korg/linux
0
0
Fork 0
mirror of https://mirrors.bfsu.edu.cn/git/linux.git synced 2024-09-22 22:11:38 +08:00
Code Issues Packages Projects Releases Wiki Activity

ASoC: AMD: Move clk enable from hw_params/free to startup/shutdown

Browse Source 
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>
This commit is contained in:
Akshu Agrawal 2018-05-08 10:17:50 +05:30 committed by Mark Brown
parent cac6f59717
commit e9716ff3dc
No known key found for this signature in database
GPG Key ID: 24D68B725D5487D0
1 changed files with 35 additions and 14 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

49
sound/soc/amd/acp-da7219-max98357a.c
View File

@ -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[] = {