rtlwifi: Clean rtl_evm_db_to_percentage a bit

Signed-off-by: Priit Laes <plaes@plaes.org> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
git-mirror · Mar 16, 2015 · 54fb66d · 54fb66d
1 parent 387f149
commit 54fb66d
Showing 1 changed file with 2 additions and 9 deletions.
diff --git a/drivers/net/wireless/rtlwifi/stats.c b/drivers/net/wireless/rtlwifi/stats.c
@@ -39,15 +39,8 @@ EXPORT_SYMBOL(rtl_query_rxpwrpercentage);
 
 u8 rtl_evm_db_to_percentage(char value)
 {
-	char ret_val;
-	ret_val = value;
-
-	if (ret_val >= 0)
-		ret_val = 0;
-	if (ret_val <= -33)
-		ret_val = -33;
-	ret_val = 0 - ret_val;
-	ret_val *= 3;
+	char ret_val = clamp(-value, 0, 33) * 3;
+
 	if (ret_val == 99)
 		ret_val = 100;