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Commit f69f86b1 authored by Charles Keepax's avatar Charles Keepax Committed by Mark Brown
Browse files

ASoC: wm5110: Add post SYSCLK register patch for rev D chip 



Certain registers require patching after the SYSCLK has been brought up
add support for this into the CODEC driver.

Signed-off-by: default avatarCharles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: default avatarMark Brown <broonie@linaro.org>
Cc: stable@vger.kernel.org
parent 9645083c

sound/soc/codecs/wm5110.c

+42 −1
Original line number Diff line number Diff line
@@ -37,6 +37,47 @@ struct wm5110_priv { 
	struct arizona_fll fll[2];

};



static const struct reg_default wm5110_sysclk_revd_patch[] = {

	{ 0x3093, 0x1001 },

	{ 0x30E3, 0x1301 },

	{ 0x3133, 0x1201 },

	{ 0x3183, 0x1501 },

	{ 0x31D3, 0x1401 },

};



static int wm5110_sysclk_ev(struct snd_soc_dapm_widget *w,

			    struct snd_kcontrol *kcontrol, int event)

{

	struct snd_soc_codec *codec = w->codec;

	struct arizona *arizona = dev_get_drvdata(codec->dev->parent);

	struct regmap *regmap = codec->control_data;

	const struct reg_default *patch = NULL;

	int i, patch_size;



	switch (arizona->rev) {

	case 3:

		patch = wm5110_sysclk_revd_patch;

		patch_size = ARRAY_SIZE(wm5110_sysclk_revd_patch);

		break;

	default:

		return 0;

	}



	switch (event) {

	case SND_SOC_DAPM_POST_PMU:

		if (patch)

			for (i = 0; i < patch_size; i++)

				regmap_write(regmap, patch[i].reg,

					     patch[i].def);

		break;



	default:

		break;

	}



	return 0;

}



static DECLARE_TLV_DB_SCALE(ana_tlv, 0, 100, 0);

static DECLARE_TLV_DB_SCALE(eq_tlv, -1200, 100, 0);

static DECLARE_TLV_DB_SCALE(digital_tlv, -6400, 50, 0);
@@ -400,7 +441,7 @@ static const struct snd_kcontrol_new wm5110_aec_loopback_mux = 


static const struct snd_soc_dapm_widget wm5110_dapm_widgets[] = {

SND_SOC_DAPM_SUPPLY("SYSCLK", ARIZONA_SYSTEM_CLOCK_1, ARIZONA_SYSCLK_ENA_SHIFT,

		    0, NULL, 0),

		    0, wm5110_sysclk_ev, SND_SOC_DAPM_POST_PMU),

SND_SOC_DAPM_SUPPLY("ASYNCCLK", ARIZONA_ASYNC_CLOCK_1,

		    ARIZONA_ASYNC_CLK_ENA_SHIFT, 0, NULL, 0),

SND_SOC_DAPM_SUPPLY("OPCLK", ARIZONA_OUTPUT_SYSTEM_CLOCK,