linux-kernel - [PATCH 08/27] ASoC: Intel: kbl_da7219_max98357a: Map missing Line Out jack kcontrol

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Message-Id: <20230802175737.263412-9-alpernebiyasak@gmail.com>
Date:   Wed,  2 Aug 2023 20:57:18 +0300
From:   Alper Nebi Yasak <alpernebiyasak@...il.com>
To:     alsa-devel@...a-project.org
Cc:     Cezary Rojewski <cezary.rojewski@...el.com>,
        Alper Nebi Yasak <alpernebiyasak@...il.com>,
        Mark Brown <broonie@...nel.org>,
        Liam Girdwood <lgirdwood@...il.com>,
        Takashi Iwai <tiwai@...e.com>,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>,
        Jaroslav Kysela <perex@...ex.cz>, linux-kernel@...r.kernel.org,
        Akihiko Odaki <akihiko.odaki@...il.com>,
        Pierre-Louis Bossart <pierre-louis.bossart@...ux.intel.com>,
        Matthias Brugger <matthias.bgg@...il.com>,
        Nícolas F . R . A . Prado 
        <nfraprado@...labora.com>
Subject: [PATCH 08/27] ASoC: Intel: kbl_da7219_max98357a: Map missing Line Out jack kcontrol

Commit c2065d43ae85 ("ASoC: Intel: kbl_da7219_max98357a: remap jack
pins") maps kcontrols for Headphone and Headset Mic jacks for this
driver so that PulseAudio and PipeWire can handle jack detection events
for these peripherals.

The DA7219 codec used here can also distinguish between Headphone and
Line Out connections that go into the same physical port. Expose the
latter to userspace as a kcontrol as well and add the necessary widgets.

Signed-off-by: Alper Nebi Yasak <alpernebiyasak@...il.com>
---

 sound/soc/intel/boards/kbl_da7219_max98357a.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/sound/soc/intel/boards/kbl_da7219_max98357a.c b/sound/soc/intel/boards/kbl_da7219_max98357a.c
index 18365ce6bcba..97149513076f 100644
--- a/sound/soc/intel/boards/kbl_da7219_max98357a.c
+++ b/sound/soc/intel/boards/kbl_da7219_max98357a.c
@@ -83,12 +83,14 @@ static const struct snd_kcontrol_new kabylake_controls[] = {
 	SOC_DAPM_PIN_SWITCH("Headphone Jack"),
 	SOC_DAPM_PIN_SWITCH("Headset Mic"),
 	SOC_DAPM_PIN_SWITCH("Spk"),
+	SOC_DAPM_PIN_SWITCH("Line Out"),
 };
 
 static const struct snd_soc_dapm_widget kabylake_widgets[] = {
 	SND_SOC_DAPM_HP("Headphone Jack", NULL),
 	SND_SOC_DAPM_MIC("Headset Mic", NULL),
 	SND_SOC_DAPM_SPK("Spk", NULL),
+	SND_SOC_DAPM_LINE("Line Out", NULL),
 	SND_SOC_DAPM_MIC("SoC DMIC", NULL),
 	SND_SOC_DAPM_SPK("HDMI1", NULL),
 	SND_SOC_DAPM_SPK("HDMI2", NULL),
@@ -107,6 +109,10 @@ static struct snd_soc_jack_pin jack_pins[] = {
 		.pin    = "Headset Mic",
 		.mask   = SND_JACK_MICROPHONE,
 	},
+	{
+		.pin    = "Line Out",
+		.mask   = SND_JACK_LINEOUT,
+	},
 };
 
 static const struct snd_soc_dapm_route kabylake_map[] = {
@@ -147,6 +153,7 @@ static const struct snd_soc_dapm_route kabylake_map[] = {
 
 	{ "Headphone Jack", NULL, "Platform Clock" },
 	{ "Headset Mic", NULL, "Platform Clock" },
+	{ "Line Out", NULL, "Platform Clock" },
 };
 
 static int kabylake_ssp_fixup(struct snd_soc_pcm_runtime *rtd,
-- 
2.40.1