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| author | xingchao <xingchao.wang@intel.com> | 2011-05-03 17:34:13 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2011-05-10 12:58:27 -0700 |
| commit | 59bd2abe0739548eee4c82ab52edcc9ae7e9969b (patch) | |
| tree | ba91619be9f6a3eb44455b88182d5a628c238e63 /drivers/staging/intel_sst/intelmid_v2_control.c | |
| parent | 26d3b2d97300735c53ae2ad0f646e3db79eda45f (diff) | |
| download | kernel_samsung_smdk4412-59bd2abe0739548eee4c82ab52edcc9ae7e9969b.zip kernel_samsung_smdk4412-59bd2abe0739548eee4c82ab52edcc9ae7e9969b.tar.gz kernel_samsung_smdk4412-59bd2abe0739548eee4c82ab52edcc9ae7e9969b.tar.bz2 | |
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>
Diffstat (limited to 'drivers/staging/intel_sst/intelmid_v2_control.c')
| -rw-r--r-- | 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 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 @@ 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) { |