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Mon, 7 May 2018 23:47:21 -0500 From: Vijendar Mukunda To: Date: Tue, 8 May 2018 10:17:50 +0530 Message-ID: <1525754888-14124-7-git-send-email-Vijendar.Mukunda@amd.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1525754888-14124-1-git-send-email-Vijendar.Mukunda@amd.com> References: <1525754888-14124-1-git-send-email-Vijendar.Mukunda@amd.com> MIME-Version: 1.0 X-EOPAttributedMessage: 0 X-MS-Office365-Filtering-HT: Tenant X-Forefront-Antispam-Report: CIP:165.204.84.17; IPV:NLI; CTRY:US; EFV:NLI; SFV:NSPM; SFS:(10009020)(396003)(346002)(376002)(39860400002)(39380400002)(2980300002)(428003)(189003)(199004)(105586002)(77096007)(109986005)(4326008)(47776003)(36756003)(336012)(68736007)(54906003)(305945005)(50226002)(53936002)(426003)(39060400002)(16586007)(316002)(2616005)(26005)(486006)(186003)(11346002)(72206003)(5660300001)(476003)(126002)(446003)(478600001)(8936002)(97736004)(76176011)(51416003)(106466001)(8676002)(81166006)(6666003)(7696005)(48376002)(81156014)(1671002)(356003)(50466002)(53416004)(2906002)(104016004)(86362001)(266003); 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The clk may not get diabled due to refcounting. startup/shutdown ensures single clk enable/disable call. Signed-off-by: Akshu Agrawal Signed-off-by: Vijendar Mukunda Reviewed-by: Daniel Kurtz --- sound/soc/amd/acp-da7219-max98357a.c | 49 +++++++++++++++++++++++++----------- 1 file changed, 35 insertions(+), 14 deletions(-) diff --git a/sound/soc/amd/acp-da7219-max98357a.c b/sound/soc/amd/acp-da7219-max98357a.c index 215b06b..6495eed 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[] = {