acp-da7219-max98357a.c | 49 |
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[] = { |