diff options
Diffstat (limited to 'drivers/platform/x86/classmate-laptop.c')
| -rw-r--r-- | drivers/platform/x86/classmate-laptop.c | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/drivers/platform/x86/classmate-laptop.c b/drivers/platform/x86/classmate-laptop.c index 035a7dd65a3..7f9e5ddc949 100644 --- a/drivers/platform/x86/classmate-laptop.c +++ b/drivers/platform/x86/classmate-laptop.c @@ -19,6 +19,7 @@ #include <linux/init.h> #include <linux/module.h> +#include <linux/slab.h> #include <linux/workqueue.h> #include <acpi/acpi_drivers.h> #include <linux/backlight.h> @@ -455,18 +456,22 @@ static int cmpc_bl_update_status(struct backlight_device *bd) return -1; } -static struct backlight_ops cmpc_bl_ops = { +static const struct backlight_ops cmpc_bl_ops = { .get_brightness = cmpc_bl_get_brightness, .update_status = cmpc_bl_update_status }; static int cmpc_bl_add(struct acpi_device *acpi) { + struct backlight_properties props; struct backlight_device *bd; - bd = backlight_device_register("cmpc_bl", &acpi->dev, - acpi->handle, &cmpc_bl_ops); - bd->props.max_brightness = 7; + memset(&props, 0, sizeof(struct backlight_properties)); + props.max_brightness = 7; + bd = backlight_device_register("cmpc_bl", &acpi->dev, acpi->handle, + &cmpc_bl_ops, &props); + if (IS_ERR(bd)) + return PTR_ERR(bd); dev_set_drvdata(&acpi->dev, bd); return 0; } |