intel_sst: Headphone Automute support
When detected a Jack event, Audio sound routes between internal speaker
and headphone/headset automatically.
Signed-off-by: xingchao <xingchao.wang@intel.com>
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
diff --git a/drivers/staging/intel_sst/intelmid_v2_control.c b/drivers/staging/intel_sst/intelmid_v2_control.c
index f168c95..0461fb3 100644
--- a/drivers/staging/intel_sst/intelmid_v2_control.c
+++ b/drivers/staging/intel_sst/intelmid_v2_control.c
@@ -995,6 +995,19 @@
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 @@
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 @@
present = (value == 0x2) ? 1 : 0;
jack_event_flag = 1;
mjack->jack.type = SND_JACK_HEADPHONE;
+ hp_automute(SND_JACK_HEADPHONE, present);
}
if (intsts & 0x4) {