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path: root/drivers/platform/x86/msi-wmi.c
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Diffstat (limited to 'drivers/platform/x86/msi-wmi.c')
-rw-r--r--drivers/platform/x86/msi-wmi.c16
1 files changed, 11 insertions, 5 deletions
diff --git a/drivers/platform/x86/msi-wmi.c b/drivers/platform/x86/msi-wmi.c
index f5f70d4c691..d1736009636 100644
--- a/drivers/platform/x86/msi-wmi.c
+++ b/drivers/platform/x86/msi-wmi.c
@@ -26,6 +26,7 @@
#include <linux/input/sparse-keymap.h>
#include <linux/acpi.h>
#include <linux/backlight.h>
+#include <linux/slab.h>
MODULE_AUTHOR("Thomas Renninger <trenn@suse.de>");
MODULE_DESCRIPTION("MSI laptop WMI hotkeys driver");
@@ -138,7 +139,7 @@ static int bl_set_status(struct backlight_device *bd)
return msi_wmi_set_block(0, backlight_map[bright]);
}
-static struct backlight_ops msi_backlight_ops = {
+static const struct backlight_ops msi_backlight_ops = {
.get_brightness = bl_get,
.update_status = bl_set_status,
};
@@ -249,12 +250,17 @@ static int __init msi_wmi_init(void)
goto err_uninstall_notifier;
if (!acpi_video_backlight_support()) {
- backlight = backlight_device_register(DRV_NAME,
- NULL, NULL, &msi_backlight_ops);
- if (IS_ERR(backlight))
+ struct backlight_properties props;
+ memset(&props, 0, sizeof(struct backlight_properties));
+ props.max_brightness = ARRAY_SIZE(backlight_map) - 1;
+ backlight = backlight_device_register(DRV_NAME, NULL, NULL,
+ &msi_backlight_ops,
+ &props);
+ if (IS_ERR(backlight)) {
+ err = PTR_ERR(backlight);
goto err_free_input;
+ }
- backlight->props.max_brightness = ARRAY_SIZE(backlight_map) - 1;
err = bl_get(NULL);
if (err < 0)
goto err_free_backlight;