[alsa-devel] [PATCH 2/3] ASoC: atmel_wm8904: make it available to choose clock

Mark Brown broonie at kernel.org
Tue Jan 14 21:36:50 CET 2014


On Tue, Jan 14, 2014 at 11:25:55AM +0800, Bo Shen wrote:
> Make it available to choose the clock from TK pin or RK pin. This
> is hardware design decided.

> --- a/sound/soc/atmel/atmel_wm8904.c
> +++ b/sound/soc/atmel/atmel_wm8904.c
> @@ -108,6 +108,7 @@ static int atmel_asoc_wm8904_dt_init(struct platform_device *pdev)
>  	struct device_node *codec_np, *cpu_np;
>  	struct snd_soc_card *card = &atmel_asoc_wm8904_card;
>  	struct snd_soc_dai_link *dailink = &atmel_asoc_wm8904_dailink;
> +	struct atmel_ssc_info *ssc_info;
>  	int ret;
>  
>  	if (!np) {
> @@ -115,6 +116,15 @@ static int atmel_asoc_wm8904_dt_init(struct platform_device *pdev)
>  		return -EINVAL;
>  	}
>  
> +	ssc_info = devm_kzalloc(&pdev->dev, sizeof(*ssc_info), GFP_KERNEL);
> +	if (!ssc_info)
> +		return -ENOMEM;
> +
> +	ssc_info->clk_from_rk_pin =
> +		of_property_read_bool(np, "clk_from_rk_pin");
> +
> +	card->drvdata = (void *)ssc_info;

Shouldn't this code be in the DAI driver?  Otherwise this series looks
fine to me, though the DT folks might have something to say I guess.
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