@hui.wang, Thanks a lot for the reply.
1) sudo hdajacksensetest -a Pin 0x12 (Internal Mic): present = No Pin 0x13 (Not connected): present = No Pin 0x14 (Internal Speaker): present = No Pin 0x18 (Not connected): present = No Pin 0x19 (Not connected): present = Yes Pin 0x1a (Not connected): 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 2) plug in 3) sudo hdajacksensetest -a Pin 0x12 (Internal Mic): present = No Pin 0x13 (Not connected): present = No Pin 0x14 (Internal Speaker): present = No Pin 0x18 (Not connected): present = No Pin 0x19 (Not connected): present = Yes Pin 0x1a (Not connected): 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 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1846148 Title: Realtek ALC256M with DTS Audio Processing internal microphone doesn't work on Redmi Book 14 2019 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1846148/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
