diff options
| author | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2011-08-01 13:10:16 +0900 |
|---|---|---|
| committer | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2011-08-01 22:14:49 +0900 |
| commit | 4537c4e7618d05c77e9f8c5259c977f927a37e2f (patch) | |
| tree | 77db5f2e919cace15a8f8d3f0043bf8310fb989c /sound/soc/codecs | |
| parent | 79ef0abcd85842bc12ffb3297b958565f060464c (diff) | |
| download | lwn-4537c4e7618d05c77e9f8c5259c977f927a37e2f.tar.gz lwn-4537c4e7618d05c77e9f8c5259c977f927a37e2f.zip | |
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>
Diffstat (limited to 'sound/soc/codecs')
| -rw-r--r-- | sound/soc/codecs/wm8993.c | 3 | ||||
| -rw-r--r-- | sound/soc/codecs/wm8994.c | 3 | ||||
| -rw-r--r-- | sound/soc/codecs/wm_hubs.c | 13 | ||||
| -rw-r--r-- | sound/soc/codecs/wm_hubs.h | 3 |
4 files changed, 13 insertions, 9 deletions
diff --git a/sound/soc/codecs/wm8993.c b/sound/soc/codecs/wm8993.c index 6e85b8869af7..f014e5676d20 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 c0956899d5b5..fb5c96163610 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 84a84f4eed95..26e21d01e137 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 676b1252ab91..c674c7a502a6 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; |