Messages in this thread Patch in this message | | | From | zhong jiang <> | Subject | [PATCH] drm: i2c: use match_string() helper to simplify the code | Date | Fri, 14 Sep 2018 23:01:55 +0800 |
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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 <zhongjiang@huawei.com> --- 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
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