Messages in this thread Patch in this message | | | Date | Sat, 11 Oct 2008 02:35:26 -0400 | From | Len Brown <> | Subject | [PATCH 06/85] ACPI: Add DMI check to disable power state check in power transition |
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From: Zhao Yakui <yakui.zhao@intel.com>
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> --- 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 91bdeb3..945cd2f 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; } -- 1.5.5.1
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