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authorMark Brown <broonie@opensource.wolfsonmicro.com>2011-08-01 04:10:16 (GMT)
committerMark Brown <broonie@opensource.wolfsonmicro.com>2011-08-01 13:14:49 (GMT)
commit4537c4e7618d05c77e9f8c5259c977f927a37e2f (patch)
tree77db5f2e919cace15a8f8d3f0043bf8310fb989c
parent79ef0abcd85842bc12ffb3297b958565f060464c (diff)
downloadlinux-fsl-qoriq-4537c4e7618d05c77e9f8c5259c977f927a37e2f.tar.xz
ASoC: Support separate left and right channel dcs_codes values
Some devices can have performance optimized by setting different offsets for left and right channels. Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Acked-by: Liam Girdwood <lrg@ti.com>
-rw-r--r--sound/soc/codecs/wm8993.c3
-rw-r--r--sound/soc/codecs/wm8994.c3
-rw-r--r--sound/soc/codecs/wm_hubs.c13
-rw-r--r--sound/soc/codecs/wm_hubs.h3
4 files changed, 13 insertions, 9 deletions
diff --git a/sound/soc/codecs/wm8993.c b/sound/soc/codecs/wm8993.c
index 6e85b88..f014e56 100644
--- a/sound/soc/codecs/wm8993.c
+++ b/sound/soc/codecs/wm8993.c
@@ -1433,7 +1433,8 @@ static int wm8993_probe(struct snd_soc_codec *codec)
int ret, i, val;
wm8993->hubs_data.hp_startup_mode = 1;
- wm8993->hubs_data.dcs_codes = -2;
+ wm8993->hubs_data.dcs_codes_l = -2;
+ wm8993->hubs_data.dcs_codes_r = -2;
wm8993->hubs_data.series_startup = 1;
ret = snd_soc_codec_set_cache_io(codec, 8, 16, SND_SOC_I2C);
diff --git a/sound/soc/codecs/wm8994.c b/sound/soc/codecs/wm8994.c
index c095689..fb5c961 100644
--- a/sound/soc/codecs/wm8994.c
+++ b/sound/soc/codecs/wm8994.c
@@ -2973,7 +2973,8 @@ static int wm8994_codec_probe(struct snd_soc_codec *codec)
switch (wm8994->revision) {
case 2:
case 3:
- wm8994->hubs.dcs_codes = -5;
+ wm8994->hubs.dcs_codes_l = -5;
+ wm8994->hubs.dcs_codes_r = -5;
wm8994->hubs.hp_startup_mode = 1;
wm8994->hubs.dcs_readback_mode = 1;
wm8994->hubs.series_startup = 1;
diff --git a/sound/soc/codecs/wm_hubs.c b/sound/soc/codecs/wm_hubs.c
index 84a84f4..26e21d0 100644
--- a/sound/soc/codecs/wm_hubs.c
+++ b/sound/soc/codecs/wm_hubs.c
@@ -179,18 +179,19 @@ static void calibrate_dc_servo(struct snd_soc_codec *codec)
dev_dbg(codec->dev, "DCS input: %x %x\n", reg_l, reg_r);
/* Apply correction to DC servo result */
- if (hubs->dcs_codes) {
- dev_dbg(codec->dev, "Applying %d code DC servo correction\n",
- hubs->dcs_codes);
+ if (hubs->dcs_codes_l || hubs->dcs_codes_r) {
+ dev_dbg(codec->dev,
+ "Applying %d/%d code DC servo correction\n",
+ hubs->dcs_codes_l, hubs->dcs_codes_r);
/* HPOUT1R */
offset = reg_r;
- offset += hubs->dcs_codes;
+ offset += hubs->dcs_codes_r;
dcs_cfg = (u8)offset << WM8993_DCS_DAC_WR_VAL_1_SHIFT;
/* HPOUT1L */
offset = reg_l;
- offset += hubs->dcs_codes;
+ offset += hubs->dcs_codes_l;
dcs_cfg |= (u8)offset;
dev_dbg(codec->dev, "DCS result: %x\n", dcs_cfg);
@@ -228,7 +229,7 @@ static int wm8993_put_dc_servo(struct snd_kcontrol *kcontrol,
/* If we're applying an offset correction then updating the
* callibration would be likely to introduce further offsets. */
- if (hubs->dcs_codes || hubs->no_series_update)
+ if (hubs->dcs_codes_l || hubs->dcs_codes_r || hubs->no_series_update)
return ret;
/* Only need to do this if the outputs are active */
diff --git a/sound/soc/codecs/wm_hubs.h b/sound/soc/codecs/wm_hubs.h
index 676b125..c674c7a 100644
--- a/sound/soc/codecs/wm_hubs.h
+++ b/sound/soc/codecs/wm_hubs.h
@@ -23,7 +23,8 @@ extern const unsigned int wm_hubs_spkmix_tlv[];
/* This *must* be the first element of the codec->private_data struct */
struct wm_hubs_data {
- int dcs_codes;
+ int dcs_codes_l;
+ int dcs_codes_r;
int dcs_readback_mode;
int hp_startup_mode;
int series_startup;