linux-kernel - Re: [PATCH] ASoC: cs42xx8: Add reset gpio handling

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Message-ID: <20190508081240.GA14916@sirena.org.uk>
Date:   Wed, 8 May 2019 17:12:40 +0900
From:   Mark Brown <broonie@...nel.org>
To:     "S.j. Wang" <shengjiu.wang@....com>
Cc:     "brian.austin@...rus.com" <brian.austin@...rus.com>,
        "Paul.Handrigan@...rus.com" <Paul.Handrigan@...rus.com>,
        "lgirdwood@...il.com" <lgirdwood@...il.com>,
        "perex@...ex.cz" <perex@...ex.cz>,
        "tiwai@...e.com" <tiwai@...e.com>,
        "alsa-devel@...a-project.org" <alsa-devel@...a-project.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] ASoC: cs42xx8: Add reset gpio handling

On Mon, Apr 29, 2019 at 10:46:03AM +0000, S.j. Wang wrote:

> +	cs42xx8->gpio_reset = of_get_named_gpio(dev->of_node, "gpio-reset", 0);
> +	if (gpio_is_valid(cs42xx8->gpio_reset)) {
> +		ret = devm_gpio_request_one(dev, cs42xx8->gpio_reset,
> +				GPIOF_OUT_INIT_LOW, "cs42xx8 reset");

You should just be able to request the GPIO by name without going
through of_get_named_gpio() using devm_gpio_get().

> @@ -559,6 +577,7 @@ static int cs42xx8_runtime_resume(struct device *dev)
>  
>  	regcache_cache_only(cs42xx8->regmap, false);
>  
> +	regcache_mark_dirty(cs42xx8->regmap);
>  	ret = regcache_sync(cs42xx8->regmap);
>  	if (ret) {
>  		dev_err(dev, "failed to sync regmap: %d\n", ret);

This looks like an unrelated bugfix.

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