ASoC: cs35l35: Add for configuring drive mode in unused slots
Add support for setting how the I2S pins are driven in unused slots,
currently the chip will just use the default of drive 0, however this
causes issues when multiple devices are attached to the same bus.
Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Acked-by: Brian Austin <brian.austin@cirrus.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
diff --git a/sound/soc/codecs/cs35l35.h b/sound/soc/codecs/cs35l35.h
index e27a7fe..c203081 100644
--- a/sound/soc/codecs/cs35l35.h
+++ b/sound/soc/codecs/cs35l35.h
@@ -190,6 +190,10 @@
#define CS35L35_AMP_GAIN_ZC_MASK 0x10
#define CS35L35_AMP_GAIN_ZC_SHIFT 4
+/* CS35L35_SP_FMT_CTL3 */
+#define CS35L35_SP_I2S_DRV_MASK 0x03
+#define CS35L35_SP_I2S_DRV_SHIFT 0
+
/* Class H Algorithm Control */
#define CS35L35_CH_STEREO_MASK 0x40
#define CS35L35_CH_STEREO_SHIFT 6