On 2009-06-30 07:57, Takashi Iwai wrote: > At Mon, 29 Jun 2009 16:24:14 -0700, > Paul Vojta wrote: >> >> On Sun, Jun 28, 2009 at 01:09:26PM +0200, Kurt J. Bosch wrote: >>> On 2009-06-28 10:38, Takashi Iwai wrote: >>>> At Sat, 27 Jun 2009 23:39:08 -0700, >>>> Paul Vojta wrote: >>>>> >>>>> On Sat, Jun 27, 2009 at 09:36:42AM +0200, Takashi Iwai wrote: >>>>>> At Fri, 26 Jun 2009 10:03:54 +0400, >>>>>> Michael Tokarev wrote: >>>>>>> >>>>>>> [Adding some more Cc's...] >>>>>>> >>>>>>> Am I the only concerned about this? My 2.6.30 is still >>>>>>> silent w.r.t. old good PC speaker beeps, and I wasn't >>>>>>> able to make it to produce any sound. Yes, as pointed >>>>>>> out by others there is a control now, in alsa, and I >>>>>>> can hear ugly and scary beeps from my stereo speakers >>>>>>> (when they're turned on and when the control is un-muted). >>>>>>> But that's.. not a solution/answer to the original >>>>>>> question... ;) >>>>>> >>>>>> Try 2.6.31-rc1. There was a fix regarding beep frequency. >>>>> >>>>> Not necessarily. Based on the OP's original post, as well as his mails >>>>> to the LKML (Google the subject line to find them), he has a desktop >>>>> system with external powered speakers connected to a sound card, and also >>>>> a small PC speaker inside the system case. He wants to hear the beeps >>>>> coming out of the small speaker, since the external speakers (and/or sound >>>>> card) are not always turned on. >>>> >>>> To avoid someone misunderstanding: the beep routed through HD-audio >>>> can also go to the built-in speaker. It's just mixed up with the >>>> normal audio output, and the volume is controlled via ALSA mixer >>>> volume element. >>>> >>>> But, once after it's hooked up to the codec, the beep can't be output >>>> separately to the speaker. It's always with other audio signal to the >>>> same output target. >>>> >>>> Or, on some systems (mostly laptops), the beep is hooked up to the >>>> codec automatically no matter whether you set >>>> CONFIG_SND_HDA_INPUT_BEEP once when the codec chip is initialized. >>>> So, the behavior depends pretty much on the hardware implementation. >>>> >>> I face the same problem as the OP since kernel 2.6.30 on ArchLinux on >>> a desktop machine. I was able to get beep working through the built in >>> speaker again by doing a 'modprobe -r pcspkr' followed by a >>> 'modprobe pcspkr' after sysinit. It seems there is some kind of >>> struggle goinig on here between alsa and pcspkr. Isn't there any >>> kernel line or modules configuration option to disable the alsa pc-beep? >> >> Hm... apparently not. Probably there should be a module option for this, though. > > In the latest sound git tree, you can use "patch" file (passed via > module option) to specify codec-specific setup. > It's for 2.6.32, though. > Sounds rather complicated to me. :) ALSA's snd-hda-intel is stealing the beeps allready 'owned' by pcspkr. It does this every time it gets [re]loaded. Doing so while lacking a configuration option to disable that behavior is a bug IMHO. (If you use beep to get some alarm notification from hardware sensors or such you will depend on stereo speakers connected and powered on.) Do I miss something ? _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel
