linux-kernel - Re: [PATCH 04/11] ASoC: wcd-mbhc-v2: use pm_runtime_resume_and

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Date:   Fri, 17 Jun 2022 13:53:35 -0700
From:   Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
To:     Pierre-Louis Bossart <pierre-louis.bossart@...ux.intel.com>,
        alsa-devel@...a-project.org
Cc:     tiwai@...e.de, broonie@...nel.org,
        Cezary Rojewski <cezary.rojewski@...el.com>,
        Amadeusz Sławiński 
        <amadeuszx.slawinski@...ux.intel.com>,
        Bard Liao <yung-chuan.liao@...ux.intel.com>,
        Kai Vehmanen <kai.vehmanen@...ux.intel.com>,
        Ranjani Sridharan <ranjani.sridharan@...ux.intel.com>,
        Liam Girdwood <lgirdwood@...il.com>,
        Jaroslav Kysela <perex@...ex.cz>,
        Takashi Iwai <tiwai@...e.com>,
        Srinivasa Rao Mandadapu <srivasam@...eaurora.org>,
        Christophe JAILLET <christophe.jaillet@...adoo.fr>,
        open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 04/11] ASoC: wcd-mbhc-v2: use pm_runtime_resume_and_get()



On 16/06/2022 15:04, Pierre-Louis Bossart wrote:
> simplify the flow. No functionality change, except that on -EACCESS
> the reference count will be decreased.
> 
> Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@...ux.intel.com>
> Reviewed-by: Bard Liao <yung-chuan.liao@...ux.intel.com>
> Reviewed-by: Kai Vehmanen <kai.vehmanen@...ux.intel.com>
> Reviewed-by: Ranjani Sridharan <ranjani.sridharan@...ux.intel.com>
> ---
Thanks Pierre,

LGTM,
Reviewed-by: Srinivas Kandagatla <srinivas.kandagatla@...aro.org>

--srini

>   sound/soc/codecs/wcd-mbhc-v2.c | 10 ++++------
>   1 file changed, 4 insertions(+), 6 deletions(-)
> 
> diff --git a/sound/soc/codecs/wcd-mbhc-v2.c b/sound/soc/codecs/wcd-mbhc-v2.c
> index 31009283e7d4a..98baef594bf31 100644
> --- a/sound/soc/codecs/wcd-mbhc-v2.c
> +++ b/sound/soc/codecs/wcd-mbhc-v2.c
> @@ -714,12 +714,11 @@ static int wcd_mbhc_initialise(struct wcd_mbhc *mbhc)
>   	struct snd_soc_component *component = mbhc->component;
>   	int ret;
>   
> -	ret = pm_runtime_get_sync(component->dev);
> +	ret = pm_runtime_resume_and_get(component->dev);
>   	if (ret < 0 && ret != -EACCES) {
>   		dev_err_ratelimited(component->dev,
> -				    "pm_runtime_get_sync failed in %s, ret %d\n",
> +				    "pm_runtime_resume_and_get failed in %s, ret %d\n",
>   				    __func__, ret);
> -		pm_runtime_put_noidle(component->dev);
>   		return ret;
>   	}
>   
> @@ -1097,12 +1096,11 @@ static void wcd_correct_swch_plug(struct work_struct *work)
>   	mbhc = container_of(work, struct wcd_mbhc, correct_plug_swch);
>   	component = mbhc->component;
>   
> -	ret = pm_runtime_get_sync(component->dev);
> +	ret = pm_runtime_resume_and_get(component->dev);
>   	if (ret < 0 && ret != -EACCES) {
>   		dev_err_ratelimited(component->dev,
> -				    "pm_runtime_get_sync failed in %s, ret %d\n",
> +				    "pm_runtime_resume_and_get failed in %s, ret %d\n",
>   				    __func__, ret);
> -		pm_runtime_put_noidle(component->dev);
>   		return;
>   	}
>   	micbias_mv = wcd_mbhc_get_micbias(mbhc);