diff options
Diffstat (limited to 'drivers/acpi/acpi_video.c')
| -rw-r--r-- | drivers/acpi/acpi_video.c | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/drivers/acpi/acpi_video.c b/drivers/acpi/acpi_video.c index 2a649f3edefb..2971154fdd62 100644 --- a/drivers/acpi/acpi_video.c +++ b/drivers/acpi/acpi_video.c @@ -77,6 +77,13 @@ module_param(allow_duplicates, bool, 0644); static int disable_backlight_sysfs_if = -1; module_param(disable_backlight_sysfs_if, int, 0444); +#define REPORT_OUTPUT_KEY_EVENTS 0x01 +#define REPORT_BRIGHTNESS_KEY_EVENTS 0x02 +static int report_key_events = -1; +module_param(report_key_events, int, 0644); +MODULE_PARM_DESC(report_key_events, + "0: none, 1: output changes, 2: brightness changes, 3: all"); + static bool device_id_scheme = false; module_param(device_id_scheme, bool, 0444); @@ -1480,7 +1487,7 @@ static void acpi_video_bus_notify(struct acpi_device *device, u32 event) /* Something vetoed the keypress. */ keycode = 0; - if (keycode) { + if (keycode && (report_key_events & REPORT_OUTPUT_KEY_EVENTS)) { input_report_key(input, keycode, 1); input_sync(input); input_report_key(input, keycode, 0); @@ -1544,7 +1551,7 @@ static void acpi_video_device_notify(acpi_handle handle, u32 event, void *data) acpi_notifier_call_chain(device, event, 0); - if (keycode) { + if (keycode && (report_key_events & REPORT_BRIGHTNESS_KEY_EVENTS)) { input_report_key(input, keycode, 1); input_sync(input); input_report_key(input, keycode, 0); @@ -2080,7 +2087,8 @@ bool acpi_video_handles_brightness_key_presses(void) have_video_busses = !list_empty(&video_bus_head); mutex_unlock(&video_list_lock); - return have_video_busses; + return have_video_busses && + (report_key_events & REPORT_BRIGHTNESS_KEY_EVENTS); } EXPORT_SYMBOL(acpi_video_handles_brightness_key_presses); |