2 files changed, 7 insertions(+), 1 deletions(-)

M changelog.md
M module-bsp/board/rt1051/bsp/audio/CodecMAX98090.cpp

@@ 11,6 11,7 @@
 
 * `[audio]` Fix playback of mono sound using headphones
 * `[vfs]` Fix emulator build error for target Linux Release
+* `[audio]` Fix builtin microphone handling
 
 ## Changed
 

@@ 189,7 189,8 @@ CodecRetCode CodecMAX98090::Start(const CodecParams &param)
         } break;
 
         case bsp::AudioDevice::InputPath::Microphone: {
-            max98090_reg_digmic_enable_t digena = {0};
+            max98090_reg_input_to_record_quick_t q_input_setup = {0};
+            max98090_reg_digmic_enable_t digena                = {0};
 
             // Enable left and right digital mic interface
             digena.digmicl = 1;


@@ 199,6 200,10 @@ CodecRetCode CodecMAX98090::Start(const CodecParams &param)
 
             i2cAddr.subAddress = MAX98090_REG_DIG_MIC_ENABLE;
             i2c->Write(i2cAddr, (uint8_t *)&digena, 1);
+
+            q_input_setup.in12sab = 1;
+            i2cAddr.subAddress    = MAX98090_REG_LINE_INPUT_TO_RECORD_QUICK;
+            i2c->Write(i2cAddr, (uint8_t *)&q_input_setup, 1);
         } break;
 
         default: