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From: Jung-uk Kim <jkim@FreeBSD.org>
Date: Thu, 30 Apr 2009 17:35:44 +0000 (UTC)
To: cvs-src-old@freebsd.org
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Subject: cvs commit: src/sys/dev/acpica acpi.c
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jkim        2009-04-30 17:35:44 UTC

  FreeBSD src repository

  Modified files:
    sys/dev/acpica       acpi.c 
  Log:
  SVN rev 191695 on 2009-04-30 17:35:44Z by jkim
  
  General sleep state change clean up.
  
  - Probe supported sleep states from acpi_attach() just once and do not
  call AcpiGetSleepTypeData() again.  It is redundant because
  AcpiEnterSleepStatePrep() does it any way.
  - Treat UNKNOWN sleep state as NONE, i.e., "do nothing", and remove obscure
  NONE state (ACPI_S_STATES_MAX + 1) to avoid confusions.
  - Do not set unsupported sleep states as default button/switch events.
  If the default sleep state is not supported, just set it as UNKNOWN/NONE.
  - Do not allow sleep state change if the system is not fully up and running.
  This should prevent entering S5 state multiple times, which causes strange
  behaviours later.
  - Make sleep states case-insensitive when they are used with sysctl(8).
  For example,
  
          sysctl hw.acpi.lid_switch_state=s1
          sysctl hw.acpi.sleep_button_state=none
  
  are now legal and equivalent to the uppercase ones.
  
  Revision  Changes    Path
  1.259     +110 -68   src/sys/dev/acpica/acpi.c