linux-kernel - Applied "ASoC: qcom: apq8016-sbc: Add support to Headset JACK" to the asoc tree

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Date:   Mon, 21 Aug 2017 19:33:29 +0100
From:   Mark Brown <broonie@...nel.org>
To:     Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
Cc:     Mark Brown <broonie@...nel.org>, Mark Brown <broonie@...nel.org>,
        Banajit Goswami <bgoswami@...eaurora.org>,
        alsa-devel@...a-project.org, damien.riegel@...oirfairelinux.com,
        Patrick Lai <plai@...eaurora.org>,
        linux-kernel@...r.kernel.org, Takashi Iwai <tiwai@...e.com>,
        alsa-devel@...a-project.org
Subject: Applied "ASoC: qcom: apq8016-sbc: Add support to Headset JACK" to the asoc tree

The patch

   ASoC: qcom: apq8016-sbc: Add support to Headset JACK

has been applied to the asoc tree at

   git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound.git 

All being well this means that it will be integrated into the linux-next
tree (usually sometime in the next 24 hours) and sent to Linus during
the next merge window (or sooner if it is a bug fix), however if
problems are discovered then the patch may be dropped or reverted.  

You may get further e-mails resulting from automated or manual testing
and review of the tree, please engage with people reporting problems and
send followup patches addressing any issues that are reported if needed.

If any updates are required or you are submitting further changes they
should be sent as incremental updates against current git, existing
patches will not be replaced.

Please add any relevant lists and maintainers to the CCs when replying
to this mail.

Thanks,
Mark

>From b47b91c8504c62f95ddff2876620d68697927bd4 Mon Sep 17 00:00:00 2001
From: Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
Date: Thu, 17 Aug 2017 10:02:11 +0200
Subject: [PATCH] ASoC: qcom: apq8016-sbc: Add support to Headset JACK

This patch adds support to Headset JACK, also provides board specific
vref ranges for mbhc buttons to be detected.

This headset supports both 3 pole and 4 pole headset type and 5 buttons.

Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
Signed-off-by: Mark Brown <broonie@...nel.org>
---
 sound/soc/qcom/apq8016_sbc.c | 34 ++++++++++++++++++++++++++++++++++
 1 file changed, 34 insertions(+)

diff --git a/sound/soc/qcom/apq8016_sbc.c b/sound/soc/qcom/apq8016_sbc.c
index 96a079d9f697..d49adc822a11 100644
--- a/sound/soc/qcom/apq8016_sbc.c
+++ b/sound/soc/qcom/apq8016_sbc.c
@@ -21,12 +21,16 @@
 #include <linux/platform_device.h>
 #include <sound/pcm.h>
 #include <sound/pcm_params.h>
+#include <sound/jack.h>
 #include <sound/soc.h>
+#include <uapi/linux/input-event-codes.h>
 #include <dt-bindings/sound/apq8016-lpass.h>
 
 struct apq8016_sbc_data {
 	void __iomem *mic_iomux;
 	void __iomem *spkr_iomux;
+	struct snd_soc_jack jack;
+	bool jack_setup;
 	struct snd_soc_dai_link dai_link[];	/* dynamically allocated */
 };
 
@@ -70,6 +74,31 @@ static int apq8016_sbc_dai_init(struct snd_soc_pcm_runtime *rtd)
 
 	}
 
+	if (!pdata->jack_setup) {
+		struct snd_jack *jack;
+
+		rval = snd_soc_card_jack_new(card, "Headset Jack",
+					     SND_JACK_HEADSET |
+					     SND_JACK_HEADPHONE |
+					     SND_JACK_BTN_0 | SND_JACK_BTN_1 |
+					     SND_JACK_BTN_2 | SND_JACK_BTN_3 |
+					     SND_JACK_BTN_4,
+					     &pdata->jack, NULL, 0);
+
+		if (rval < 0) {
+			dev_err(card->dev, "Unable to add Headphone Jack\n");
+			return rval;
+		}
+
+		jack = pdata->jack.jack;
+
+		snd_jack_set_key(jack, SND_JACK_BTN_0, KEY_MEDIA);
+		snd_jack_set_key(jack, SND_JACK_BTN_1, KEY_VOICECOMMAND);
+		snd_jack_set_key(jack, SND_JACK_BTN_2, KEY_VOLUMEUP);
+		snd_jack_set_key(jack, SND_JACK_BTN_3, KEY_VOLUMEDOWN);
+		pdata->jack_setup = true;
+	}
+
 	for (i = 0 ; i < dai_link->num_codecs; i++) {
 		struct snd_soc_dai *dai = rtd->codec_dais[i];
 
@@ -81,6 +110,11 @@ static int apq8016_sbc_dai_init(struct snd_soc_pcm_runtime *rtd)
 			dev_warn(card->dev, "Failed to set mclk: %d\n", rval);
 			return rval;
 		}
+		rval = snd_soc_codec_set_jack(codec, &pdata->jack, NULL);
+		if (rval != 0 && rval != -ENOTSUPP) {
+			dev_warn(card->dev, "Failed to set jack: %d\n", rval);
+			return rval;
+		}
 	}
 
 	return 0;
-- 
2.13.3