Commit fa5fdb47 authored by Axel Lin's avatar Axel Lin Committed by Mark Brown
Browse files

ASoC: wm8988: Convert to snd_soc_cache_sync 



Convert to snd_soc_cache_sync for sync reg_cache with the hardware.

Signed-off-by: default avatarAxel Lin <axel.lin@gmail.com>
Signed-off-by: default avatarMark Brown <broonie@opensource.wolfsonmicro.com>
parent 0bad3d84

sound/soc/codecs/wm8988.c

+2 −15
Original line number Diff line number Diff line
@@ -55,7 +55,6 @@ struct wm8988_priv { 
	struct snd_pcm_hw_constraint_list *sysclk_constraints;

};





#define wm8988_reset(c)	snd_soc_write(c, WM8988_RESET, 0)



/*
@@ -676,6 +675,8 @@ static int wm8988_set_bias_level(struct snd_soc_codec *codec, 


	case SND_SOC_BIAS_STANDBY:

		if (codec->dapm.bias_level == SND_SOC_BIAS_OFF) {

			snd_soc_cache_sync(codec);



			/* VREF, VMID=2x5k */

			snd_soc_write(codec, WM8988_PWR1, pwr_reg | 0x1c1);
@@ -736,21 +737,7 @@ static int wm8988_suspend(struct snd_soc_codec *codec, pm_message_t state) 


static int wm8988_resume(struct snd_soc_codec *codec)

{

	int i;

	u8 data[2];

	u16 *cache = codec->reg_cache;



	/* Sync reg_cache with the hardware */

	for (i = 0; i < WM8988_NUM_REG; i++) {

		if (i == WM8988_RESET)

			continue;

		data[0] = (i << 1) | ((cache[i] >> 8) & 0x0001);

		data[1] = cache[i] & 0x00ff;

		codec->hw_write(codec->control_data, data, 2);

	}



	wm8988_set_bias_level(codec, SND_SOC_BIAS_STANDBY);



	return 0;

}