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fix mic insertion issue

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This commit is contained in:
Steven Dan
2026-04-11 21:13:10 +08:00
parent f90a49d763
commit e3fb9b0499
2 changed files with 4 additions and 2 deletions
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2
sw_usb_audio/app_usb_aud_phaten_golden_6ch/src/extensions/audiohw.xc
View File

@@ -226,6 +226,8 @@ void mic_volume(unsigned level)
else if(level == NAU88L21_PGA_GAIN_REG_MAX_VALUE) else if(level == NAU88L21_PGA_GAIN_REG_MAX_VALUE)
{ {
// 内部最大值 (reg=38, +1.5dB数字增益，仅firmware使用) // 内部最大值 (reg=38, +1.5dB数字增益，仅firmware使用)
// PGA设到最大(37=0x25)，数字增益额外+1.5dB
unsafe {NAU88C22_REGWRITE(0x007E, (NAU88L21_PGA_GAIN_REG_MAX_VALUE-1) << 8, (client interface i2c_master_if)i_i2c_client);}
unsafe {NAU88C22_REGWRITE(0x0035, (0xd2d2), (client interface i2c_master_if)i_i2c_client);} unsafe {NAU88C22_REGWRITE(0x0035, (0xd2d2), (client interface i2c_master_if)i_i2c_client);}
} }
else else

4
sw_usb_audio/app_usb_aud_phaten_golden_6ch/src/extensions/dsp.c
View File

@@ -255,8 +255,8 @@ void UserBufferManagement(unsigned sampsFromUsbToAudio[], unsigned sampsFromAudi
#endif #endif
GET_SHARED_GLOBAL(is_monitor, g_monitor_switch_t1); GET_SHARED_GLOBAL(is_monitor, g_monitor_switch_t1);
if (is_monitor) { if (is_monitor) {
sampsFromUsbToAudio[0] += (sampsFromAudioToUsb[0] >> 1); sampsFromUsbToAudio[0] += (sampsFromAudioToUsb[0]);
sampsFromUsbToAudio[1] += (sampsFromAudioToUsb[1] >> 1); sampsFromUsbToAudio[1] += (sampsFromAudioToUsb[1]);
} }
} }