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authorSeth Forshee <seth.forshee@canonical.com>2011-07-01 11:34:27 +0200
committerMatthew Garrett <mjg@redhat.com>2011-08-05 14:45:48 -0400
commitc4453f6a7ceff330ff37a9712ee8305fc3f8e9b6 (patch)
tree6a1564cbff80f8a7df4fa7160cc442ed6d49103a /drivers/platform
parent49979d091d1847823c064301da1ec173619ddd92 (diff)
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>
Diffstat (limited to 'drivers/platform')
-rw-r--r--drivers/platform/x86/asus-wmi.c12
-rw-r--r--drivers/platform/x86/asus-wmi.h6
2 files changed, 17 insertions, 1 deletions
diff --git a/drivers/platform/x86/asus-wmi.c b/drivers/platform/x86/asus-wmi.c
index bcb9fb41ddc4..cea9fdcad64c 100644
--- a/drivers/platform/x86/asus-wmi.c
+++ b/drivers/platform/x86/asus-wmi.c
@@ -1061,6 +1061,8 @@ static void asus_wmi_notify(u32 value, void *context)
acpi_status status;
int code;
int orig_code;
+ unsigned int key_value = 1;
+ bool autorelease = 1;
status = wmi_get_event_data(value, &response);
if (status != AE_OK) {
@@ -1076,6 +1078,13 @@ static void asus_wmi_notify(u32 value, void *context)
code = obj->integer.value;
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)
code = NOTIFY_BRNUP_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 (!acpi_video_backlight_support())
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);
exit:
diff --git a/drivers/platform/x86/asus-wmi.h b/drivers/platform/x86/asus-wmi.h
index c044522c8766..4da61033bcb9 100644
--- a/drivers/platform/x86/asus-wmi.h
+++ b/drivers/platform/x86/asus-wmi.h
@@ -29,6 +29,8 @@
#include <linux/platform_device.h>
+#define ASUS_WMI_KEY_IGNORE (-1)
+
struct module;
struct key_entry;
struct asus_wmi;
@@ -44,6 +46,10 @@ struct asus_wmi_driver {
const struct key_entry *keymap;
const char *input_name;
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);
void (*quirks) (struct asus_wmi_driver *driver);