[PATCH v2 03/20] ASoC: sun4i-i2s: Adjust LRCLK width

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From: Marcus Cooper <codekipper@xxxxxxxxx>

Some codecs such as i2s based HDMI audio and the Pine64 DAC require
a different amount of bit clocks per frame than what is calculated
by the sample width. Use the values obtained by the tdm slot bindings
to adjust the LRCLK width accordingly.

Signed-off-by: Marcus Cooper <codekipper@xxxxxxxxx>
Signed-off-by: Clément Péron <peron.clem@xxxxxxxxx>
Acked-by: Maxime Ripard <maxime@xxxxxxxxxx>
---
 sound/soc/sunxi/sun4i-i2s.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/sound/soc/sunxi/sun4i-i2s.c b/sound/soc/sunxi/sun4i-i2s.c
index acf24f512f2c..1b4482b0f4af 100644
--- a/sound/soc/sunxi/sun4i-i2s.c
+++ b/sound/soc/sunxi/sun4i-i2s.c
@@ -478,6 +478,9 @@ static int sun8i_i2s_set_chan_cfg(const struct sun4i_i2s *i2s,
 		return -EINVAL;
 	}
 
+	if (i2s->slot_width)
+		lrck_period = i2s->slot_width;
+
 	regmap_update_bits(i2s->regmap, SUN4I_I2S_FMT0_REG,
 			   SUN8I_I2S_FMT0_LRCK_PERIOD_MASK,
 			   SUN8I_I2S_FMT0_LRCK_PERIOD(lrck_period));
-- 
2.25.1




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