From: Marcus Cooper <codekip...@gmail.com>

Newer SoCs like the H6 have the channel enable bits in a different
position to what is on the H3. As we will eventually add multi-
channel support then create function calls as opposed to regmap
fields to add support for different devices.

Signed-off-by: Marcus Cooper <codekip...@gmail.com>
---
 sound/soc/sunxi/sun4i-i2s.c | 32 +++++++++++++++++++++++++++++---
 1 file changed, 29 insertions(+), 3 deletions(-)

diff --git a/sound/soc/sunxi/sun4i-i2s.c b/sound/soc/sunxi/sun4i-i2s.c
index 875567881f30..8d28a386872f 100644
--- a/sound/soc/sunxi/sun4i-i2s.c
+++ b/sound/soc/sunxi/sun4i-i2s.c
@@ -159,6 +159,8 @@ struct sun4i_i2s_quirks {
        int     (*set_fmt)(struct sun4i_i2s *, unsigned int);
        void    (*set_txchanoffset)(const struct sun4i_i2s *, int);
        void    (*set_rxchanoffset)(const struct sun4i_i2s *);
+       void    (*set_txchanen)(const struct sun4i_i2s *, int, int);
+       void    (*set_rxchanen)(const struct sun4i_i2s *, int);
 };
 
 struct sun4i_i2s {
@@ -462,9 +464,7 @@ static int sun8i_i2s_set_chan_cfg(const struct sun4i_i2s 
*i2s,
                           SUN8I_I2S_FMT0_LRCK_PERIOD_MASK,
                           SUN8I_I2S_FMT0_LRCK_PERIOD(lrck_period));
 
-       regmap_update_bits(i2s->regmap, SUN8I_I2S_TX_CHAN_SEL_REG,
-                          SUN8I_I2S_TX_CHAN_EN_MASK,
-                          SUN8I_I2S_TX_CHAN_EN(channels));
+       i2s->variant->set_txchanen(i2s, 0, channels);
 
        return 0;
 }
@@ -486,6 +486,24 @@ static void sun8i_i2s_set_rxchanoffset(const struct 
sun4i_i2s *i2s)
                           SUN8I_I2S_TX_CHAN_OFFSET(i2s->offset));
 }
 
+static void sun8i_i2s_set_txchanen(const struct sun4i_i2s *i2s, int output,
+                                  int channel)
+{
+       if (output >= 0 && output < 4)
+               regmap_update_bits(i2s->regmap,
+                                  SUN8I_I2S_TX_CHAN_SEL_REG + (output * 4),
+                                  SUN8I_I2S_TX_CHAN_EN_MASK,
+                                  SUN8I_I2S_TX_CHAN_EN(channel));
+}
+
+static void sun8i_i2s_set_rxchanen(const struct sun4i_i2s *i2s, int channel)
+{
+       regmap_update_bits(i2s->regmap,
+                          SUN8I_I2S_RX_CHAN_SEL_REG,
+                          SUN8I_I2S_TX_CHAN_EN_MASK,
+                          SUN8I_I2S_TX_CHAN_EN(channel));
+}
+
 static int sun4i_i2s_hw_params(struct snd_pcm_substream *substream,
                               struct snd_pcm_hw_params *params,
                               struct snd_soc_dai *dai)
@@ -510,6 +528,12 @@ static int sun4i_i2s_hw_params(struct snd_pcm_substream 
*substream,
                return ret;
        }
 
+       if (i2s->variant->set_txchanen)
+               i2s->variant->set_txchanen(i2s, 0, channels);
+
+       if (i2s->variant->set_rxchanen)
+               i2s->variant->set_rxchanen(i2s, channels);
+
        switch (params_physical_width(params)) {
        case 16:
                width = DMA_SLAVE_BUSWIDTH_2_BYTES;
@@ -1155,6 +1179,8 @@ static const struct sun4i_i2s_quirks sun8i_h3_i2s_quirks 
= {
        .set_fmt                = sun8i_i2s_set_soc_fmt,
        .set_txchanoffset       = sun8i_i2s_set_txchanoffset,
        .set_rxchanoffset       = sun8i_i2s_set_rxchanoffset,
+       .set_txchanen           = sun8i_i2s_set_txchanen,
+       .set_rxchanen           = sun8i_i2s_set_rxchanen,
 };
 
 static const struct sun4i_i2s_quirks sun50i_a64_codec_i2s_quirks = {
-- 
2.23.0

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