1) external mic not plugin
:~$ sudo hdajacksensetest -a [sudo] password for lilian: Pin 0x12 (Not connected): present = No Pin 0x13 (Not connected): present = No Pin 0x14 (Internal Speaker): present = No Pin 0x18 (Not connected): present = No Pin 0x19 (Black Mic, Left side): present = Yes Pin 0x1a (Black Mic, Right side): present = No Pin 0x1b (Not connected): present = No Pin 0x1d (Not connected): present = No Pin 0x1e (Not connected): present = No Pin 0x21 (Black Headphone, Left side): present = No
External mic plug in
sudo hdajacksensetest -a Pin 0x12 (Not connected): present = No Pin 0x13 (Not connected): present = No Pin 0x14 (Internal Speaker): present = No Pin 0x18 (Not connected): present = No Pin 0x19 (Black Mic, Left side): present = Yes Pin 0x1a (Black Mic, Right side): present = No Pin 0x1b (Not connected): present = No Pin 0x1d (Not connected): present = No Pin 0x1e (Not connected): present = No Pin 0x21 (Black Headphone, Left side): present = Yes
1) external mic not plugin
:~$ sudo hdajacksensetest -a
[sudo] password for lilian:
Pin 0x12 (Not connected): present = No
Pin 0x13 (Not connected): present = No
Pin 0x14 (Internal Speaker): present = No
Pin 0x18 (Not connected): present = No
Pin 0x19 (Black Mic, Left side): present = Yes
Pin 0x1a (Black Mic, Right side): present = No
Pin 0x1b (Not connected): present = No
Pin 0x1d (Not connected): present = No
Pin 0x1e (Not connected): present = No
Pin 0x21 (Black Headphone, Left side): present = No
External mic plug in
sudo hdajacksensetest -a
Pin 0x12 (Not connected): present = No
Pin 0x13 (Not connected): present = No
Pin 0x14 (Internal Speaker): present = No
Pin 0x18 (Not connected): present = No
Pin 0x19 (Black Mic, Left side): present = Yes
Pin 0x1a (Black Mic, Right side): present = No
Pin 0x1b (Not connected): present = No
Pin 0x1d (Not connected): present = No
Pin 0x1e (Not connected): present = No
Pin 0x21 (Black Headphone, Left side): present = Yes