On Sat, Jul 29, 2017 at 10:17 PM, codekipper@gmail.com wrote:
From: Marcus Cooper codekipper@gmail.com
The newer SoCs do not have this setting. Instead they set the pin direction. Add a check to see if the bit is valid and if so set it accordingly.
Signed-off-by: Marcus Cooper codekipper@gmail.com
sound/soc/sunxi/sun4i-i2s.c | 38 ++++++++++++++++++++++---------------- 1 file changed, 22 insertions(+), 16 deletions(-)
diff --git a/sound/soc/sunxi/sun4i-i2s.c b/sound/soc/sunxi/sun4i-i2s.c index 9e060d1b73d5..1c4d763e3a8e 100644 --- a/sound/soc/sunxi/sun4i-i2s.c +++ b/sound/soc/sunxi/sun4i-i2s.c @@ -96,6 +96,7 @@
- struct sun4i_i2s_quirks - Differences between SoC variants.
- @has_reset: SoC needs reset deasserted.
- @has_slave_select_bit: SoC has a bit to enable slave mode.
- @reg_offset_txdata: offset of the tx fifo.
- @sun4i_i2s_regmap: regmap config to use.
- @mclk_offset: Value by which mclkdiv needs to be adjusted.
@@ -114,6 +115,7 @@ */ struct sun4i_i2s_quirks { bool has_reset;
bool has_slave_select_bit; unsigned int reg_offset_txdata; /* TX FIFO */ const struct regmap_config *sun4i_i2s_regmap; unsigned int mclk_offset;
@@ -391,30 +393,32 @@ static int sun4i_i2s_set_fmt(struct snd_soc_dai *dai, unsigned int fmt) regmap_field_write(i2s->field_fmt_set_bclk_polarity, bclk_polarity); regmap_field_write(i2s->field_fmt_set_lrclk_polarity, lrclk_polarity);
/* DAI clock master masks */
switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
case SND_SOC_DAIFMT_CBS_CFS:
/* BCLK and LRCLK master */
val = SUN4I_I2S_CTRL_MODE_MASTER;
break;
case SND_SOC_DAIFMT_CBM_CFM:
/* BCLK and LRCLK slave */
val = SUN4I_I2S_CTRL_MODE_SLAVE;
break;
default:
return -EINVAL;
if (i2s->variant->has_slave_select_bit) {
/* DAI clock master masks */
switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
case SND_SOC_DAIFMT_CBS_CFS:
/* BCLK and LRCLK master */
val = SUN4I_I2S_CTRL_MODE_MASTER;
break;
case SND_SOC_DAIFMT_CBM_CFM:
/* BCLK and LRCLK slave */
val = SUN4I_I2S_CTRL_MODE_SLAVE;
break;
default:
return -EINVAL;
}
regmap_update_bits(i2s->regmap, SUN4I_I2S_CTRL_REG,
SUN4I_I2S_CTRL_MODE_MASK,
val); }
regmap_update_bits(i2s->regmap, SUN4I_I2S_CTRL_REG,
SUN4I_I2S_CTRL_MODE_MASK,
val);
/* Set significant bits in our FIFOs */ regmap_update_bits(i2s->regmap, SUN4I_I2S_FIFO_CTRL_REG, SUN4I_I2S_FIFO_CTRL_TX_MODE_MASK | SUN4I_I2S_FIFO_CTRL_RX_MODE_MASK, SUN4I_I2S_FIFO_CTRL_TX_MODE(1) | SUN4I_I2S_FIFO_CTRL_RX_MODE(1));
Stray newline. Otherwise,
Reviewed-by: Chen-Yu Tsai wens@csie.org