From: "Guillermo Rodríguez" <guille.rodriguez@gmail.com>
To: alsa-devel@alsa-project.org
Cc: "Guillermo Rodríguez" <guille.rodriguez@gmail.com>,
"Takashi Iwai" <tiwai@suse.com>,
"Liam Girdwood" <lgirdwood@gmail.com>,
"Mark Brown" <broonie@kernel.org>,
"James Schulman" <james.schulman@cirrus.com>,
"David Rhodes" <david.rhodes@cirrus.com>
Subject: [PATCH] ASoC: cs42l51: add additional ADC volume controls
Date: Fri, 18 Sep 2020 15:43:16 +0200 [thread overview]
Message-ID: <20200918134317.22574-1-guille.rodriguez@gmail.com> (raw)
Add volume controls for:
- Analog programmable gain amplifier (PGA) (-3 .. +12 dB)
- ADC attenuator (0 .. -96 dB)
Signed-off-by: Guillermo Rodríguez <guille.rodriguez@gmail.com>
---
sound/soc/codecs/cs42l51.c | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/sound/soc/codecs/cs42l51.c b/sound/soc/codecs/cs42l51.c
index 764f2ef8f59d..097c4e8d9950 100644
--- a/sound/soc/codecs/cs42l51.c
+++ b/sound/soc/codecs/cs42l51.c
@@ -122,6 +122,9 @@ static const char *chan_mix[] = {
"R L",
};
+static const DECLARE_TLV_DB_SCALE(pga_tlv, -300, 50, 0);
+static const DECLARE_TLV_DB_SCALE(adc_att_tlv, -9600, 100, 0);
+
static SOC_ENUM_SINGLE_EXT_DECL(cs42l51_chan_mix, chan_mix);
static const struct snd_kcontrol_new cs42l51_snd_controls[] = {
@@ -138,6 +141,12 @@ static const struct snd_kcontrol_new cs42l51_snd_controls[] = {
0, 0x19, 0x7F, adc_pcm_tlv),
SOC_DOUBLE_R("ADC Mixer Switch",
CS42L51_ADCA_VOL, CS42L51_ADCB_VOL, 7, 1, 1),
+ SOC_DOUBLE_R_SX_TLV("ADC Attenuator Volume",
+ CS42L51_ADCA_ATT, CS42L51_ADCB_ATT,
+ 0, 0xA0, 96, adc_att_tlv),
+ SOC_DOUBLE_R_SX_TLV("PGA Volume",
+ CS42L51_ALC_PGA_CTL, CS42L51_ALC_PGB_CTL,
+ 0, 0x1A, 30, pga_tlv),
SOC_SINGLE("Playback Deemphasis Switch", CS42L51_DAC_CTL, 3, 1, 0),
SOC_SINGLE("Auto-Mute Switch", CS42L51_DAC_CTL, 2, 1, 0),
SOC_SINGLE("Soft Ramp Switch", CS42L51_DAC_CTL, 1, 1, 0),
--
2.26.0
next reply other threads:[~2020-09-18 13:44 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-09-18 13:43 Guillermo Rodríguez [this message]
2020-09-18 16:50 ` [PATCH] ASoC: cs42l51: add additional ADC volume controls Rhodes, David
2020-09-21 16:57 ` Mark Brown
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