linux-kernel - [PATCH v2 3/3] ASoC: rk3399_gru_sound: Wire up DP jack detection

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Message-Id: <20220114150129.v2.3.I3c79b1466c14b02980071221e5b99283cd26ec77@changeid>
Date:   Fri, 14 Jan 2022 15:02:09 -0800
From:   Brian Norris <briannorris@...omium.org>
To:     Heiko Stuebner <heiko@...ech.de>,
        Liam Girdwood <lgirdwood@...il.com>,
        Mark Brown <broonie@...nel.org>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>
Cc:     linux-rockchip@...ts.infradead.org, Lin Huang <hl@...k-chips.com>,
        linux-arm-kernel@...ts.infradead.org,
        dri-devel@...ts.freedesktop.org, Rob Herring <robh+dt@...nel.org>,
        Sandy Huang <hjc@...k-chips.com>, linux-kernel@...r.kernel.org,
        alsa-devel@...a-project.org, devicetree@...r.kernel.org,
        Brian Norris <briannorris@...omium.org>
Subject: [PATCH v2 3/3] ASoC: rk3399_gru_sound: Wire up DP jack detection

Now that the cdn-dp driver supports plug-change callbacks, let's wire it
up.

Signed-off-by: Brian Norris <briannorris@...omium.org>
---

(no changes since v1)

 sound/soc/rockchip/rk3399_gru_sound.c | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/sound/soc/rockchip/rk3399_gru_sound.c b/sound/soc/rockchip/rk3399_gru_sound.c
index e2d52d8d0ff9..eeef3ed70037 100644
--- a/sound/soc/rockchip/rk3399_gru_sound.c
+++ b/sound/soc/rockchip/rk3399_gru_sound.c
@@ -164,6 +164,25 @@ static int rockchip_sound_da7219_hw_params(struct snd_pcm_substream *substream,
 	return 0;
 }
 
+static struct snd_soc_jack cdn_dp_card_jack;
+
+static int rockchip_sound_cdndp_init(struct snd_soc_pcm_runtime *rtd)
+{
+	struct snd_soc_component *component = asoc_rtd_to_codec(rtd, 0)->component;
+	struct snd_soc_card *card = rtd->card;
+	int ret;
+
+	/* Enable jack detection. */
+	ret = snd_soc_card_jack_new(card, "DP Jack", SND_JACK_LINEOUT,
+				    &cdn_dp_card_jack, NULL, 0);
+	if (ret) {
+		dev_err(card->dev, "Can't create DP Jack %d\n", ret);
+		return ret;
+	}
+
+	return snd_soc_component_set_jack(component, &cdn_dp_card_jack, NULL);
+}
+
 static int rockchip_sound_da7219_init(struct snd_soc_pcm_runtime *rtd)
 {
 	struct snd_soc_component *component = asoc_rtd_to_codec(rtd, 0)->component;
@@ -315,6 +334,7 @@ static const struct snd_soc_dai_link rockchip_dais[] = {
 	[DAILINK_CDNDP] = {
 		.name = "DP",
 		.stream_name = "DP PCM",
+		.init = rockchip_sound_cdndp_init,
 		.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
 			SND_SOC_DAIFMT_CBS_CFS,
 		SND_SOC_DAILINK_REG(cdndp),
-- 
2.34.1.703.g22d0c6ccf7-goog