On Thu, 25 Apr 2019 10:50:32 +0200, rander.wang wrote: > > 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 ? PA only sees the "XXX Jack" ALSA control notification, IIRC. And these controls are created by the HD-audio codec driver, and driven by the HD-audio unsolicited events. So first off, check whether the jack detection really works on your chip by issuing the raw HD-audio verbs. If it's properly detected, check whether the unsolicited events are issued and processed. Then follow the code and see whether the "* Jack" control change is invoked. HTH, Takashi _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx https://mailman.alsa-project.org/mailman/listinfo/alsa-devel
