match_string() returns the index of an array for a matching string,
which can be used intead of open coded implementation.

Signed-off-by: zhong jiang <[email protected]>
---
 drivers/gpu/drm/i2c/ch7006_drv.c | 14 +++++---------
 1 file changed, 5 insertions(+), 9 deletions(-)

diff --git a/drivers/gpu/drm/i2c/ch7006_drv.c b/drivers/gpu/drm/i2c/ch7006_drv.c
index 544a8a2..ecabc92 100644
--- a/drivers/gpu/drm/i2c/ch7006_drv.c
+++ b/drivers/gpu/drm/i2c/ch7006_drv.c
@@ -440,7 +440,7 @@ static int ch7006_encoder_init(struct i2c_client *client,
                               struct drm_encoder_slave *encoder)
 {
        struct ch7006_priv *priv;
-       int i;
+       int index;
 
        ch7006_dbg(client, "\n");
 
@@ -464,14 +464,10 @@ static int ch7006_encoder_init(struct i2c_client *client,
        priv->chip_version = ch7006_read(client, CH7006_VERSION_ID);
 
        if (ch7006_tv_norm) {
-               for (i = 0; i < NUM_TV_NORMS; i++) {
-                       if (!strcmp(ch7006_tv_norm_names[i], ch7006_tv_norm)) {
-                               priv->norm = i;
-                               break;
-                       }
-               }
-
-               if (i == NUM_TV_NORMS)
+               index = match_string(ch7006_tv_norm_names, NUM_TV_NORMS, 
ch7006_tv_norm);
+               if (index >= 0)
+                       priv->norm = index;
+               else
                        ch7006_err(client, "Invalid TV norm setting \"%s\".\n",
                                   ch7006_tv_norm);
        }
-- 
1.7.12.4

Reply via email to