ASoC: cs35l41: Move cs35l41 fs errata into shared code

This sequence is required to setup firmware, and will
be needed for hda driver.

Signed-off-by: Stefan Binding <sbinding@opensource.cirrus.com>
Signed-off-by: Vitaly Rodionov <vitalyr@opensource.cirrus.com>
Acked-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Link: https://lore.kernel.org/r/20220509214703.4482-8-vitalyr@opensource.cirrus.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>

Author: Stefan Binding

include/sound/cs35l41.h

@@ -879,6 +879,7 @@ int cs35l41_set_channels(struct device *dev, struct regmap *reg,
 int cs35l41_gpio_config(struct regmap *regmap, struct cs35l41_hw_cfg *hw_cfg);
 int cs35l41_set_cspl_mbox_cmd(struct device *dev, struct regmap *regmap,
 			      enum cs35l41_cspl_mbox_cmd cmd);
+int cs35l41_write_fs_errata(struct device *dev, struct regmap *regmap);
 int cs35l41_init_boost(struct device *dev, struct regmap *regmap,
 		       struct cs35l41_hw_cfg *hw_cfg);
 bool cs35l41_safe_reset(struct regmap *regmap, enum cs35l41_boost_type b_type);

sound/soc/codecs/cs35l41-lib.c

@@ -667,6 +667,25 @@ static const struct reg_sequence cs35l41_revb2_errata_patch[] = {
 	{ CS35L41_AMP_GAIN_CTRL,	 0x00000000 },
 };
 
+static const struct reg_sequence cs35l41_fs_errata_patch[] = {
+	{ CS35L41_DSP1_RX1_RATE,	0x00000001 },
+	{ CS35L41_DSP1_RX2_RATE,	0x00000001 },
+	{ CS35L41_DSP1_RX3_RATE,	0x00000001 },
+	{ CS35L41_DSP1_RX4_RATE,	0x00000001 },
+	{ CS35L41_DSP1_RX5_RATE,	0x00000001 },
+	{ CS35L41_DSP1_RX6_RATE,	0x00000001 },
+	{ CS35L41_DSP1_RX7_RATE,	0x00000001 },
+	{ CS35L41_DSP1_RX8_RATE,	0x00000001 },
+	{ CS35L41_DSP1_TX1_RATE,	0x00000001 },
+	{ CS35L41_DSP1_TX2_RATE,	0x00000001 },
+	{ CS35L41_DSP1_TX3_RATE,	0x00000001 },
+	{ CS35L41_DSP1_TX4_RATE,	0x00000001 },
+	{ CS35L41_DSP1_TX5_RATE,	0x00000001 },
+	{ CS35L41_DSP1_TX6_RATE,	0x00000001 },
+	{ CS35L41_DSP1_TX7_RATE,	0x00000001 },
+	{ CS35L41_DSP1_TX8_RATE,	0x00000001 },
+};
+
 static const struct cs35l41_otp_map_element_t cs35l41_otp_map_map[] = {
 	{
 		.id = 0x01,
@@ -1263,6 +1282,19 @@ int cs35l41_set_cspl_mbox_cmd(struct device *dev, struct regmap *regmap,
 }
 EXPORT_SYMBOL_GPL(cs35l41_set_cspl_mbox_cmd);
 
+int cs35l41_write_fs_errata(struct device *dev, struct regmap *regmap)
+{
+	int ret;
+
+	ret = regmap_multi_reg_write(regmap, cs35l41_fs_errata_patch,
+				     ARRAY_SIZE(cs35l41_fs_errata_patch));
+	if (ret < 0)
+		dev_err(dev, "Failed to write fs errata: %d\n", ret);
+
+	return ret;
+}
+EXPORT_SYMBOL_GPL(cs35l41_write_fs_errata);
+
 MODULE_DESCRIPTION("CS35L41 library");
 MODULE_AUTHOR("David Rhodes, Cirrus Logic Inc, <david.rhodes@cirrus.com>");
 MODULE_AUTHOR("Lucas Tanure, Cirrus Logic Inc, <tanureal@opensource.cirrus.com>");

sound/soc/codecs/cs35l41.c

@@ -1093,25 +1093,6 @@ static int cs35l41_handle_pdata(struct device *dev, struct cs35l41_hw_cfg *hw_cf
 	return 0;
 }
 
-static const struct reg_sequence cs35l41_fs_errata_patch[] = {
-	{ CS35L41_DSP1_RX1_RATE,	0x00000001 },
-	{ CS35L41_DSP1_RX2_RATE,	0x00000001 },
-	{ CS35L41_DSP1_RX3_RATE,	0x00000001 },
-	{ CS35L41_DSP1_RX4_RATE,	0x00000001 },
-	{ CS35L41_DSP1_RX5_RATE,	0x00000001 },
-	{ CS35L41_DSP1_RX6_RATE,	0x00000001 },
-	{ CS35L41_DSP1_RX7_RATE,	0x00000001 },
-	{ CS35L41_DSP1_RX8_RATE,	0x00000001 },
-	{ CS35L41_DSP1_TX1_RATE,	0x00000001 },
-	{ CS35L41_DSP1_TX2_RATE,	0x00000001 },
-	{ CS35L41_DSP1_TX3_RATE,	0x00000001 },
-	{ CS35L41_DSP1_TX4_RATE,	0x00000001 },
-	{ CS35L41_DSP1_TX5_RATE,	0x00000001 },
-	{ CS35L41_DSP1_TX6_RATE,	0x00000001 },
-	{ CS35L41_DSP1_TX7_RATE,	0x00000001 },
-	{ CS35L41_DSP1_TX8_RATE,	0x00000001 },
-};
-
 static int cs35l41_dsp_init(struct cs35l41_private *cs35l41)
 {
 	struct wm_adsp *dsp;
@@ -1132,12 +1113,9 @@ static int cs35l41_dsp_init(struct cs35l41_private *cs35l41)
 	dsp->cs_dsp.num_mems = ARRAY_SIZE(cs35l41_dsp1_regions);
 	dsp->cs_dsp.lock_regions = 0xFFFFFFFF;
 
-	ret = regmap_multi_reg_write(cs35l41->regmap, cs35l41_fs_errata_patch,
-				     ARRAY_SIZE(cs35l41_fs_errata_patch));
-	if (ret < 0) {
-		dev_err(cs35l41->dev, "Failed to write fs errata: %d\n", ret);
+	ret = cs35l41_write_fs_errata(cs35l41->dev, cs35l41->regmap);
+	if (ret < 0)
 		return ret;
-	}
 
 	ret = wm_halo_init(dsp);
 	if (ret) {