On Fri, 06 Jun 2014, Charles Keepax wrote:
Add controls to allow custom shaping of the ultrasonic response. This custom shaping can be turned on/off at runtime, although, it should be noted that settings will not affect a currently open audio stream, they will be applied when the next audio stream is started.
Signed-off-by: Charles Keepax ckeepax@opensource.wolfsonmicro.com
include/linux/mfd/arizona/core.h | 3 ++
For the MFD changes: Acked-by: Lee Jones lee.jones@linaro.org
sound/soc/codecs/arizona.c | 34 +++++++++++++++++++++ sound/soc/codecs/wm5102.c | 62 ++++++++++++++++++++++++++++++++++++++ 3 files changed, 99 insertions(+), 0 deletions(-)
diff --git a/include/linux/mfd/arizona/core.h b/include/linux/mfd/arizona/core.h index 11783b5..5592651 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 e77f61c..41b56ee 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 289b64d..a40ea4d 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", 0, 1,
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),