[Bugme-new] [Bug 11430] New: Selecting CONFIG_RTC_CLASS excludes CONFIG_SND_RTCTIMER

bugme-daemon at bugzilla.kernel.org bugme-daemon at bugzilla.kernel.org
Tue Aug 26 05:55:13 PDT 2008


http://bugzilla.kernel.org/show_bug.cgi?id=11430

           Summary: Selecting CONFIG_RTC_CLASS excludes CONFIG_SND_RTCTIMER
           Product: Drivers
           Version: 2.5
     KernelVersion: 2.6.26.3
          Platform: All
        OS/Version: Linux
              Tree: Mainline
            Status: NEW
          Severity: normal
          Priority: P1
         Component: Sound(ALSA)
        AssignedTo: perex at perex.cz
        ReportedBy: wjfgb at paygi.co.uk


Latest working kernel version:   2.6.25.6
Earliest failing kernel version: 2.6.26
Distribution:                    Slackware 12
Hardware Environment:            AMD K8 on Asus M2NPV-VM
Software Environment:            Using GNU Make 3.81
Problem Description:

During kernel config, selecting CONFIG_RTC_CLASS (rtc-core) excludes
CONFIG_SND_RTCTIMER (snd-rtctimer)

Both options were independently available in 2.6.25.6, the changed
behaviour described below first appeared in 2.6.26 and is repeated
in 2.6.26.1 and 2.6.26.3

If the intention was that the two options should be exclusive then
could a note be provided in the help text/documentaion to that
effect, OR if the that was not the intention is it possible to
revert to the previous behaviour?


Steps to reproduce:

  Untar kernel 2.6.26.3 source.
  Start off without any ".config" file.
  make menuconfig

  First confirm that
  "Device Drivers -> Sound -> ALSA -> RTC Timer support"
  option is available.

  Next select "Device Drivers -> Real Time Clock". This results in the option
  "Device Drivers -> Sound ALSA -> RTC Timer support" no longer being
  shown.


The area of interest on the menu :-

  Linux Kernel v2.6.26.3 Configuration

    Device Drivers  --->
      Sound  --->
        Advanced Linux Sound Architecture  --->
          < >   RTC Timer support (NEW)              <----
                                                          |  Exclusive
                                                          |  in 2.6.26.x
      < > Real Time Clock  --->                      <----


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