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Message-Id: <20200527014023.2781-1-akshu.agrawal@amd.com>
Date: Wed, 27 May 2020 07:10:16 +0530
From: Akshu Agrawal <akshu.agrawal@....com>
To: unlisted-recipients:; (no To-header on input)
Cc: akshu.agrawal@....com, yuhsuan@...omium.org,
Liam Girdwood <lgirdwood@...il.com>,
Mark Brown <broonie@...nel.org>,
Jaroslav Kysela <perex@...ex.cz>,
Takashi Iwai <tiwai@...e.com>,
YueHaibing <yuehaibing@...wei.com>,
Kuninori Morimoto <kuninori.morimoto.gx@...esas.com>,
alsa-devel@...a-project.org (moderated list:SOUND - SOC LAYER / DYNAMIC
AUDIO POWER MANAGEM...), linux-kernel@...r.kernel.org (open list)
Subject: [PATCH] ASoC: AMD: Use mixer control to switch between DMICs
Having mixer control to switch between DMICs prevents user to
initiate capture simultaneously on both the DMIcs.
Earlier 2 separate devices, one for each DMIC, gave an option of
using them simultaneously, which is not supported.
Signed-off-by: Akshu Agrawal <akshu.agrawal@....com>
---
sound/soc/amd/acp3x-rt5682-max9836.c | 43 +++++++++++-----------------
1 file changed, 16 insertions(+), 27 deletions(-)
diff --git a/sound/soc/amd/acp3x-rt5682-max9836.c b/sound/soc/amd/acp3x-rt5682-max9836.c
index e499c00e0c66..19f55a814547 100644
--- a/sound/soc/amd/acp3x-rt5682-max9836.c
+++ b/sound/soc/amd/acp3x-rt5682-max9836.c
@@ -188,25 +188,27 @@ static int acp3x_ec_dmic0_startup(struct snd_pcm_substream *substream)
machine->cap_i2s_instance = I2S_BT_INSTANCE;
snd_soc_dai_set_bclk_ratio(codec_dai, 64);
- if (dmic_sel)
- gpiod_set_value(dmic_sel, 0);
return rt5682_clk_enable(substream);
}
-static int acp3x_ec_dmic1_startup(struct snd_pcm_substream *substream)
-{
- struct snd_soc_pcm_runtime *rtd = substream->private_data;
- struct snd_soc_card *card = rtd->card;
- struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0);
- struct acp3x_platform_info *machine = snd_soc_card_get_drvdata(card);
+static int front_mic_enabled;
- machine->cap_i2s_instance = I2S_BT_INSTANCE;
- snd_soc_dai_set_bclk_ratio(codec_dai, 64);
- if (dmic_sel)
- gpiod_set_value(dmic_sel, 1);
+static int front_mic_get(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ ucontrol->value.integer.value[0] = front_mic_enabled;
+ return 0;
+}
- return rt5682_clk_enable(substream);
+static int front_mic_set(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ if (dmic_sel) {
+ front_mic_enabled = ucontrol->value.integer.value[0];
+ gpiod_set_value(dmic_sel, !front_mic_enabled);
+ }
+ return 0;
}
static void rt5682_shutdown(struct snd_pcm_substream *substream)
@@ -229,11 +231,6 @@ static const struct snd_soc_ops acp3x_ec_cap0_ops = {
.shutdown = rt5682_shutdown,
};
-static const struct snd_soc_ops acp3x_ec_cap1_ops = {
- .startup = acp3x_ec_dmic1_startup,
- .shutdown = rt5682_shutdown,
-};
-
SND_SOC_DAILINK_DEF(acp3x_i2s,
DAILINK_COMP_ARRAY(COMP_CPU("acp3x_i2s_playcap.0")));
SND_SOC_DAILINK_DEF(acp3x_bt,
@@ -279,15 +276,6 @@ static struct snd_soc_dai_link acp3x_dai_5682_98357[] = {
.ops = &acp3x_ec_cap0_ops,
SND_SOC_DAILINK_REG(acp3x_bt, cros_ec, platform),
},
- {
- .name = "acp3x-ec-dmic1-capture",
- .stream_name = "Capture DMIC1",
- .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
- | SND_SOC_DAIFMT_CBS_CFS,
- .dpcm_capture = 1,
- .ops = &acp3x_ec_cap1_ops,
- SND_SOC_DAILINK_REG(acp3x_bt, cros_ec, platform),
- },
};
static const struct snd_soc_dapm_widget acp3x_widgets[] = {
@@ -307,6 +295,7 @@ static const struct snd_kcontrol_new acp3x_mc_controls[] = {
SOC_DAPM_PIN_SWITCH("Headphone Jack"),
SOC_DAPM_PIN_SWITCH("Spk"),
SOC_DAPM_PIN_SWITCH("Headset Mic"),
+ SOC_SINGLE_BOOL_EXT("Front Mic", 0, front_mic_get, front_mic_set),
};
static struct snd_soc_card acp3x_card = {
--
2.20.1
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