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Commit ef473fee authored by Mark Brown's avatar Mark Brown
Browse files

ASoC: Support a wider range of sample rates on Speyside WM8962 



As we've only got one audio interface and it is symmetric we can just set
SYSCLK based on the sample rate requested by the application layer. Provide
a default so bypass paths work before audio playback.

Signed-off-by: default avatarMark Brown <broonie@opensource.wolfsonmicro.com>
parent 0a742681

sound/soc/samsung/speyside_wm8962.c

+6 −2
Original line number Diff line number Diff line
@@ -16,6 +16,8 @@ 


#include "../codecs/wm8962.h"



static int sample_rate = 44100;



static int speyside_wm8962_set_bias_level(struct snd_soc_card *card,

					  struct snd_soc_dapm_context *dapm,

					  enum snd_soc_bias_level level)
@@ -31,13 +33,13 @@ static int speyside_wm8962_set_bias_level(struct snd_soc_card *card, 
		if (dapm->bias_level == SND_SOC_BIAS_STANDBY) {

			ret = snd_soc_dai_set_pll(codec_dai, WM8962_FLL,

						  WM8962_FLL_MCLK, 32768,

						  44100 * 512);

						  sample_rate * 512);

			if (ret < 0)

				pr_err("Failed to start FLL: %d\n", ret);



			ret = snd_soc_dai_set_sysclk(codec_dai,

						     WM8962_SYSCLK_FLL,

						     44100 * 512,

						     sample_rate * 512,

						     SND_SOC_CLOCK_IN);

			if (ret < 0) {

				pr_err("Failed to set SYSCLK: %d\n", ret);
@@ -109,6 +111,8 @@ static int speyside_wm8962_hw_params(struct snd_pcm_substream *substream, 
	if (ret < 0)

		return ret;



	sample_rate = params_rate(params);



	return 0;

}