From 59bd2abe0739548eee4c82ab52edcc9ae7e9969b Mon Sep 17 00:00:00 2001 From: xingchao Date: Tue, 3 May 2011 17:34:13 +0100 Subject: [PATCH] intel_sst: Headphone Automute support When detected a Jack event, Audio sound routes between internal speaker and headphone/headset automatically. Signed-off-by: xingchao Signed-off-by: Alan Cox Signed-off-by: Greg Kroah-Hartman --- drivers/staging/intel_sst/intelmid_v2_control.c | 15 +++++++++++++++ 1 file changed, 15 insertions(+) diff --git a/drivers/staging/intel_sst/intelmid_v2_control.c b/drivers/staging/intel_sst/intelmid_v2_control.c index f168c95067dc..0461fb3ed148 100644 --- a/drivers/staging/intel_sst/intelmid_v2_control.c +++ b/drivers/staging/intel_sst/intelmid_v2_control.c @@ -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) { -- 2.30.2