added optional support for IBM ACPI (hotkey) events.

Added support for optional IBM ACPI (hotkey) events to HAL. This
feature is disabled by default and need to get enabled by using the
configure option --enable-acpi-ibm. This include also support for the
display rotation events of IBM Tablet PCs.

1 files changed, 99 insertions, 1 deletions

diff --git a/hald/linux/addons/addon-acpi.c b/hald/linux/addons/addon-acpi.c
index f0561caf..dd27e9c6 100644
--- a/hald/linux/addons/addon-acpi.c
+++ b/hald/linux/addons/addon-acpi.c
@@ -89,6 +89,99 @@ acpi_get_event_fp_acpid (void)
 }
 #endif
 
+#ifdef ACPI_IBM_EVENTS
+static void
+handle_ibm_acpi_events (LibHalContext *ctx, int type, int event) 
+{
+	DBusError error;
+	char udi[256];
+	char *button;
+	char **devices;
+	int num_devices;
+	
+	dbus_error_init (&error);
+	button = NULL;
+	snprintf (udi, sizeof (udi), "/org/freedesktop/Hal/devices/computer");
+	
+	if (type == 128) {
+		switch (event) {
+			case 4097: /* Fn+F1 */
+				button = "Fn+F1";
+				break;
+			case 4098:
+				button = "Fn+F2";
+				break;
+			case 4099: /* dpms off */
+				button = "display_off";
+				break;
+			case 4100: /* sleep button */
+				button = "sleep";
+				devices = libhal_manager_find_device_string_match (ctx, "button.type",
+										   "sleep", &num_devices,
+								 		   &error);
+				if (devices != NULL && num_devices > 0) {
+					snprintf (udi, sizeof (udi), devices[0]);
+					libhal_free_string_array (devices);
+				}
+				if (dbus_error_is_set (&error)) 
+					dbus_error_free (&error);
+				break;
+			case 4101: /* wireless */
+				button = "wifi-power";
+				break;
+			case 4102:
+				button = "Fn+F6";
+				break;
+			case 4103: /* switch display */
+				button = "display_switch";
+				break;
+			case 4104:
+				button = "Fn+F8";
+				break;
+			case 4105: /* undock */
+				button = "undock";
+				break;
+			case 4106:
+				button = "Fn+F10";
+				break;
+			case 4107:
+				button = "Fn+F11";
+				break;
+			case 4108: /* Fn+F12 , hibernate/s2disk */ 
+				button = "hibernate";
+				break;
+			case 4109: /* Fn+Backspace*/
+				button = "Fn+Backspace";
+				break;
+			case 4110: /* Fn+Insert*/ 
+				button = "Fn=Insert";
+				break;
+			case 4111: /* Fn+Delete*/ 
+				button = "Fn+Delete";
+				break;
+			case 4112: /* Fn+Home*/ 
+				button = "brightness-up";
+				break;
+			case 20489: /* Tablet rotated */
+				button = "tabletpc_rotate_180";
+				break;
+			case 20490: /* Tablet rotated back*/
+				button = "tabletpc_rotate_normal";
+				break;
+			default:
+				break;
+			
+		}
+		
+		if (button) {
+			libhal_device_emit_condition (ctx, udi, "ButtonPressed",
+						      button, &error);
+			if (dbus_error_is_set (&error)) 
+				dbus_error_free (&error);
+		}
+	}
+}
+#endif
 
 static void
 main_loop (LibHalContext *ctx, FILE *eventfp)
@@ -137,7 +230,12 @@ main_loop (LibHalContext *ctx, FILE *eventfp)
 				HAL_DEBUG (("battery event"));
 				dbus_error_init (&error);
 				libhal_device_rescan (ctx, udi, &error);
-			}
+#ifdef ACPI_IBM_EVENTS
+			} else if (strncmp (acpi_path, "ibm/hotkey", sizeof ("ibm/hotkey") -1) == 0) {
+				/* handle ibm ACPI hotkey events*/
+				handle_ibm_acpi_events(ctx, acpi_num1, acpi_num2);	
+#endif
+			} 
 
 		} else {
 			HAL_DEBUG (("cannot parse event"));