Re: [alsa-devel] [PATCH] ASoC: rt5659: Add mclk controls

From: Nicolin Chen
Date: Thu Jul 28 2016 - 16:51:14 EST


On Thu, Jul 28, 2016 at 10:40:44PM +0200, Lars-Peter Clausen wrote:
> > + /* Check if MCLK provided */
> > + rt5659->mclk = devm_clk_get(&i2c->dev, "mclk");
> > + if (IS_ERR(rt5659->mclk)) {
> > + if (PTR_ERR(rt5659->mclk) == -EPROBE_DEFER)
> > + return -EPROBE_DEFER;
>
> The correct thing to do here is to check if != -ENOENT and then return
> the error code. Otherwise you silently ignore errors if a clock was
> specified, but there was an error requesting it.

Oh..Thanks for the input. Will refine it in v2.