match_string() returns the array index of a matching string.
Use it instead of the open-coded implementation.
Signed-off-by: YueHaibing <yuehaibing@xxxxxxxxxx>
---
drivers/gpu/drm/i2c/ch7006_drv.c | 13 +++++--------
1 file changed, 5 insertions(+), 8 deletions(-)
diff --git a/drivers/gpu/drm/i2c/ch7006_drv.c b/drivers/gpu/drm/i2c/ch7006_drv.c
index b91e48d..f9a46b5 100644
--- a/drivers/gpu/drm/i2c/ch7006_drv.c
+++ b/drivers/gpu/drm/i2c/ch7006_drv.c
@@ -464,16 +464,13 @@ 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)
+ i = match_string(ch7006_tv_norm_names, NUM_TV_NORMS,
+ ch7006_tv_norm);
+ if (i < 0)
ch7006_err(client, "Invalid TV norm setting \"%s\".\n",
ch7006_tv_norm);
+ else
+ priv->norm = i;
}
if (ch7006_scale >= 0 && ch7006_scale <= 2)
--
2.7.4
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