omapfb: Use sysfs_match_string() helper

Use sysfs_match_string() helper instead of open coded variant.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Cc: Tomi Valkeinen <tomi.valkeinen@ti.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>

diff --git a/drivers/video/fbdev/omap2/omapfb/dss/manager-sysfs.c b/drivers/video/fbdev/omap2/omapfb/dss/manager-sysfs.c
index 9e2a67fdf4d20129a581b40da118a72628d30372..44b96af4ef4ef7927130dd73c6871330d781ebbf 100644 (file)
--- a/drivers/video/fbdev/omap2/omapfb/dss/manager-sysfs.c
+++ b/drivers/video/fbdev/omap2/omapfb/dss/manager-sysfs.c
@@ -182,22 +182,16 @@ static ssize_t manager_trans_key_type_show(struct omap_overlay_manager *mgr,
 static ssize_t manager_trans_key_type_store(struct omap_overlay_manager *mgr,
                                            const char *buf, size_t size)
 {
-       enum omap_dss_trans_key_type key_type;
        struct omap_overlay_manager_info info;
        int r;
 
-       for (key_type = OMAP_DSS_COLOR_KEY_GFX_DST;
-                       key_type < ARRAY_SIZE(trans_key_type_str); key_type++) {
-               if (sysfs_streq(buf, trans_key_type_str[key_type]))
-                       break;
-       }
-
-       if (key_type == ARRAY_SIZE(trans_key_type_str))
-               return -EINVAL;
+       r = sysfs_match_string(trans_key_type_str, buf);
+       if (r < 0)
+               return r;
 
        mgr->get_manager_info(mgr, &info);
 
-       info.trans_key_type = key_type;
+       info.trans_key_type = r;
 
        r = mgr->set_manager_info(mgr, &info);
        if (r)