29 Feb
2012
29 Feb
'12
4:26 p.m.
On Wed, Feb 29, 2012 at 11:05:25PM +0800, Raymond Yau wrote:
Does your headset/mic has a TRRS (Tip, ring, ring, sleeve) connector instead of TRS (Tip, ring, sleeve) connector ?
You can use David's hda-jack-sense-test to find out any jack sense at the node of External mic when you plug the headset , if not , you may need to modify unsol event of headphone to select the external mic , internal mic.
Given that this is a MacBook Air it'll be the Apple pinout with ground on pin 3; any Apple headset and most third party ones ought to be happy.