diff options
| author | John Hsu <KCHSU0@nuvoton.com> | 2018-03-21 15:30:23 +0800 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2018-04-17 17:13:43 +0100 |
| commit | 7b0037fa2d6048284e90de4131fc53c0ac1d4430 (patch) | |
| tree | 9738233040a1b485623a8daa7d284fabbf5f53e7 | |
| parent | 13838c11c31e764d8143fdfcccea47691afd5ff2 (diff) | |
ASoC: nau8824: user configuration of key detection
The SAR ADC of key press detection varies depending on headset.
We can't make a set of common threshold values for every case.
Therefore, the driver provides configuration for user and
they can set up values by UCM configuration.
Signed-off-by: John Hsu <KCHSU0@nuvoton.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
| -rw-r--r-- | sound/soc/codecs/nau8824.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/sound/soc/codecs/nau8824.c b/sound/soc/codecs/nau8824.c index 637e9527805f..76502c090654 100644 --- a/sound/soc/codecs/nau8824.c +++ b/sound/soc/codecs/nau8824.c @@ -409,6 +409,15 @@ static const struct snd_kcontrol_new nau8824_snd_controls[] = { SOC_SINGLE("DACL LR Mix", NAU8824_REG_DAC_MUTE_CTRL, 0, 1, 0), SOC_SINGLE("DACR LR Mix", NAU8824_REG_DAC_MUTE_CTRL, 1, 1, 0), + + SOC_SINGLE("THD for key media", + NAU8824_REG_VDET_THRESHOLD_1, 8, 0xff, 0), + SOC_SINGLE("THD for key voice command", + NAU8824_REG_VDET_THRESHOLD_1, 0, 0xff, 0), + SOC_SINGLE("THD for key volume up", + NAU8824_REG_VDET_THRESHOLD_2, 8, 0xff, 0), + SOC_SINGLE("THD for key volume down", + NAU8824_REG_VDET_THRESHOLD_2, 0, 0xff, 0), }; static int nau8824_output_dac_event(struct snd_soc_dapm_widget *w, |