Re: [PATCH 1/2] ASoC: sirf: Add audio usp interface driver

From: Mark Brown
Date: Tue Jul 01 2014 - 13:49:23 EST


On Tue, Jul 01, 2014 at 10:18:53AM +0800, Rongjun Ying wrote:

A few *really* trivial things below, otherwise this looks good:

> + if (usp->daifmt_format == SND_SOC_DAIFMT_I2S)
> + regmap_update_bits(usp->regmap, USP_RX_FRAME_CTRL,
> + USP_I2S_SYNC_CHG, USP_I2S_SYNC_CHG);
> + else if (usp->daifmt_format == SND_SOC_DAIFMT_DSP_A) {
> + regmap_update_bits(usp->regmap, USP_RX_FRAME_CTRL,
> + USP_I2S_SYNC_CHG, 0);
> + frame_len = data_len * params_channels(params);
> + data_len = frame_len;
> + }

Make this a switch statement for legibility, and if you do need to use {
} make sure they're used consistently for all branches of an if ().

> + int playback = substream->stream == SNDRV_PCM_STREAM_PLAYBACK;

I'm not sure the extra variable adds much here.

> +static struct snd_soc_dai_driver sirf_usp_pcm_dai = {
> + .probe = sirf_usp_pcm_dai_probe,
> + .name = "sirf-usp-pcm",
> + .id = 0,

Weird indentation here.

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