summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
-rw-r--r--include/linux/mfd/arizona/core.h3
-rw-r--r--sound/soc/codecs/arizona.c34
-rw-r--r--sound/soc/codecs/wm5102.c62
3 files changed, 99 insertions, 0 deletions
diff --git a/include/linux/mfd/arizona/core.h b/include/linux/mfd/arizona/core.h
index 11783b511b9a..55926517d50b 100644
--- a/include/linux/mfd/arizona/core.h
+++ b/include/linux/mfd/arizona/core.h
@@ -113,6 +113,9 @@ struct arizona {
int tdm_width[ARIZONA_MAX_AIF];
int tdm_slots[ARIZONA_MAX_AIF];
+
+ uint16_t dac_comp_coeff;
+ uint8_t dac_comp_enabled;
};
int arizona_clk32k_enable(struct arizona *arizona);
diff --git a/sound/soc/codecs/arizona.c b/sound/soc/codecs/arizona.c
index e77f61c387f7..41b56ee6ff51 100644
--- a/sound/soc/codecs/arizona.c
+++ b/sound/soc/codecs/arizona.c
@@ -1127,6 +1127,31 @@ static int arizona_startup(struct snd_pcm_substream *substream,
constraint);
}
+static void arizona_wm5102_set_dac_comp(struct snd_soc_codec *codec,
+ unsigned int rate)
+{
+ struct arizona_priv *priv = snd_soc_codec_get_drvdata(codec);
+ struct arizona *arizona = priv->arizona;
+ struct reg_default dac_comp[] = {
+ { 0x80, 0x3 },
+ { ARIZONA_DAC_COMP_1, 0 },
+ { ARIZONA_DAC_COMP_2, 0 },
+ { 0x80, 0x0 },
+ };
+
+ mutex_lock(&codec->mutex);
+
+ dac_comp[1].def = arizona->dac_comp_coeff;
+ if (rate >= 176400)
+ dac_comp[2].def = arizona->dac_comp_enabled;
+
+ mutex_unlock(&codec->mutex);
+
+ regmap_multi_reg_write(arizona->regmap,
+ dac_comp,
+ ARRAY_SIZE(dac_comp));
+}
+
static int arizona_hw_params_rate(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params,
struct snd_soc_dai *dai)
@@ -1153,6 +1178,15 @@ static int arizona_hw_params_rate(struct snd_pcm_substream *substream,
switch (dai_priv->clk) {
case ARIZONA_CLK_SYSCLK:
+ switch (priv->arizona->type) {
+ case WM5102:
+ arizona_wm5102_set_dac_comp(codec,
+ params_rate(params));
+ break;
+ default:
+ break;
+ }
+
snd_soc_update_bits(codec, ARIZONA_SAMPLE_RATE_1,
ARIZONA_SAMPLE_RATE_1_MASK, sr_val);
if (base)
diff --git a/sound/soc/codecs/wm5102.c b/sound/soc/codecs/wm5102.c
index dcf1d12cfef8..7bf2397fc25a 100644
--- a/sound/soc/codecs/wm5102.c
+++ b/sound/soc/codecs/wm5102.c
@@ -612,6 +612,62 @@ static int wm5102_sysclk_ev(struct snd_soc_dapm_widget *w,
return 0;
}
+static int wm5102_out_comp_coeff_get(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
+ struct arizona *arizona = dev_get_drvdata(codec->dev->parent);
+ uint16_t data;
+
+ mutex_lock(&codec->mutex);
+ data = cpu_to_be16(arizona->dac_comp_coeff);
+ memcpy(ucontrol->value.bytes.data, &data, sizeof(data));
+ mutex_unlock(&codec->mutex);
+
+ return 0;
+}
+
+static int wm5102_out_comp_coeff_put(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
+ struct arizona *arizona = dev_get_drvdata(codec->dev->parent);
+
+ mutex_lock(&codec->mutex);
+ memcpy(&arizona->dac_comp_coeff, ucontrol->value.bytes.data,
+ sizeof(arizona->dac_comp_coeff));
+ arizona->dac_comp_coeff = be16_to_cpu(arizona->dac_comp_coeff);
+ mutex_unlock(&codec->mutex);
+
+ return 0;
+}
+
+static int wm5102_out_comp_switch_get(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
+ struct arizona *arizona = dev_get_drvdata(codec->dev->parent);
+
+ mutex_lock(&codec->mutex);
+ ucontrol->value.integer.value[0] = arizona->dac_comp_enabled;
+ mutex_unlock(&codec->mutex);
+
+ return 0;
+}
+
+static int wm5102_out_comp_switch_put(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
+ struct arizona *arizona = dev_get_drvdata(codec->dev->parent);
+
+ mutex_lock(&codec->mutex);
+ arizona->dac_comp_enabled = ucontrol->value.integer.value[0];
+ mutex_unlock(&codec->mutex);
+
+ return 0;
+}
+
static const char *wm5102_osr_text[] = {
"Low power", "Normal", "High performance",
};
@@ -843,6 +899,12 @@ SOC_SINGLE_TLV("Noise Gate Threshold Volume", ARIZONA_NOISE_GATE_CONTROL,
ARIZONA_NGATE_THR_SHIFT, 7, 1, ng_tlv),
SOC_ENUM("Noise Gate Hold", arizona_ng_hold),
+SND_SOC_BYTES_EXT("Output Compensation Coefficient", 2,
+ wm5102_out_comp_coeff_get, wm5102_out_comp_coeff_put),
+
+SOC_SINGLE_EXT("Output Compensation Switch", 0, 0, 1, 0,
+ wm5102_out_comp_switch_get, wm5102_out_comp_switch_put),
+
WM5102_NG_SRC("HPOUT1L", ARIZONA_NOISE_GATE_SELECT_1L),
WM5102_NG_SRC("HPOUT1R", ARIZONA_NOISE_GATE_SELECT_1R),
WM5102_NG_SRC("HPOUT2L", ARIZONA_NOISE_GATE_SELECT_2L),
OpenPOWER on IntegriCloud