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Merge branches 'acpi-general' and 'acpi-video'

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* acpi-general:
  ACPI: Fix bug when ACPI reset register is implemented in system memory

* acpi-video:
  ACPI / video: Change the default for video.use_native_backlight to 1
This commit is contained in:
Rafael J. Wysocki 2014-06-12 13:42:37 +02:00
commit de815a6d00
2 changed files with 13 additions and 1 deletions
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12
drivers/acpi/osl.c
View File

@ -1810,6 +1810,16 @@ acpi_status __init acpi_os_initialize(void)
acpi_os_map_generic_address(&acpi_gbl_FADT.xpm1b_event_block);
acpi_os_map_generic_address(&acpi_gbl_FADT.xgpe0_block);
acpi_os_map_generic_address(&acpi_gbl_FADT.xgpe1_block);
if (acpi_gbl_FADT.flags & ACPI_FADT_RESET_REGISTER) {
/*
* Use acpi_os_map_generic_address to pre-map the reset
* register if it's in system memory.
*/
int rv;
rv = acpi_os_map_generic_address(&acpi_gbl_FADT.reset_register);
pr_debug(PREFIX "%s: map reset_reg status %d\n", __func__, rv);
}
return AE_OK;
}
@ -1838,6 +1848,8 @@ acpi_status acpi_os_terminate(void)
acpi_os_unmap_generic_address(&acpi_gbl_FADT.xgpe0_block);
acpi_os_unmap_generic_address(&acpi_gbl_FADT.xpm1b_event_block);
acpi_os_unmap_generic_address(&acpi_gbl_FADT.xpm1a_event_block);
if (acpi_gbl_FADT.flags & ACPI_FADT_RESET_REGISTER)
acpi_os_unmap_generic_address(&acpi_gbl_FADT.reset_register);
destroy_workqueue(kacpid_wq);
destroy_workqueue(kacpi_notify_wq);

2
drivers/acpi/video.c
View File

@ -82,7 +82,7 @@ module_param(allow_duplicates, bool, 0644);
* For Windows 8 systems: used to decide if video module
* should skip registering backlight interface of its own.
*/
static int use_native_backlight_param = -1;
static int use_native_backlight_param = 1;
module_param_named(use_native_backlight, use_native_backlight_param, int, 0444);
static bool use_native_backlight_dmi = false;