ASoC: msm8x16-wcd: add speaker gain and prevent reset (d9a4d05c) · Commits · e / devices / android_kernel_xiaomi_markw

sound/soc/codecs/msm8x16-wcd.c

+30 −2

Original line number	Diff line number	Diff line
		@@ -2641,7 +2641,7 @@ static const struct snd_kcontrol_new msm8x16_wcd_snd_controls[] = {
		8, 0, analog_gain),
		SOC_SINGLE_TLV("ADC3 Volume", MSM8X16_WCD_A_ANALOG_TX_3_EN, 3,
		8, 0, analog_gain),

		#ifndef CONFIG_SOUND_CONTROL
		SOC_SINGLE_SX_TLV("RX1 Digital Volume",
		MSM8X16_WCD_A_CDC_RX1_VOL_CTL_B2_CTL,
		0, -84, 40, digital_gain),
		@@ -2651,7 +2651,7 @@ static const struct snd_kcontrol_new msm8x16_wcd_snd_controls[] = {
		SOC_SINGLE_SX_TLV("RX3 Digital Volume",
		MSM8X16_WCD_A_CDC_RX3_VOL_CTL_B2_CTL,
		0, -84, 40, digital_gain),

		#endif
		SOC_SINGLE_SX_TLV("DEC1 Volume",
		MSM8X16_WCD_A_CDC_TX1_VOL_CTL_GAIN,
		0, -84, 40, digital_gain),
		@@ -5879,9 +5879,37 @@ static struct kobj_attribute mic_gain_attribute =
		mic_gain_show,
		mic_gain_store);

		static ssize_t speaker_gain_show(struct kobject *kobj,
		struct kobj_attribute attr, char buf)
		{
		return snprintf(buf, PAGE_SIZE, "%d\n",
		snd_soc_read(sound_control_codec_ptr, MSM8X16_WCD_A_CDC_RX3_VOL_CTL_B2_CTL));
		}

		static ssize_t speaker_gain_store(struct kobject *kobj,
		struct kobj_attribute attr, const char buf, size_t count)
		{
		int input;

		sscanf(buf, "%d", &input);

		if (input < -10 \|\| input > 20)
		input = 0;

		snd_soc_write(sound_control_codec_ptr, MSM8X16_WCD_A_CDC_RX3_VOL_CTL_B2_CTL, input);

		return count;
		}

		static struct kobj_attribute speaker_gain_attribute =
		__ATTR(speaker_gain, 0664,
		speaker_gain_show,
		speaker_gain_store);

		static struct attribute *sound_control_attrs[] = {
		&headphone_gain_attribute.attr,
		&mic_gain_attribute.attr,
		&speaker_gain_attribute.attr,
		NULL,
		};