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-rw-r--r--include/sound/cs35l35.h2
-rw-r--r--sound/soc/codecs/cs35l35.c7
-rw-r--r--sound/soc/codecs/cs35l35.h4
3 files changed, 13 insertions, 0 deletions
diff --git a/include/sound/cs35l35.h b/include/sound/cs35l35.h
index de92e452bf93..983c610eba2e 100644
--- a/include/sound/cs35l35.h
+++ b/include/sound/cs35l35.h
@@ -80,6 +80,8 @@ struct cs35l35_platform_data {
bool stereo;
/* serial port drive strength */
int sp_drv_str;
+ /* serial port drive in unused slots */
+ int sp_drv_unused;
/* Boost Power Down with FET */
bool bst_pdn_fet_on;
/* Boost Voltage : used if ClassH Algo Enabled */
diff --git a/sound/soc/codecs/cs35l35.c b/sound/soc/codecs/cs35l35.c
index 48b45dc904ea..5a9fe5addb86 100644
--- a/sound/soc/codecs/cs35l35.c
+++ b/sound/soc/codecs/cs35l35.c
@@ -789,6 +789,11 @@ static int cs35l35_codec_probe(struct snd_soc_codec *codec)
CS35L35_SP_DRV_MASK,
cs35l35->pdata.sp_drv_str <<
CS35L35_SP_DRV_SHIFT);
+ if (cs35l35->pdata.sp_drv_unused)
+ regmap_update_bits(cs35l35->regmap, CS35L35_SP_FMT_CTL3,
+ CS35L35_SP_I2S_DRV_MASK,
+ cs35l35->pdata.sp_drv_unused <<
+ CS35L35_SP_I2S_DRV_SHIFT);
if (classh->classh_algo_enable) {
if (classh->classh_bst_override)
@@ -1169,6 +1174,8 @@ static int cs35l35_handle_of_data(struct i2c_client *i2c_client,
if (of_property_read_u32(np, "cirrus,sp-drv-strength", &val32) >= 0)
pdata->sp_drv_str = val32;
+ if (of_property_read_u32(np, "cirrus,sp-drv-unused", &val32) >= 0)
+ pdata->sp_drv_unused = val32 | CS35L35_VALID_PDATA;
pdata->stereo = of_property_read_bool(np, "cirrus,stereo-config");
diff --git a/sound/soc/codecs/cs35l35.h b/sound/soc/codecs/cs35l35.h
index e27a7fef5fb1..c203081fc94c 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