Messages in this thread Patch in this message | | | From | Alan Cox <> | Subject | [PATCH 12/23] intel_sst: Headphone Automute support | Date | Tue, 03 May 2011 17:34:13 +0100 |
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From: xingchao <xingchao.wang@intel.com>
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> ---
drivers/staging/intel_sst/intelmid_v2_control.c | 15 +++++++++++++++ 1 files changed, 15 insertions(+), 0 deletions(-)
diff --git a/drivers/staging/intel_sst/intelmid_v2_control.c b/drivers/staging/intel_sst/intelmid_v2_control.c index 3d90f45..7cae970 100644 --- a/drivers/staging/intel_sst/intelmid_v2_control.c +++ b/drivers/staging/intel_sst/intelmid_v2_control.c @@ -996,6 +996,19 @@ 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; @@ -1016,6 +1029,7 @@ 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) { @@ -1024,6 +1038,7 @@ 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) {
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