git bisect start '--' 'sound/pci/hda/patch_realtek.c'
# bad: [a3fd1a986e499a06ac5ef95c3a39aa4611e7444c] ALSA: hda/realtek: Fix the mic type detection issue for ASUS G551JW
git bisect bad a3fd1a986e499a06ac5ef95c3a39aa4611e7444c
# good: [eb676622846b34a751e2ff9b5910a5322a4e0000] ALSA: hda/realtek: Enable 4-speaker output for Dell Precision 5560 laptop
git bisect good eb676622846b34a751e2ff9b5910a5322a4e0000
# good: [cc03069a397005da24f6783835c274d5aedf6043] ALSA: hda/realtek: Add quirk for Clevo X170KM-G
git bisect good cc03069a397005da24f6783835c274d5aedf6043
# bad: [dd6dd6e3c791db7fdbc5433ec7e450717aa3a0ce] ALSA: hda/realtek: Add quirk for TongFang PHxTxX1
git bisect bad dd6dd6e3c791db7fdbc5433ec7e450717aa3a0ce
# bad: [5aec98913095ed3b4424ed6c5fdeb6964e9734da] ALSA: hda/realtek - ALC236 headset MIC recording issue
git bisect bad 5aec98913095ed3b4424ed6c5fdeb6964e9734da
# first bad commit: [5aec98913095ed3b4424ed6c5fdeb6964e9734da] ALSA: hda/realtek - ALC236 headset MIC recording issue