[alsa-devel] HDAudio and pulse audio

Hi all,

I am working on sound open firmware in ASoC to enable HDAudio with pulse audio in ubuntu.         There is a HDAudio codec driver hdac_hda.c in ASoC, which invokes HDAudio functions defined         in sound/pci/hda, for ASoC to utilize the HDAudio codec. Now I get a issue: pulse audio can't  detect        headphone pluged or not.

Could anyone help to tell me about Jack detection flow in HDAudio and how does HDAudio         work with pulse audio ? Does HDAudio report a event to pulse audio when headphone detected ?        As I know,  ASoC codec driver would invoke snd_soc_jack_report to notify user mode, how about HDAudio        driver ?

Thanks!

Rander