asus-laptop: add display switching support

[linux-2.6-omap-h63xx.git] / drivers / acpi / i2c_ec.c

diff --git a/drivers/acpi/i2c_ec.c b/drivers/acpi/i2c_ec.c
index 6342e612c203726514be32d5ab4e97ecf579f552..8338be0990bce2854078bfef18e45ccef0836ca2 100644 (file)
--- a/drivers/acpi/i2c_ec.c
+++ b/drivers/acpi/i2c_ec.c
@@ -309,18 +309,16 @@ static int acpi_ec_hc_add(struct acpi_device *device)
                return -EINVAL;
        }
 
-       ec_hc = kmalloc(sizeof(struct acpi_ec_hc), GFP_KERNEL);
+       ec_hc = kzalloc(sizeof(struct acpi_ec_hc), GFP_KERNEL);
        if (!ec_hc) {
                return -ENOMEM;
        }
-       memset(ec_hc, 0, sizeof(struct acpi_ec_hc));
 
-       smbus = kmalloc(sizeof(struct acpi_ec_smbus), GFP_KERNEL);
+       smbus = kzalloc(sizeof(struct acpi_ec_smbus), GFP_KERNEL);
        if (!smbus) {
                kfree(ec_hc);
                return -ENOMEM;
        }
-       memset(smbus, 0, sizeof(struct acpi_ec_smbus));
 
        ec_hc->handle = device->handle;
        strcpy(acpi_device_name(device), ACPI_EC_HC_DEVICE_NAME);
@@ -393,7 +391,7 @@ static void __exit acpi_ec_hc_exit(void)
 
 struct acpi_ec_hc *acpi_get_ec_hc(struct acpi_device *device)
 {
-       return ((struct acpi_ec_hc *)acpi_driver_data(device->parent));
+       return acpi_driver_data(device->parent);
 }
 
 EXPORT_SYMBOL(acpi_get_ec_hc);