diff options
| author | Zhao Yakui <yakui.zhao@intel.com> | 2008-08-11 14:59:59 +0800 |
|---|---|---|
| committer | Len Brown <len.brown@intel.com> | 2008-10-22 18:00:13 -0400 |
| commit | 6415e12ba0f92a54f02d9c4ecaa3c82f35f3d335 (patch) | |
| tree | add3587c390f4afce6c1f2c3e7e95f5117fd7432 /drivers/acpi | |
| parent | f5adfaa372c76423b6e8e4727a9701330374f364 (diff) | |
ACPI: Add DMI check to disable power state check in power transition
Add the DMI check to disable power check in the course of device power
transistion.
http://bugzilla.kernel.org/show_bug.cgi?id=11000
Signed-off-by: Zhao Yakui <yakui.zhao@intel.com>
Signed-off-by: Li Shaohua <shaohua.li@intel.com>
Signed-off-by: Andi Kleen <ak@linux.intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'drivers/acpi')
| -rw-r--r-- | drivers/acpi/bus.c | 23 |
1 files changed, 22 insertions, 1 deletions
diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c index 91bdeb3b081..945cd2f2807 100644 --- a/drivers/acpi/bus.c +++ b/drivers/acpi/bus.c @@ -48,6 +48,23 @@ EXPORT_SYMBOL(acpi_root_dir); #define STRUCT_TO_INT(s) (*((int*)&s)) +static int set_power_nocheck(const struct dmi_system_id *id) +{ + printk(KERN_NOTICE PREFIX "%s detected - " + "disable power check in power transistion\n", id->ident); + acpi_power_nocheck = 1; + return 0; +} +static struct dmi_system_id __cpuinitdata power_nocheck_dmi_table[] = { + { + set_power_nocheck, "HP Pavilion 05", { + DMI_MATCH(DMI_BIOS_VENDOR, "Phoenix Technologies LTD"), + DMI_MATCH(DMI_SYS_VENDOR, "HP Pavilion 05"), + DMI_MATCH(DMI_PRODUCT_VERSION, "2001211RE101GLEND") }, NULL}, + {}, +}; + + /* -------------------------------------------------------------------------- Device Management -------------------------------------------------------------------------- */ @@ -830,7 +847,11 @@ static int __init acpi_init(void) } } else disable_acpi(); - + /* + * If the laptop falls into the DMI check table, the power state check + * will be disabled in the course of device power transistion. + */ + dmi_check_system(power_nocheck_dmi_table); return result; } |