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From: Stephen Warren <swarren-3lzwWm7+Weoh9ZMKESR00Q@public.gmane.org>
To: Wei Yongjun <weiyj.lk-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
	lgirdwood-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org,
	broonie-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org,
	perex-/Fr2/VpizcU@public.gmane.org,
	tiwai-l3A5Bk7waGM@public.gmane.org,
	thierry.reding-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org,
	grant.likely-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org,
	robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org
Cc: yongjun_wei-zrsr2BFq86L20UzCJQGyNP8+0UxHXcjY@public.gmane.org,
	alsa-devel-K7yf7f+aM1XWsZ/bQMPhNw@public.gmane.org,
	linux-tegra-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: Re: [PATCH -next] ASoC: tegra20-ac97: fix error return code in tegra20_ac97_platform_probe()
Date: Mon, 16 Dec 2013 10:10:12 -0700	[thread overview]
Message-ID: <52AF33F4.1060203@wwwdotorg.org> (raw)
In-Reply-To: <CAPgLHd8W+vo9FD7tAT3eBM_-akXStB8ib93xTk6oS8+5TTYNAQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>

On 12/13/2013 10:15 PM, Wei Yongjun wrote:
> From: Wei Yongjun <yongjun_wei-zrsr2BFq86L20UzCJQGyNP8+0UxHXcjY@public.gmane.org>
> 
> Fix to return -ENODEV instead of 0 when no GPIO supplied in
> tegra20_ac97_platform_probe().

> diff --git a/sound/soc/tegra/tegra20_ac97.c b/sound/soc/tegra/tegra20_ac97.c

> @@ -358,6 +358,7 @@ static int tegra20_ac97_platform_probe(struct platform_device *pdev)
>  		}
>  	} else {
>  		dev_err(&pdev->dev, "no codec-reset GPIO supplied\n");
> +		ret = -ENODEV;

This would be better as:

		ret = ac97->reset_gpio;

Since that will propagate the exact error code (and incidentally,
deferred probe will work correctly then).

>  	if (!gpio_is_valid(ac97->sync_gpio)) {
>  		dev_err(&pdev->dev, "no codec-sync GPIO supplied\n");
> +		ret = -ENODEV;

Similarly here,

		ret = ac97->sync_gpio;

      parent reply	other threads:[~2013-12-16 17:10 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-12-14  5:15 [PATCH -next] ASoC: tegra20-ac97: fix error return code in tegra20_ac97_platform_probe() Wei Yongjun
     [not found] ` <CAPgLHd8W+vo9FD7tAT3eBM_-akXStB8ib93xTk6oS8+5TTYNAQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2013-12-16 17:10   ` Stephen Warren [this message]

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