Re: [alsa-devel] Jack sensing in snd_usb_audio ?

2016-10-28 Thread Bastien Nocera
On Tue, 2016-10-18 at 14:07 +0200, Takashi Iwai wrote: > On Wed, 12 Oct 2016 18:15:04 +0200, > Bastien Nocera wrote: > > > > On Wed, 2016-10-12 at 18:06 +0200, Clemens Ladisch wrote: > > > Bastien Nocera wrote: > > > > On Wed, 2016-10-12 at 14:43 +0200, Clemens Ladisch wrote: > > > > > Bastien

Re: [alsa-devel] Jack sensing in snd_usb_audio ?

2016-10-18 Thread Takashi Iwai
On Tue, 18 Oct 2016 15:33:42 +0200, Felipe Ferreri Tonello wrote: > > Hi Takashi > > On 18/10/16 13:07, Takashi Iwai wrote: > > On Wed, 12 Oct 2016 18:15:04 +0200, > > Bastien Nocera wrote: > >> > >> On Wed, 2016-10-12 at 18:06 +0200, Clemens Ladisch wrote: > >>> Bastien Nocera wrote: > On

Re: [alsa-devel] Jack sensing in snd_usb_audio ?

2016-10-18 Thread Felipe Ferreri Tonello
Hi Takashi On 18/10/16 13:07, Takashi Iwai wrote: > On Wed, 12 Oct 2016 18:15:04 +0200, > Bastien Nocera wrote: >> >> On Wed, 2016-10-12 at 18:06 +0200, Clemens Ladisch wrote: >>> Bastien Nocera wrote: On Wed, 2016-10-12 at 14:43 +0200, Clemens Ladisch wrote: > Bastien Nocera wrote:

Re: [alsa-devel] Jack sensing in snd_usb_audio ?

2016-10-18 Thread Takashi Iwai
On Wed, 12 Oct 2016 18:15:04 +0200, Bastien Nocera wrote: > > On Wed, 2016-10-12 at 18:06 +0200, Clemens Ladisch wrote: > > Bastien Nocera wrote: > > > On Wed, 2016-10-12 at 14:43 +0200, Clemens Ladisch wrote: > > > > Bastien Nocera wrote: > > > > > " > > > > > A change of state in the audio

Re: [alsa-devel] Jack sensing in snd_usb_audio ?

2016-10-12 Thread Bastien Nocera
On Wed, 2016-10-12 at 18:06 +0200, Clemens Ladisch wrote: > Bastien Nocera wrote: > > On Wed, 2016-10-12 at 14:43 +0200, Clemens Ladisch wrote: > > > Bastien Nocera wrote: > > > > " > > > > A change of state in the audio function is most often caused by > > > > a > > > > certain event that takes

Re: [alsa-devel] Jack sensing in snd_usb_audio ?

2016-10-12 Thread Clemens Ladisch
Bastien Nocera wrote: > On Wed, 2016-10-12 at 14:43 +0200, Clemens Ladisch wrote: >> Bastien Nocera wrote: >>> " >>> A change of state in the audio function is most often caused by a >>> certain event that takes place. An event can either be user- >>> initiated >>> or device-initiated.

Re: [alsa-devel] Jack sensing in snd_usb_audio ?

2016-10-12 Thread Bastien Nocera
On Wed, 2016-10-12 at 14:43 +0200, Clemens Ladisch wrote: > Bastien Nocera wrote: > > Looks like whether or not jack sensing works depends on the device > > itself, but there is a mechanism to propagate the change in setup > > in > > the USB Audio 2.0 spec > > > Some recent Windows 10 beta added

Re: Jack sensing in snd_usb_audio ?

2016-10-12 Thread Felipe Ferreri Tonello
Hi Bastien, On 12/10/16 12:58, Bastien Nocera wrote: > On Wed, 2016-10-12 at 19:36 +0900, Takashi Sakamoto wrote: >> On Oct 12 2016 14:10, Bastien Nocera wrote: >>> My questions are: >>> - does the USB audio driver support jack sensing? >>> - is this something standard that's just not implemented

Re: [alsa-devel] Jack sensing in snd_usb_audio ?

2016-10-12 Thread Clemens Ladisch
Bastien Nocera wrote: > Looks like whether or not jack sensing works depends on the device > itself, but there is a mechanism to propagate the change in setup in > the USB Audio 2.0 spec Some recent Windows 10 beta added partial support for USB Audio 2.0. Earlier Windowses implement only USB

Re: Jack sensing in snd_usb_audio ?

2016-10-12 Thread Bastien Nocera
On Wed, 2016-10-12 at 19:36 +0900, Takashi Sakamoto wrote: > On Oct 12 2016 14:10, Bastien Nocera wrote: > > My questions are: > > - does the USB audio driver support jack sensing? > > - is this something standard that's just not implemented yet? In > > which > > case, I'd be up for at least

Re: Jack sensing in snd_usb_audio ?

2016-10-12 Thread Takashi Sakamoto
On Oct 12 2016 14:10, Bastien Nocera wrote: > My questions are: > - does the USB audio driver support jack sensing? > - is this something standard that's just not implemented yet? In which > case, I'd be up for at least trying, given specs. > - or is it something that depends on the device, and in

Re: Jack sensing in snd_usb_audio ?

2016-10-12 Thread Bastien Nocera
On Wed, 2016-10-12 at 11:14 +0200, Felipe Ferreri Tonello wrote: > > What you need is PulseAudio server instead. PulseAudio supports this > via > kcontrol for quite some time. > > Jack is supposed to be a low-latency audio server for audio > applications, not for normal desktop usage. I'm not

Re: Jack sensing in snd_usb_audio ?

2016-10-12 Thread Felipe Ferreri Tonello
Hi Bastien, On 12/10/16 07:10, Bastien Nocera wrote: > Hey, > > I recently bought some cheap USB soundcards for a computer that doesn't > have any audio output other than through the HDMI output, and the > screen I'm attaching doesn't have an audio output. > > So I'm looking to plug in 2 of

Jack sensing in snd_usb_audio ?

2016-10-11 Thread Bastien Nocera
Hey, I recently bought some cheap USB soundcards for a computer that doesn't have any audio output other than through the HDMI output, and the screen I'm attaching doesn't have an audio output. So I'm looking to plug in 2 of those USB soundcards, and switch between them depending on whether I'm