Merge "btfm: provide a way to query wcn3990 status" (e965ee52) · Commits · e / devices / android_kernel_sony_msm8998

drivers/bluetooth/btfm_slim_codec.c

+31 −0

Original line number	Diff line number	Diff line
		@@ -26,6 +26,9 @@
		#include <sound/tlv.h>
		#include <btfm_slim.h>

		static int bt_soc_enable_status;


		static int btfm_slim_codec_write(struct snd_soc_codec *codec, unsigned int reg,
		unsigned int value)
		{
		@@ -38,8 +41,31 @@ static unsigned int btfm_slim_codec_read(struct snd_soc_codec *codec,
		return 0;
		}

		static int bt_soc_status_get(struct snd_kcontrol *kcontrol,
		struct snd_ctl_elem_value *ucontrol)
		{
		ucontrol->value.integer.value[0] = bt_soc_enable_status;
		return 1;
		}

		static int bt_soc_status_put(struct snd_kcontrol *kcontrol,
		struct snd_ctl_elem_value *ucontrol)
		{
		return 1;
		}

		static const struct snd_kcontrol_new status_controls[] = {
		SOC_SINGLE_EXT("BT SOC status", 0, 0, 1, 0,
		bt_soc_status_get,
		bt_soc_status_put)

		};


		static int btfm_slim_codec_probe(struct snd_soc_codec *codec)
		{
		snd_soc_add_codec_controls(codec, status_controls,
		ARRAY_SIZE(status_controls));
		return 0;
		}

		@@ -130,6 +156,7 @@ int btfm_slim_dai_prepare(struct snd_pcm_substream *substream,
		struct btfmslim *btfmslim = dai->dev->platform_data;
		struct btfmslim_ch *ch;
		uint8_t rxport, grp = false, nchan = 1;
		bt_soc_enable_status = 0;

		BTFMSLIM_DBG("dai->name: %s, dai->id: %d, dai->rate: %d", dai->name,
		dai->id, dai->rate);
		@@ -171,6 +198,10 @@ int btfm_slim_dai_prepare(struct snd_pcm_substream *substream,
		}

		ret = btfm_slim_enable_ch(btfmslim, ch, rxport, dai->rate, grp, nchan);

		/* save the enable channel status */
		if (ret == 0)
		bt_soc_enable_status = 1;
		return ret;
		}