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Commit e86a6483 authored by Vidyakumar Athota's avatar Vidyakumar Athota
Browse files

ASoC: wcd9335: fix IV sense phase issue 



IV sense inputs are out of phase during playback
pause and resume scenario. Fix this issue by resetting
the decimator in start up sequence to clear decimator
data path.

Change-Id: Iecd235abb94259c7e8876e10377a3afd985513b2
Signed-off-by: default avatarVidyakumar Athota <vathota@codeaurora.org>
parent 50e0173f

sound/soc/codecs/wcd9335.c

+33 −0
Original line number Diff line number Diff line
@@ -2577,6 +2577,11 @@ static int tasha_codec_enable_slimvi_feedback(struct snd_soc_dapm_widget *w, 
		if (test_bit(VI_SENSE_1, &tasha_p->status_mask)) {

			dev_dbg(codec->dev, "%s: spkr1 enabled\n", __func__);

			/* Enable V&I sensing */

			snd_soc_update_bits(codec,

				WCD9335_CDC_TX9_SPKR_PROT_PATH_CTL, 0x20, 0x20);

			snd_soc_update_bits(codec,

				WCD9335_CDC_TX10_SPKR_PROT_PATH_CTL, 0x20,

				0x20);

			snd_soc_update_bits(codec,

				WCD9335_CDC_TX9_SPKR_PROT_PATH_CTL, 0x0F, 0x00);

			snd_soc_update_bits(codec,
@@ -2587,10 +2592,21 @@ static int tasha_codec_enable_slimvi_feedback(struct snd_soc_dapm_widget *w, 
			snd_soc_update_bits(codec,

				WCD9335_CDC_TX10_SPKR_PROT_PATH_CTL, 0x10,

				0x10);

			snd_soc_update_bits(codec,

				WCD9335_CDC_TX9_SPKR_PROT_PATH_CTL, 0x20, 0x00);

			snd_soc_update_bits(codec,

				WCD9335_CDC_TX10_SPKR_PROT_PATH_CTL, 0x20,

				0x00);

		}

		if (test_bit(VI_SENSE_2, &tasha_p->status_mask)) {

			pr_debug("%s: spkr2 enabled\n", __func__);

			/* Enable V&I sensing */

			snd_soc_update_bits(codec,

				WCD9335_CDC_TX11_SPKR_PROT_PATH_CTL, 0x20,

				0x20);

			snd_soc_update_bits(codec,

				WCD9335_CDC_TX12_SPKR_PROT_PATH_CTL, 0x20,

				0x20);

			snd_soc_update_bits(codec,

				WCD9335_CDC_TX11_SPKR_PROT_PATH_CTL, 0x0F,

				0x00);
@@ -2603,6 +2619,12 @@ static int tasha_codec_enable_slimvi_feedback(struct snd_soc_dapm_widget *w, 
			snd_soc_update_bits(codec,

				WCD9335_CDC_TX12_SPKR_PROT_PATH_CTL, 0x10,

				0x10);

			snd_soc_update_bits(codec,

				WCD9335_CDC_TX11_SPKR_PROT_PATH_CTL, 0x20,

				0x00);

			snd_soc_update_bits(codec,

				WCD9335_CDC_TX12_SPKR_PROT_PATH_CTL, 0x20,

				0x00);

		}

		dai->bus_down_in_recovery = false;

		tasha_codec_enable_int_port(dai, codec);
@@ -2629,6 +2651,11 @@ static int tasha_codec_enable_slimvi_feedback(struct snd_soc_dapm_widget *w, 
		if (test_bit(VI_SENSE_1, &tasha_p->status_mask)) {

			/* Disable V&I sensing */

			dev_dbg(codec->dev, "%s: spkr1 disabled\n", __func__);

			snd_soc_update_bits(codec,

				WCD9335_CDC_TX9_SPKR_PROT_PATH_CTL, 0x20, 0x20);

			snd_soc_update_bits(codec,

				WCD9335_CDC_TX10_SPKR_PROT_PATH_CTL, 0x20,

				0x20);

			snd_soc_update_bits(codec,

				WCD9335_CDC_TX9_SPKR_PROT_PATH_CTL, 0x10, 0x00);

			snd_soc_update_bits(codec,
@@ -2638,6 +2665,12 @@ static int tasha_codec_enable_slimvi_feedback(struct snd_soc_dapm_widget *w, 
		if (test_bit(VI_SENSE_2, &tasha_p->status_mask)) {

			/* Disable V&I sensing */

			dev_dbg(codec->dev, "%s: spkr2 disabled\n", __func__);

			snd_soc_update_bits(codec,

				WCD9335_CDC_TX11_SPKR_PROT_PATH_CTL, 0x20,

				0x20);

			snd_soc_update_bits(codec,

				WCD9335_CDC_TX12_SPKR_PROT_PATH_CTL, 0x20,

				0x20);

			snd_soc_update_bits(codec,

				WCD9335_CDC_TX11_SPKR_PROT_PATH_CTL, 0x10,

				0x00);