From: Priit Laes <plaes@plaes.org>
Date: Wed, 11 Mar 2015 20:03:25 +0000 (+0200)
Subject: rtlwifi: Clean rtl_evm_db_to_percentage a bit
X-Git-Tag: v4.1-rc1~128^2~95^2~76
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=54fb66d6fe98c75d5cb0b0487f0e2b00cb412be7;p=karo-tx-linux.git

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>
---

diff --git a/drivers/net/wireless/rtlwifi/stats.c b/drivers/net/wireless/rtlwifi/stats.c
index 2d0736a09fc0..4201d7340d49 100644
--- 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;