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asus-wmi: Add callback for hotkey filtering 

This is required for the T101MT home key, which behaves differently
than other hotkeys.

Signed-off-by: Seth Forshee <seth.forshee@canonical.com>
Signed-off-by: Corentin Chary <corentin.chary@gmail.com>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
This commit is contained in:
Seth Forshee 2011-07-01 11:34:27 +02:00 committed by Matthew Garrett
parent 49979d091d
commit c4453f6a7c
2 changed files with 17 additions and 1 deletions
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12
drivers/platform/x86/asus-wmi.c
View File

@ -1061,6 +1061,8 @@ static void asus_wmi_notify(u32 value, void *context)
acpi_status status; acpi_status status;
int code; int code;
int orig_code; int orig_code;
unsigned int key_value = 1;
bool autorelease = 1;
status = wmi_get_event_data(value, &response); status = wmi_get_event_data(value, &response);
if (status != AE_OK) { if (status != AE_OK) {
@ -1076,6 +1078,13 @@ static void asus_wmi_notify(u32 value, void *context)
code = obj->integer.value; code = obj->integer.value;
orig_code = code; orig_code = code;
if (asus->driver->key_filter) {
asus->driver->key_filter(asus->driver, &code, &key_value,
&autorelease);
if (code == ASUS_WMI_KEY_IGNORE)
goto exit;
}
if (code >= NOTIFY_BRNUP_MIN && code <= NOTIFY_BRNUP_MAX) if (code >= NOTIFY_BRNUP_MIN && code <= NOTIFY_BRNUP_MAX)
code = NOTIFY_BRNUP_MIN; code = NOTIFY_BRNUP_MIN;
else if (code >= NOTIFY_BRNDOWN_MIN && else if (code >= NOTIFY_BRNDOWN_MIN &&
@ -1085,7 +1094,8 @@ static void asus_wmi_notify(u32 value, void *context)
if (code == NOTIFY_BRNUP_MIN || code == NOTIFY_BRNDOWN_MIN) { if (code == NOTIFY_BRNUP_MIN || code == NOTIFY_BRNDOWN_MIN) {
if (!acpi_video_backlight_support()) if (!acpi_video_backlight_support())
asus_wmi_backlight_notify(asus, orig_code); asus_wmi_backlight_notify(asus, orig_code);
} else if (!sparse_keymap_report_event(asus->inputdev, code, 1, true)) } else if (!sparse_keymap_report_event(asus->inputdev, code,
key_value, autorelease))
pr_info("Unknown key %x pressed\n", code); pr_info("Unknown key %x pressed\n", code);
exit: exit:

6
drivers/platform/x86/asus-wmi.h
View File

@ -29,6 +29,8 @@
#include <linux/platform_device.h> #include <linux/platform_device.h>
#define ASUS_WMI_KEY_IGNORE (-1)
struct module; struct module;
struct key_entry; struct key_entry;
struct asus_wmi; struct asus_wmi;
@ -44,6 +46,10 @@ struct asus_wmi_driver {
const struct key_entry *keymap; const struct key_entry *keymap;
const char *input_name; const char *input_name;
const char *input_phys; const char *input_phys;
/* Returns new code, value, and autorelease values in arguments.
* Return ASUS_WMI_KEY_IGNORE in code if event should be ignored. */
void (*key_filter) (struct asus_wmi_driver *driver, int *code,
unsigned int *value, bool *autorelease);
int (*probe) (struct platform_device *device); int (*probe) (struct platform_device *device);
void (*quirks) (struct asus_wmi_driver *driver); void (*quirks) (struct asus_wmi_driver *driver);