WCD938X on SM8250 MTP is connected via TX macro which has MBHC support, So add this jack support in the soundcard driver too.
Signed-off-by: Srinivas Kandagatla srinivas.kandagatla@linaro.org --- sound/soc/qcom/sm8250.c | 61 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 61 insertions(+)
diff --git a/sound/soc/qcom/sm8250.c b/sound/soc/qcom/sm8250.c index 9f2f0598a222..b2ca2579810b 100644 --- a/sound/soc/qcom/sm8250.c +++ b/sound/soc/qcom/sm8250.c @@ -8,6 +8,8 @@ #include <sound/soc-dapm.h> #include <sound/pcm.h> #include <linux/soundwire/sdw.h> +#include <sound/jack.h> +#include <linux/input-event-codes.h> #include "qdsp6/q6afe.h" #include "common.h"
@@ -18,8 +20,66 @@ struct sm8250_snd_data { bool stream_prepared[AFE_PORT_MAX]; struct snd_soc_card *card; struct sdw_stream_runtime *sruntime[AFE_PORT_MAX]; + struct snd_soc_jack jack; + bool jack_setup; };
+static int sm8250_snd_init(struct snd_soc_pcm_runtime *rtd) +{ + struct sm8250_snd_data *data = snd_soc_card_get_drvdata(rtd->card); + struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(rtd, 0); + struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0); + struct snd_soc_card *card = rtd->card; + int rval, i; + + if (!data->jack_setup) { + struct snd_jack *jack; + + rval = snd_soc_card_jack_new(card, "Headset Jack", + SND_JACK_HEADSET | SND_JACK_LINEOUT | + SND_JACK_MECHANICAL | + SND_JACK_BTN_0 | SND_JACK_BTN_1 | + SND_JACK_BTN_2 | SND_JACK_BTN_3 | + SND_JACK_BTN_4 | SND_JACK_BTN_5, + &data->jack, NULL, 0); + + if (rval < 0) { + dev_err(card->dev, "Unable to add Headphone Jack\n"); + return rval; + } + + jack = data->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); + data->jack_setup = true; + } + + switch (cpu_dai->id) { + case TX_CODEC_DMA_TX_0: + case TX_CODEC_DMA_TX_1: + case TX_CODEC_DMA_TX_2: + case TX_CODEC_DMA_TX_3: + for_each_rtd_codec_dais(rtd, i, codec_dai) { + rval = snd_soc_component_set_jack(codec_dai->component, + &data->jack, NULL); + if (rval != 0 && rval != -ENOTSUPP) { + dev_warn(card->dev, "Failed to set jack: %d\n", rval); + return rval; + } + } + + break; + default: + break; + } + + + return 0; +} + static int sm8250_be_hw_params_fixup(struct snd_soc_pcm_runtime *rtd, struct snd_pcm_hw_params *params) { @@ -192,6 +252,7 @@ static void sm8250_add_be_ops(struct snd_soc_card *card)
for_each_card_prelinks(card, i, link) { if (link->no_pcm == 1) { + link->init = sm8250_snd_init; link->be_hw_params_fixup = sm8250_be_hw_params_fixup; link->ops = &sm8250_be_ops; }