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Commit 23360532 authored by Laxminath Kasam's avatar Laxminath Kasam
Browse files

asoc: codecs: wcd937x: Update micbias pull up widgets 



Add micbias pullup widgets required for VA usecase.

Change-Id: I3f2d0ce3d409297fb5e2bf0468258aaee9365293
Signed-off-by: default avatarLaxminath Kasam <lkasam@codeaurora.org>
parent 3adccae5

asoc/codecs/wcd937x/wcd937x.c

+59 −0
Original line number Diff line number Diff line
@@ -1642,6 +1642,51 @@ static int wcd937x_codec_enable_micbias(struct snd_soc_dapm_widget *w, 
	return __wcd937x_codec_enable_micbias(w, event);

}



static int __wcd937x_codec_enable_micbias_pullup(struct snd_soc_dapm_widget *w,

						 int event)

{

	struct snd_soc_component *component =

			snd_soc_dapm_to_component(w->dapm);

	int micb_num;



	dev_dbg(component->dev, "%s: wname: %s, event: %d\n",

		__func__, w->name, event);



	if (strnstr(w->name, "VA MIC BIAS1", sizeof("VA MIC BIAS1")))

		micb_num = MIC_BIAS_1;

	else if (strnstr(w->name, "VA MIC BIAS2", sizeof("VA MIC BIAS2")))

		micb_num = MIC_BIAS_2;

	else if (strnstr(w->name, "VA MIC BIAS3", sizeof("VA MIC BIAS3")))

		micb_num = MIC_BIAS_3;

	else

		return -EINVAL;



	switch (event) {

	case SND_SOC_DAPM_PRE_PMU:

		wcd937x_micbias_control(component, micb_num,

					MICB_PULLUP_ENABLE, true);

		break;

	case SND_SOC_DAPM_POST_PMU:

		/* 1 msec delay as per HW requirement */

		usleep_range(1000, 1100);

		break;

	case SND_SOC_DAPM_POST_PMD:

		wcd937x_micbias_control(component, micb_num,

					MICB_PULLUP_DISABLE, true);

		break;

	};



	return 0;



}



static int wcd937x_codec_enable_micbias_pullup(struct snd_soc_dapm_widget *w,

					       struct snd_kcontrol *kcontrol,

					       int event)

{

	return __wcd937x_codec_enable_micbias_pullup(w, event);

}



static int wcd937x_rx_hph_mode_get(struct snd_kcontrol *kcontrol,

				 struct snd_ctl_elem_value *ucontrol)

{
@@ -2052,6 +2097,20 @@ static const struct snd_soc_dapm_widget wcd937x_dapm_widgets[] = { 
	SND_SOC_DAPM_OUTPUT("HPHL"),

	SND_SOC_DAPM_OUTPUT("HPHR"),



	/* micbias pull up widgets*/

	SND_SOC_DAPM_MICBIAS_E("VA MIC BIAS1", SND_SOC_NOPM, 0, 0,

				wcd937x_codec_enable_micbias_pullup,

				SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU |

				SND_SOC_DAPM_POST_PMD),

	SND_SOC_DAPM_MICBIAS_E("VA MIC BIAS2", SND_SOC_NOPM, 0, 0,

				wcd937x_codec_enable_micbias_pullup,

				SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU |

				SND_SOC_DAPM_POST_PMD),

	SND_SOC_DAPM_MICBIAS_E("VA MIC BIAS3", SND_SOC_NOPM, 0, 0,

				wcd937x_codec_enable_micbias_pullup,

				SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU |

				SND_SOC_DAPM_POST_PMD),



};



static const struct snd_soc_dapm_widget wcd9375_dapm_widgets[] = {