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From: Mike Silbersack <silby@FreeBSD.org>
Date: Sat, 13 Dec 2008 06:04:34 +0000 (UTC)
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Subject: cvs commit: src/sys/dev/acpica acpi_smbat.c
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silby       2008-12-13 06:04:34 UTC

  FreeBSD src repository

  Modified files:
    sys/dev/acpica       acpi_smbat.c 
  Log:
  SVN rev 186026 on 2008-12-13 06:04:34Z by silby
  
  Add the sysctl debug.acpi.batt.batt_sleep_ms.
  
  On some laptops with smart batteries, enabling battery monitoring
  software causes keystrokes from atkbd to be lost.  This has also been
  reported on Linux, and is apparently due to the keyboard and I2C line
  for the battery being routed through the same chip.  Whether that's
  accurate or not, adding extra sleeps to the status checking code
  causes the problem to go away.
  
  I've been running this for nearly six months now on my laptop,
  it works like a charm.
  
  Reviewed by:    Nate Lawson (in a previous revision)
  MFC after:      2 weeks
  
  Revision  Changes    Path
  1.6       +34 -0     src/sys/dev/acpica/acpi_smbat.c