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Diffstat (limited to 'arch/powerpc/platforms/powermac/backlight.c')
-rw-r--r--arch/powerpc/platforms/powermac/backlight.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/powerpc/platforms/powermac/backlight.c b/arch/powerpc/platforms/powermac/backlight.c
index d66415491055..afa593a8544a 100644
--- a/arch/powerpc/platforms/powermac/backlight.c
+++ b/arch/powerpc/platforms/powermac/backlight.c
@@ -60,7 +60,8 @@ int pmac_has_backlight_type(const char *type)
struct device_node* bk_node = find_devices("backlight");
if (bk_node) {
- char *prop = get_property(bk_node, "backlight-control", NULL);
+ const char *prop = get_property(bk_node,
+ "backlight-control", NULL);
if (prop && strncmp(prop, type, strlen(type)) == 0)
return 1;
}