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>
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@ -995,6 +995,19 @@ static int nc_get_vol(int dev_id, int *value)
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return retval;
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}
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static void hp_automute(enum snd_jack_types type, int present)
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{
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u8 in = DMIC;
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u8 out = INTERNAL_SPKR;
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if (present) {
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if (type == SND_JACK_HEADSET)
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in = HS_MIC;
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out = STEREO_HEADPHONE;
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}
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nc_set_selected_input_dev(in);
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nc_set_selected_output_dev(out);
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}
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static void nc_pmic_irq_cb(void *cb_data, u8 intsts)
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{
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u8 value = 0;
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@ -1015,6 +1028,7 @@ static void nc_pmic_irq_cb(void *cb_data, u8 intsts)
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present = (value == 0x1) ? 1 : 0;
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jack_event_flag = 1;
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mjack->jack.type = SND_JACK_HEADSET;
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hp_automute(SND_JACK_HEADSET, present);
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}
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if (intsts & 0x2) {
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@ -1023,6 +1037,7 @@ static void nc_pmic_irq_cb(void *cb_data, u8 intsts)
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present = (value == 0x2) ? 1 : 0;
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jack_event_flag = 1;
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mjack->jack.type = SND_JACK_HEADPHONE;
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hp_automute(SND_JACK_HEADPHONE, present);
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}
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if (intsts & 0x4) {
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