diff --git a/drivers/video/backlight/s6e63m0.c b/drivers/video/backlight/s6e63m0.c
index a3128c9..2d83286 100644
--- a/drivers/video/backlight/s6e63m0.c
+++ b/drivers/video/backlight/s6e63m0.c
@@ -729,7 +729,7 @@
 
 	return strlen(buf);
 }
-static DEVICE_ATTR(gamma_table, 0644,
+static DEVICE_ATTR(gamma_table, 0444,
 		s6e63m0_sysfs_show_gamma_table, NULL);
 
 static int __init s6e63m0_probe(struct spi_device *spi)