X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=drivers%2Facpi%2Fsbshc.c;h=fd40b6a1d639693a9160080b736c4c8d86cb909e;hb=6ed31e92e94830c138fbd470486383380710069a;hp=046d7c3ed3561d93e3eee36927abc3271ac6fd83;hpb=0c326331c8b107abc0a160e8899d749150b8f76a;p=pandora-kernel.git

diff --git a/drivers/acpi/sbshc.c b/drivers/acpi/sbshc.c
index 046d7c3ed356..fd40b6a1d639 100644
--- a/drivers/acpi/sbshc.c
+++ b/drivers/acpi/sbshc.c
@@ -202,10 +202,9 @@ int acpi_smbus_unregister_callback(struct acpi_smb_hc *hc)
 
 EXPORT_SYMBOL_GPL(acpi_smbus_unregister_callback);
 
-static void acpi_smbus_callback(void *context)
+static inline void acpi_smbus_callback(void *context)
 {
 	struct acpi_smb_hc *hc = context;
-
 	if (hc->callback)
 		hc->callback(hc->context);
 }
@@ -214,6 +213,7 @@ static int smbus_alarm(void *context)
 {
 	struct acpi_smb_hc *hc = context;
 	union acpi_smb_status status;
+	u8 address;
 	if (smb_hc_read(hc, ACPI_SMB_STATUS, &status.raw))
 		return 0;
 	/* Check if it is only a completion notify */
@@ -222,9 +222,18 @@ static int smbus_alarm(void *context)
 	if (!status.fields.alarm)
 		return 0;
 	mutex_lock(&hc->lock);
+	smb_hc_read(hc, ACPI_SMB_ALARM_ADDRESS, &address);
+	status.fields.alarm = 0;
 	smb_hc_write(hc, ACPI_SMB_STATUS, status.raw);
-	if (hc->callback)
-		acpi_os_execute(OSL_GPE_HANDLER, acpi_smbus_callback, hc);
+	/* We are only interested in events coming from known devices */
+	switch (address >> 1) {
+		case ACPI_SBS_CHARGER:
+		case ACPI_SBS_MANAGER:
+		case ACPI_SBS_BATTERY:
+			acpi_os_execute(OSL_GPE_HANDLER,
+					acpi_smbus_callback, hc);
+		default:;
+	}
 	mutex_unlock(&hc->lock);
 	return 0;
 }