static void codecConfig()
{
codecWriteReg(0x0f, 0b000000000); // Reset!
codedSetInVolume(0);
codedSetOutVolume(-10);
codecWriteReg(0x04, 0b000010010); // Analog path - select DAC, no bypass
codecWriteReg(0x05, 0b000000000); // Digital path - disable soft mute
codecWriteReg(0x06, 0b000000000); // Power down control - enable everything
codecWriteReg(0x07, 0b000000010); // Interface format - 16-bit I2S
codecWriteReg(0x09, 0b000000001); // Active control - engage!
}
void codedSetOutVolume(int voldB)
{
// -73 <= voldB <= 6
const unsigned volume = 121 + voldB;
codecWriteReg(0x02, 0x100 | (volume & 0x7f)); // Left headphone
}
void codedSetInVolume(int vol)
{
// -23 <= vol <= 8
const unsigned involume = 0x17 + vol;
codecWriteReg(0x00, 0x100 | (involume & 0x1f)); // Left line in, unmute
}
