ASoC: Optimise performance of WM8904 ADC 128fs OSR mode
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
diff --git a/sound/soc/codecs/wm8904.c b/sound/soc/codecs/wm8904.c
index f2a740d..14afc11 100644
--- a/sound/soc/codecs/wm8904.c
+++ b/sound/soc/codecs/wm8904.c
@@ -304,6 +304,7 @@
case WM8904_EQ23:
case WM8904_EQ24:
case WM8904_CONTROL_INTERFACE_TEST_1:
+ case WM8904_ADC_TEST_0:
case WM8904_ANALOGUE_OUTPUT_BIAS_0:
case WM8904_FLL_NCO_TEST_0:
case WM8904_FLL_NCO_TEST_1:
@@ -569,6 +570,29 @@
static const struct soc_enum hpf_mode =
SOC_ENUM_SINGLE(WM8904_ADC_DIGITAL_0, 5, 4, hpf_mode_text);
+static int wm8904_adc_osr_put(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
+ unsigned int val;
+ int ret;
+
+ ret = snd_soc_put_volsw(kcontrol, ucontrol);
+ if (ret < 0)
+ return ret;
+
+ if (ucontrol->value.integer.value[0])
+ val = 0;
+ else
+ val = WM8904_ADC_128_OSR_TST_MODE | WM8904_ADC_BIASX1P5;
+
+ snd_soc_update_bits(codec, WM8904_ADC_TEST_0,
+ WM8904_ADC_128_OSR_TST_MODE | WM8904_ADC_BIASX1P5,
+ val);
+
+ return ret;
+}
+
static const struct snd_kcontrol_new wm8904_adc_snd_controls[] = {
SOC_DOUBLE_R_TLV("Digital Capture Volume", WM8904_ADC_DIGITAL_VOLUME_LEFT,
WM8904_ADC_DIGITAL_VOLUME_RIGHT, 1, 119, 0, digital_tlv),
@@ -585,7 +609,12 @@
SOC_SINGLE("High Pass Filter Switch", WM8904_ADC_DIGITAL_0, 4, 1, 0),
SOC_ENUM("High Pass Filter Mode", hpf_mode),
-SOC_SINGLE("ADC 128x OSR Switch", WM8904_ANALOGUE_ADC_0, 0, 1, 0),
+{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+ .name = "ADC 128x OSR Switch",
+ .info = snd_soc_info_volsw, .get = snd_soc_get_volsw,
+ .put = wm8904_adc_osr_put,
+ .private_value = SOC_SINGLE_VALUE(WM8904_ANALOGUE_ADC_0, 0, 1, 0),
+},
};
static const char *drc_path_text[] = {