linux-kernel - [PATCH v1 4/7] ALSA: hda: cs35l41: Update DSP1RX5/6 Sources for DSP config

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Date: Wed, 10 Apr 2024 16:52:20 +0100
From: Stefan Binding <sbinding@...nsource.cirrus.com>
To: Jaroslav Kysela <perex@...ex.cz>, Takashi Iwai <tiwai@...e.com>
CC: <alsa-devel@...a-project.org>, <linux-sound@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, <patches@...nsource.cirrus.com>,
        "Stefan
 Binding" <sbinding@...nsource.cirrus.com>
Subject: [PATCH v1 4/7] ALSA: hda: cs35l41: Update DSP1RX5/6 Sources for DSP config

Currently, all PC systems are set to use VBSTMON for DSP1RX5_SRC,
however, this is required only for external boost systems.
Internal boost systems require VPMON instead of VBSTMON to be the
input to DSP1RX5_SRC.
All systems require DSP1RX6_SRC to be set to VBSTMON.
Also fix incorrect comment for DACPCM1_SRC to use DSP1TX1.

Signed-off-by: Stefan Binding <sbinding@...nsource.cirrus.com>
---
 sound/pci/hda/cs35l41_hda.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/sound/pci/hda/cs35l41_hda.c b/sound/pci/hda/cs35l41_hda.c
index c2a8e4361eef..875285201bbc 100644
--- a/sound/pci/hda/cs35l41_hda.c
+++ b/sound/pci/hda/cs35l41_hda.c
@@ -102,7 +102,7 @@ static const struct reg_sequence cs35l41_hda_config_dsp[] = {
 	{ CS35L41_SP_HIZ_CTRL,		0x00000003 }, // Hi-Z unused/disabled
 	{ CS35L41_SP_TX_WL,		0x00000018 }, // 24 cycles/slot
 	{ CS35L41_SP_RX_WL,		0x00000018 }, // 24 cycles/slot
-	{ CS35L41_DAC_PCM1_SRC,		0x00000032 }, // DACPCM1_SRC = ERR_VOL
+	{ CS35L41_DAC_PCM1_SRC,		0x00000032 }, // DACPCM1_SRC = DSP1TX1
 	{ CS35L41_ASP_TX1_SRC,		0x00000018 }, // ASPTX1 SRC = VMON
 	{ CS35L41_ASP_TX2_SRC,		0x00000019 }, // ASPTX2 SRC = IMON
 	{ CS35L41_ASP_TX3_SRC,		0x00000028 }, // ASPTX3 SRC = VPMON
@@ -111,7 +111,7 @@ static const struct reg_sequence cs35l41_hda_config_dsp[] = {
 	{ CS35L41_DSP1_RX2_SRC,		0x00000008 }, // DSP1RX2 SRC = ASPRX1
 	{ CS35L41_DSP1_RX3_SRC,         0x00000018 }, // DSP1RX3 SRC = VMON
 	{ CS35L41_DSP1_RX4_SRC,         0x00000019 }, // DSP1RX4 SRC = IMON
-	{ CS35L41_DSP1_RX5_SRC,         0x00000029 }, // DSP1RX5 SRC = VBSTMON
+	{ CS35L41_DSP1_RX6_SRC,         0x00000029 }, // DSP1RX6 SRC = VBSTMON
 };
 
 static const struct reg_sequence cs35l41_hda_unmute[] = {
@@ -693,6 +693,10 @@ static void cs35l41_hda_play_start(struct device *dev)
 	if (cs35l41->cs_dsp.running) {
 		regmap_multi_reg_write(reg, cs35l41_hda_config_dsp,
 				       ARRAY_SIZE(cs35l41_hda_config_dsp));
+		if (cs35l41->hw_cfg.bst_type == CS35L41_INT_BOOST)
+			regmap_write(reg, CS35L41_DSP1_RX5_SRC, CS35L41_INPUT_SRC_VPMON);
+		else
+			regmap_write(reg, CS35L41_DSP1_RX5_SRC, CS35L41_INPUT_SRC_VBSTMON);
 		regmap_update_bits(reg, CS35L41_PWR_CTRL2,
 				   CS35L41_VMON_EN_MASK | CS35L41_IMON_EN_MASK,
 				   1 << CS35L41_VMON_EN_SHIFT | 1 << CS35L41_IMON_EN_SHIFT);
-- 
2.34.1