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dde_bsd: support microphone selection

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Make preferred microphone configurable when a headset is plugged in by
introducing the 'mic_priority' attribute for the <config> node. Values
can be "internal" and "external".
This commit is contained in:
Sebastian Sumpf
2024-12-11 19:20:21 +01:00
committed by Christian Helmuth
parent a9df9fccfd
commit ac5cfb59ea
2 changed files with 21 additions and 1 deletions
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12
repos/dde_bsd/src/lib/audio/driver.cc
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@ -41,6 +41,8 @@ static dev_t const mdev = 0xc0; /* /dev/audioctl */
static bool adev_usuable = false;
/* prioritize mic of headset if plugged in over internal mic */
static bool mic_priority_external = true;
static bool drv_loaded()
{
@ -389,6 +391,11 @@ static void configure_mixer(Genode::Env &env, Mixer &mixer, Genode::Xml_node con
{
using namespace Genode;
typedef String<9> Mic_mode;
Mic_mode mode = config.attribute_value("mic_priority", Mic_mode("external"));
mic_priority_external = (mode == "internal") ? false : true;
config.for_each_sub_node("mixer", [&] (Xml_node node) {
typedef String<32> Field;
@ -615,7 +622,8 @@ extern "C" void notify_record()
extern "C" void notify_hp_sense(int const sense)
{
set_mixer_value(mixer, "record.adc-0:1_source", sense ? "mic2" : "mic");
set_mixer_value(mixer, "record.adc-0:1_source",
sense && mic_priority_external ? "mic2" : "mic");
report_mixer_state(mixer, nullptr);
}
@ -630,6 +638,8 @@ void Audio::update_config(Genode::Env &env, Genode::Xml_node config)
if (mixer.info == nullptr) { return; }
configure_mixer(env, mixer, config);
notify_hp_sense(headphone_plugged() ? 1 : 0);
}