diff options
| author | Manoj Gangwal <mgangwal@nvidia.com> | 2012-03-16 18:55:26 +0530 |
|---|---|---|
| committer | Simone Willett <swillett@nvidia.com> | 2012-04-06 13:45:08 -0700 |
| commit | 4a4d99fa97ca5eead786d7a235f45133af9a1a4a (patch) | |
| tree | 7614ec1db026d4f0d0399a866369918102f3fc3c /sound/soc | |
| parent | e90779216bacf8dcd76efd8e167e9cc3e4b46d28 (diff) | |
asoc: tegra: ALC5640 machine: Fix ext mic detect issue
Enable/disable the ext mic depending on the jack notification
for insertion/removal comes.This is done to save the Audio power.
Bug 955019
Signed-off-by: Manoj Gangwal <mgangwal@nvidia.com>
(cherry picked from commit 7a22037fd4a274637a5bdb18a8c5452fe58aad32)
Change-Id: I1a8b47c4e9c424a914f546b48c86a6fb07d8e42a
Reviewed-on: http://git-master/r/93956
Reviewed-by: Simone Willett <swillett@nvidia.com>
Tested-by: Simone Willett <swillett@nvidia.com>
Diffstat (limited to 'sound/soc')
| -rw-r--r-- | sound/soc/tegra/tegra_rt5640.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/sound/soc/tegra/tegra_rt5640.c b/sound/soc/tegra/tegra_rt5640.c index 9fed84be8d50..e7d58803f7c9 100644 --- a/sound/soc/tegra/tegra_rt5640.c +++ b/sound/soc/tegra/tegra_rt5640.c @@ -277,11 +277,14 @@ static int tegra_rt5640_jack_notifier(struct notifier_block *self, struct snd_soc_codec *codec = jack->codec; struct snd_soc_card *card = codec->card; struct tegra_rt5640 *machine = snd_soc_card_get_drvdata(card); + struct tegra_rt5640_platform_data *pdata = machine->pdata; enum headset_state state = BIT_NO_HEADSET; unsigned char status_jack; if (jack == &tegra_rt5640_hp_jack) { if (action) { + /* Enable ext mic; enable signal is active-low */ + gpio_direction_output(pdata->gpio_ext_mic_en, 0); if (!strncmp(machine->pdata->codec_name, "rt5639", 6)) status_jack = rt5639_headset_detect(codec, 1); else if (!strncmp(machine->pdata->codec_name, "rt5640", @@ -302,6 +305,8 @@ static int tegra_rt5640_jack_notifier(struct notifier_block *self, SND_JACK_MICROPHONE; } } else { + /* Disable ext mic; enable signal is active-low */ + gpio_direction_output(pdata->gpio_ext_mic_en, 1); if (!strncmp(machine->pdata->codec_name, "rt5639", 6)) rt5639_headset_detect(codec, 0); else if (!strncmp(machine->pdata->codec_name, "rt5640", |