linux-kernel - [PATCH 08/11] ASoC: cs35l41: Create shared function for setting channels

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Date:   Tue, 23 Nov 2021 16:31:46 +0000
From:   Lucas Tanure <tanureal@...nsource.cirrus.com>
To:     "Rafael J . Wysocki" <rafael@...nel.org>,
        Len Brown <lenb@...nel.org>,
        Hans de Goede <hdegoede@...hat.com>,
        Mark Gross <markgross@...nel.org>,
        "Liam Girdwood" <lgirdwood@...il.com>,
        Jaroslav Kysela <perex@...ex.cz>,
        Mark Brown <broonie@...nel.org>, Takashi Iwai <tiwai@...e.com>,
        Kailang Yang <kailang@...ltek.com>,
        Shuming Fan <shumingf@...ltek.com>,
        "Pierre-Louis Bossart" <pierre-louis.bossart@...ux.intel.com>,
        David Rhodes <david.rhodes@...rus.com>,
        Vitaly Rodionov <vitalyr@...nsource.cirrus.com>
CC:     Jeremy Szu <jeremy.szu@...onical.com>,
        Hui Wang <hui.wang@...onical.com>,
        Werner Sembach <wse@...edocomputers.com>,
        Chris Chiu <chris.chiu@...onical.com>,
        Cameron Berkenpas <cam@...-zeon.de>,
        Sami Loone <sami@...ne.fi>, Elia Devito <eliadevito@...il.com>,
        Srinivas Kandagatla <srinivas.kandagatla@...aro.org>,
        Jack Yu <jack.yu@...ltek.com>, "Arnd Bergmann" <arnd@...db.de>,
        Lars-Peter Clausen <lars@...afoo.de>,
        "Alexandre Belloni" <alexandre.belloni@...tlin.com>,
        <alsa-devel@...a-project.org>, <linux-acpi@...r.kernel.org>,
        <patches@...nsource.cirrus.com>,
        <platform-driver-x86@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>,
        "Lucas Tanure" <tanureal@...nsource.cirrus.com>
Subject: [PATCH 08/11] ASoC: cs35l41: Create shared function for setting channels

ASoC and HDA will use the same register to set channels
for the device

Signed-off-by: Lucas Tanure <tanureal@...nsource.cirrus.com>
---
 include/sound/cs35l41.h        |  3 +++
 sound/soc/codecs/cs35l41-lib.c | 32 ++++++++++++++++++++++++++++++++
 sound/soc/codecs/cs35l41.c     | 30 +++---------------------------
 3 files changed, 38 insertions(+), 27 deletions(-)

diff --git a/include/sound/cs35l41.h b/include/sound/cs35l41.h
index e33bc0ed502d..219f23f643a6 100644
--- a/include/sound/cs35l41.h
+++ b/include/sound/cs35l41.h
@@ -766,5 +766,8 @@ extern struct regmap_config cs35l41_regmap_spi;
 int cs35l41_init_supplies(struct device *dev, struct regulator_bulk_data *supplies);
 int cs35l41_otp_unpack(struct device *dev, struct regmap *regmap);
 int cs35l41_register_errata_patch(struct device *dev, struct regmap *reg, unsigned int reg_revid);
+int cs35l41_set_channels(struct device *dev, struct regmap *reg,
+			 unsigned int tx_num, unsigned int *tx_slot,
+			 unsigned int rx_num, unsigned int *rx_slot);
 
 #endif /* __CS35L41_H */
diff --git a/sound/soc/codecs/cs35l41-lib.c b/sound/soc/codecs/cs35l41-lib.c
index b7a6dbf7fb8b..5bb733bb02a0 100644
--- a/sound/soc/codecs/cs35l41-lib.c
+++ b/sound/soc/codecs/cs35l41-lib.c
@@ -951,3 +951,35 @@ int cs35l41_register_errata_patch(struct device *dev, struct regmap *reg, unsign
 
 	return ret;
 }
+
+int cs35l41_set_channels(struct device *dev, struct regmap *reg,
+			 unsigned int tx_num, unsigned int *tx_slot,
+			 unsigned int rx_num, unsigned int *rx_slot)
+{
+	unsigned int val, mask;
+	int i;
+
+	if (tx_num > 4 || rx_num > 2)
+		return -EINVAL;
+
+	val = 0;
+	mask = 0;
+	for (i = 0; i < rx_num; i++) {
+		dev_dbg(dev, "rx slot %d position = %d\n", i, rx_slot[i]);
+		val |= rx_slot[i] << (i * 8);
+		mask |= 0x3F << (i * 8);
+	}
+	regmap_update_bits(reg, CS35L41_SP_FRAME_RX_SLOT, mask, val);
+
+	val = 0;
+	mask = 0;
+	for (i = 0; i < tx_num; i++) {
+		dev_dbg(dev, "tx slot %d position = %d\n", i, tx_slot[i]);
+		val |= tx_slot[i] << (i * 8);
+		mask |= 0x3F << (i * 8);
+	}
+	regmap_update_bits(reg, CS35L41_SP_FRAME_TX_SLOT, mask, val);
+
+	return 0;
+}
+
diff --git a/sound/soc/codecs/cs35l41.c b/sound/soc/codecs/cs35l41.c
index b1202ac9f264..e61736daef62 100644
--- a/sound/soc/codecs/cs35l41.c
+++ b/sound/soc/codecs/cs35l41.c
@@ -746,36 +746,12 @@ static const struct cs_dsp_region cs35l41_dsp1_regions[] = {
 	{. type = WMFW_ADSP2_YM,	.base = CS35L41_DSP1_YMEM_UNPACK24_0},
 };
 
-static int cs35l41_set_channel_map(struct snd_soc_dai *dai, unsigned int tx_num,
-				   unsigned int *tx_slot, unsigned int rx_num,
-				   unsigned int *rx_slot)
+static int cs35l41_set_channel_map(struct snd_soc_dai *dai, unsigned int tx_n,
+				   unsigned int *tx_slot, unsigned int rx_n, unsigned int *rx_slot)
 {
 	struct cs35l41_private *cs35l41 = snd_soc_component_get_drvdata(dai->component);
-	unsigned int val, mask;
-	int i;
-
-	if (tx_num > 4 || rx_num > 2)
-		return -EINVAL;
 
-	val = 0;
-	mask = 0;
-	for (i = 0; i < rx_num; i++) {
-		dev_dbg(cs35l41->dev, "rx slot %d position = %d\n", i, rx_slot[i]);
-		val |= rx_slot[i] << (i * 8);
-		mask |= 0x3F << (i * 8);
-	}
-	regmap_update_bits(cs35l41->regmap, CS35L41_SP_FRAME_RX_SLOT, mask, val);
-
-	val = 0;
-	mask = 0;
-	for (i = 0; i < tx_num; i++) {
-		dev_dbg(cs35l41->dev, "tx slot %d position = %d\n", i, tx_slot[i]);
-		val |= tx_slot[i] << (i * 8);
-		mask |= 0x3F << (i * 8);
-	}
-	regmap_update_bits(cs35l41->regmap, CS35L41_SP_FRAME_TX_SLOT, mask, val);
-
-	return 0;
+	return cs35l41_set_channels(cs35l41->dev, cs35l41->regmap, tx_n, tx_slot, rx_n, rx_slot);
 }
 
 static int cs35l41_set_dai_fmt(struct snd_soc_dai *dai, unsigned int fmt)
-- 
2.34.0