ASoC: cs35l56: Remove SDW1 TX5 and TX6

Reduce SDW1 to 4 channels and remove the controls for SDW1
TX5 and TX6.

The TX5 and TX6 channels have been removed from B0 silicon.
There is no need to support them on A1 silicon.

Signed-off-by: Richard Fitzgerald <rf@opensource.cirrus.com>
Link: https://lore.kernel.org/r/20230418144309.1100721-3-rf@opensource.cirrus.com
Signed-off-by: Mark Brown <broonie@kernel.org>

Author: rfvirgil

include/sound/cs35l56.h

@@ -43,8 +43,6 @@
 #define CS35L56_SWIRE_DP3_CH2_INPUT			0x0004C74
 #define CS35L56_SWIRE_DP3_CH3_INPUT			0x0004C78
 #define CS35L56_SWIRE_DP3_CH4_INPUT			0x0004C7C
-#define CS35L56_SWIRE_DP3_CH5_INPUT			0x0004C80
-#define CS35L56_SWIRE_DP3_CH6_INPUT			0x0004C84
 #define CS35L56_IRQ1_CFG				0x000E000
 #define CS35L56_IRQ1_STATUS				0x000E004
 #define CS35L56_IRQ1_EINT_1				0x000E010
@@ -262,7 +260,6 @@ extern const struct cs_dsp_region cs35l56_dsp1_regions[CS35L56_NUM_DSP_REGIONS];
 extern const char * const cs35l56_tx_input_texts[CS35L56_NUM_INPUT_SRC];
 extern const unsigned int cs35l56_tx_input_values[CS35L56_NUM_INPUT_SRC];
 
-void cs35l56_patch(struct device *dev, struct regmap *regmap, u8 revid);
 void cs35l56_reread_firmware_registers(struct device *dev, struct regmap *regmap);
 int cs35l56_get_bclk_freq_id(unsigned int freq);
 void cs35l56_fill_supply_names(struct regulator_bulk_data *data);

sound/soc/codecs/cs35l56-shared.c

@@ -28,8 +28,6 @@ static const struct reg_default cs35l56_reg_defaults[] = {
 	{ CS35L56_SWIRE_DP3_CH2_INPUT,		0x00000019 },
 	{ CS35L56_SWIRE_DP3_CH3_INPUT,		0x00000029 },
 	{ CS35L56_SWIRE_DP3_CH4_INPUT,		0x00000028 },
-	{ CS35L56_SWIRE_DP3_CH5_INPUT,		0x00000018 },
-	{ CS35L56_SWIRE_DP3_CH6_INPUT,		0x00000018 },
 	{ CS35L56_IRQ1_CFG,			0x00000000 },
 	{ CS35L56_IRQ1_MASK_1,			0x83ffffff },
 	{ CS35L56_IRQ1_MASK_2,			0xffff7fff },
@@ -42,29 +40,6 @@ static const struct reg_default cs35l56_reg_defaults[] = {
 	/* CS35L56_MAIN_POSTURE_NUMBER - soft register, no default	*/
 };
 
-/*
- * The Ax devices have different default register values to that of B0,
- * establish a common set of register defaults.
- */
-static const struct reg_sequence cs35l56_reva_patch[] = {
-	{ CS35L56_SWIRE_DP3_CH5_INPUT,	0x00000018 },
-	{ CS35L56_SWIRE_DP3_CH6_INPUT,	0x00000018 },
-};
-
-void cs35l56_patch(struct device *dev, struct regmap *regmap, u8 revid)
-{
-	int ret;
-
-	if (revid >= CS35L56_REVID_B0)
-		return;
-
-	ret = regmap_register_patch(regmap, cs35l56_reva_patch,
-				    ARRAY_SIZE(cs35l56_reva_patch));
-	if (ret)
-		dev_err(dev, "Failed to apply patch: %d\n", ret);
-}
-EXPORT_SYMBOL_NS_GPL(cs35l56_patch, SND_SOC_CS35L56_SHARED);
-
 static bool cs35l56_is_dsp_memory(unsigned int reg)
 {
 	switch (reg) {
@@ -114,8 +89,6 @@ static bool cs35l56_readable_reg(struct device *dev, unsigned int reg)
 	case CS35L56_SWIRE_DP3_CH2_INPUT:
 	case CS35L56_SWIRE_DP3_CH3_INPUT:
 	case CS35L56_SWIRE_DP3_CH4_INPUT:
-	case CS35L56_SWIRE_DP3_CH5_INPUT:
-	case CS35L56_SWIRE_DP3_CH6_INPUT:
 	case CS35L56_IRQ1_CFG:
 	case CS35L56_IRQ1_STATUS:
 	case CS35L56_IRQ1_EINT_1 ... CS35L56_IRQ1_EINT_8:

sound/soc/codecs/cs35l56.c

@@ -166,24 +166,6 @@ static SOC_VALUE_ENUM_SINGLE_DECL(cs35l56_sdw1tx4_enum,
 static const struct snd_kcontrol_new sdw1_tx4_mux =
 	SOC_DAPM_ENUM("SDW1TX4 SRC", cs35l56_sdw1tx4_enum);
 
-static SOC_VALUE_ENUM_SINGLE_DECL(cs35l56_sdw1tx5_enum,
-				CS35L56_SWIRE_DP3_CH5_INPUT,
-				0, CS35L56_SWIRETXn_SRC_MASK,
-				cs35l56_tx_input_texts,
-				cs35l56_tx_input_values);
-
-static const struct snd_kcontrol_new sdw1_tx5_mux =
-	SOC_DAPM_ENUM("SDW1TX5 SRC", cs35l56_sdw1tx5_enum);
-
-static SOC_VALUE_ENUM_SINGLE_DECL(cs35l56_sdw1tx6_enum,
-				CS35L56_SWIRE_DP3_CH6_INPUT,
-				0, CS35L56_SWIRETXn_SRC_MASK,
-				cs35l56_tx_input_texts,
-				cs35l56_tx_input_values);
-
-static const struct snd_kcontrol_new sdw1_tx6_mux =
-	SOC_DAPM_ENUM("SDW1TX6 SRC", cs35l56_sdw1tx6_enum);
-
 static int cs35l56_play_event(struct snd_soc_dapm_widget *w,
 			      struct snd_kcontrol *kcontrol, int event)
 {
@@ -251,8 +233,6 @@ static const struct snd_soc_dapm_widget cs35l56_dapm_widgets[] = {
 	SND_SOC_DAPM_MUX("SDW1 TX2 Source", SND_SOC_NOPM, 0, 0, &sdw1_tx2_mux),
 	SND_SOC_DAPM_MUX("SDW1 TX3 Source", SND_SOC_NOPM, 0, 0, &sdw1_tx3_mux),
 	SND_SOC_DAPM_MUX("SDW1 TX4 Source", SND_SOC_NOPM, 0, 0, &sdw1_tx4_mux),
-	SND_SOC_DAPM_MUX("SDW1 TX5 Source", SND_SOC_NOPM, 0, 0, &sdw1_tx5_mux),
-	SND_SOC_DAPM_MUX("SDW1 TX6 Source", SND_SOC_NOPM, 0, 0, &sdw1_tx6_mux),
 
 	SND_SOC_DAPM_SIGGEN("VMON ADC"),
 	SND_SOC_DAPM_SIGGEN("IMON ADC"),
@@ -318,14 +298,10 @@ static const struct snd_soc_dapm_route cs35l56_audio_map[] = {
 	CS35L56_SRC_ROUTE("SDW1 TX2")
 	CS35L56_SRC_ROUTE("SDW1 TX3")
 	CS35L56_SRC_ROUTE("SDW1 TX4")
-	CS35L56_SRC_ROUTE("SDW1 TX5")
-	CS35L56_SRC_ROUTE("SDW1 TX6")
 	{ "SDW1 Capture", NULL, "SDW1 TX1 Source" },
 	{ "SDW1 Capture", NULL, "SDW1 TX2 Source" },
 	{ "SDW1 Capture", NULL, "SDW1 TX3 Source" },
 	{ "SDW1 Capture", NULL, "SDW1 TX4 Source" },
-	{ "SDW1 Capture", NULL, "SDW1 TX5 Source" },
-	{ "SDW1 Capture", NULL, "SDW1 TX6 Source" },
 };
 
 static int cs35l56_dsp_event(struct snd_soc_dapm_widget *w,
@@ -779,7 +755,7 @@ static struct snd_soc_dai_driver cs35l56_dai[] = {
 		.capture = {
 			.stream_name = "SDW1 Capture",
 			.channels_min = 1,
-			.channels_max = 6,
+			.channels_max = 4,
 			.rates = CS35L56_RATES,
 			.formats = CS35L56_TX_FORMATS,
 		},
@@ -1535,8 +1511,6 @@ int cs35l56_init(struct cs35l56_private *cs35l56)
 	dev_info(cs35l56->dev, "Cirrus Logic CS35L56%s Rev %02X OTP%d\n",
 		 cs35l56->secured ? "s" : "", cs35l56->rev, otpid);
 
-	cs35l56_patch(cs35l56->dev, cs35l56->regmap, cs35l56->rev);
-
 	/* Wake source and *_BLOCKED interrupts default to unmasked, so mask them */
 	regmap_write(cs35l56->regmap, CS35L56_IRQ1_MASK_20, 0xffffffff);
 	regmap_update_bits(cs35l56->regmap, CS35L56_IRQ1_MASK_1,