[ltp] ACPI and /proc/acpi/ibm/beep

Henrique de Moraes Holschuh linux-thinkpad@linux-thinkpad.org
Wed, 8 Jul 2009 09:40:22 -0300

On Wed, 08 Jul 2009, kionez wrote:
> #include <Henrique de Moraes Holschuh.h>   // created 06/07/2009 16:41

/* like  :-) */

> > First, please try to get the "beeps" from the internal speakers (not
> > from the microphone, not from line-out).
> I'm using only internal speakers
> > Second, maybe you need to mess with the HDA mixer to enable the beeps
> > :(  I wouldn't know how to help you in _that_.
> I try to set\reset everything related to mixers, starting from a working
> (with 2.6.29) config.
> > Anyway, please send me by private email the output of dmidecode
> > (remove any UUIDs and serial numbers) and of acpidump.  I will check
> > if the ACPI tables  make use of BEEP or not...  it is always possible
> > that Lenovo is phasing that out...
> I'll send it in a short :)

I think you either have an option in the BIOS set so that the thinkpad is
supposed to be silent, or it is something wrong in the HDA mixer.

The DSDT *has* BEEP support, and it *USES* it.  Tell me, does the thinkpad
go "beep" when it enters and exits sleep-to-RAM?

  "One disk to rule them all, One disk to find them. One disk to bring
  them all and in the darkness grind them. In the Land of Redmond
  where the shadows lie." -- The Silicon Valley Tarot
  Henrique Holschuh