Commit 59bd2abe authored by xingchao's avatar xingchao Committed by Greg Kroah-Hartman
Browse files

intel_sst: Headphone Automute support 



When detected a Jack event, Audio sound routes between internal speaker
and headphone/headset automatically.

Signed-off-by: default avatarxingchao <xingchao.wang@intel.com>
Signed-off-by: default avatarAlan Cox <alan@linux.intel.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
parent 26d3b2d9

drivers/staging/intel_sst/intelmid_v2_control.c

+15 −0
Original line number Diff line number Diff line
@@ -995,6 +995,19 @@ static int nc_get_vol(int dev_id, int *value) 
	return retval;

}



static void hp_automute(enum snd_jack_types type, int present)

{

	u8 in = DMIC;

	u8 out = INTERNAL_SPKR;

	if (present) {

		if (type == SND_JACK_HEADSET)

			in = HS_MIC;

		out = STEREO_HEADPHONE;

	}

	nc_set_selected_input_dev(in);

	nc_set_selected_output_dev(out);

}



static void nc_pmic_irq_cb(void *cb_data, u8 intsts)

{

	u8 value = 0;
@@ -1015,6 +1028,7 @@ static void nc_pmic_irq_cb(void *cb_data, u8 intsts) 
		present = (value == 0x1) ? 1 : 0;

		jack_event_flag = 1;

		mjack->jack.type = SND_JACK_HEADSET;

		hp_automute(SND_JACK_HEADSET, present);

	}



	if (intsts & 0x2) {
@@ -1023,6 +1037,7 @@ static void nc_pmic_irq_cb(void *cb_data, u8 intsts) 
		present = (value == 0x2) ? 1 : 0;

		jack_event_flag = 1;

		mjack->jack.type = SND_JACK_HEADPHONE;

		hp_automute(SND_JACK_HEADPHONE, present);

	}



	if (intsts & 0x4) {