linux-kernel - [PATCH v6 1/7] ASoC: sun4i-i2s: Move channel select offset

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Message-Id: <20191016070740.121435-2-codekipper@gmail.com>
Date:   Wed, 16 Oct 2019 09:07:34 +0200
From:   codekipper@...il.com
To:     mripard@...nel.org, wens@...e.org, linux-sunxi@...glegroups.com
Cc:     linux-arm-kernel@...ts.infradead.org, lgirdwood@...il.com,
        broonie@...nel.org, linux-kernel@...r.kernel.org,
        alsa-devel@...a-project.org, be17068@...rbole.bo.it,
        Marcus Cooper <codekipper@...il.com>
Subject: [PATCH v6 1/7] ASoC: sun4i-i2s: Move channel select offset

From: Marcus Cooper <codekipper@...il.com>

On the newer SoCs the offset is used to set the mode of the
connection. As it is to be used elsewhere then it makes sense
to move it to the main structure.

Signed-off-by: Marcus Cooper <codekipper@...il.com>
---
 sound/soc/sunxi/sun4i-i2s.c | 22 +++++++++++-----------
 1 file changed, 11 insertions(+), 11 deletions(-)

diff --git a/sound/soc/sunxi/sun4i-i2s.c b/sound/soc/sunxi/sun4i-i2s.c
index d0a8d5810c0a..f1a80973c450 100644
--- a/sound/soc/sunxi/sun4i-i2s.c
+++ b/sound/soc/sunxi/sun4i-i2s.c
@@ -156,7 +156,7 @@ struct sun4i_i2s_quirks {
 	s8	(*get_wss)(const struct sun4i_i2s *, int);
 	int	(*set_chan_cfg)(const struct sun4i_i2s *,
 				const struct snd_pcm_hw_params *);
-	int	(*set_fmt)(const struct sun4i_i2s *, unsigned int);
+	int	(*set_fmt)(struct sun4i_i2s *, unsigned int);
 };
 
 struct sun4i_i2s {
@@ -169,6 +169,7 @@ struct sun4i_i2s {
 	unsigned int	mclk_freq;
 	unsigned int	slots;
 	unsigned int	slot_width;
+	unsigned int	offset;
 
 	struct snd_dmaengine_dai_dma_data	capture_dma_data;
 	struct snd_dmaengine_dai_dma_data	playback_dma_data;
@@ -516,7 +517,7 @@ static int sun4i_i2s_hw_params(struct snd_pcm_substream *substream,
 				      slots, slot_width);
 }
 
-static int sun4i_i2s_set_soc_fmt(const struct sun4i_i2s *i2s,
+static int sun4i_i2s_set_soc_fmt(struct sun4i_i2s *i2s,
 				 unsigned int fmt)
 {
 	u32 val;
@@ -589,11 +590,10 @@ static int sun4i_i2s_set_soc_fmt(const struct sun4i_i2s *i2s,
 	return 0;
 }
 
-static int sun8i_i2s_set_soc_fmt(const struct sun4i_i2s *i2s,
+static int sun8i_i2s_set_soc_fmt(struct sun4i_i2s *i2s,
 				 unsigned int fmt)
 {
 	u32 mode, val;
-	u8 offset;
 
 	/*
 	 * DAI clock polarity
@@ -632,27 +632,27 @@ static int sun8i_i2s_set_soc_fmt(const struct sun4i_i2s *i2s,
 	switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
 	case SND_SOC_DAIFMT_DSP_A:
 		mode = SUN8I_I2S_CTRL_MODE_PCM;
-		offset = 1;
+		i2s->offset = 1;
 		break;
 
 	case SND_SOC_DAIFMT_DSP_B:
 		mode = SUN8I_I2S_CTRL_MODE_PCM;
-		offset = 0;
+		i2s->offset = 0;
 		break;
 
 	case SND_SOC_DAIFMT_I2S:
 		mode = SUN8I_I2S_CTRL_MODE_LEFT;
-		offset = 1;
+		i2s->offset = 1;
 		break;
 
 	case SND_SOC_DAIFMT_LEFT_J:
 		mode = SUN8I_I2S_CTRL_MODE_LEFT;
-		offset = 0;
+		i2s->offset = 0;
 		break;
 
 	case SND_SOC_DAIFMT_RIGHT_J:
 		mode = SUN8I_I2S_CTRL_MODE_RIGHT;
-		offset = 0;
+		i2s->offset = 0;
 		break;
 
 	default:
@@ -663,10 +663,10 @@ static int sun8i_i2s_set_soc_fmt(const struct sun4i_i2s *i2s,
 			   SUN8I_I2S_CTRL_MODE_MASK, mode);
 	regmap_update_bits(i2s->regmap, SUN8I_I2S_TX_CHAN_SEL_REG,
 			   SUN8I_I2S_TX_CHAN_OFFSET_MASK,
-			   SUN8I_I2S_TX_CHAN_OFFSET(offset));
+			   SUN8I_I2S_TX_CHAN_OFFSET(i2s->offset));
 	regmap_update_bits(i2s->regmap, SUN8I_I2S_RX_CHAN_SEL_REG,
 			   SUN8I_I2S_TX_CHAN_OFFSET_MASK,
-			   SUN8I_I2S_TX_CHAN_OFFSET(offset));
+			   SUN8I_I2S_TX_CHAN_OFFSET(i2s->offset));
 
 	/* DAI clock master masks */
 	switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
-- 
2.23.0