ACPI: Add DMI check to disable power state check in power transition (6415e12b) · Commits · 戴 / test

drivers/acpi/bus.c

+22 −1

Original line number	Diff line number	Diff line
		@@ -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;
		}