From 3063da91ca569ccafd6d07cd877d6d3588b2c85a Mon Sep 17 00:00:00 2001 From: Michael Straube Date: Sat, 18 Jan 2020 20:53:05 +0100 Subject: [PATCH] staging: rtl8712: simplify evm_db2percentage() Use clamp() to simplify function evm_db2percentage() and reduce object file size. Signed-off-by: Michael Straube Link: https://lore.kernel.org/r/20200118195305.16685-3-straube.linux@gmail.com Signed-off-by: Greg Kroah-Hartman --- drivers/staging/rtl8712/rtl8712_recv.c | 10 ++-------- 1 file changed, 2 insertions(+), 8 deletions(-) diff --git a/drivers/staging/rtl8712/rtl8712_recv.c b/drivers/staging/rtl8712/rtl8712_recv.c index 00ea0beb12c9..116773943a2e 100644 --- a/drivers/staging/rtl8712/rtl8712_recv.c +++ b/drivers/staging/rtl8712/rtl8712_recv.c @@ -663,17 +663,11 @@ static u8 evm_db2percentage(s8 value) /* * -33dB~0dB to 0%~99% */ - s8 ret_val; + s8 ret_val = clamp(-value, 0, 33) * 3; - ret_val = value; - if (ret_val >= 0) - ret_val = 0; - if (ret_val <= -33) - ret_val = -33; - ret_val = -ret_val; - ret_val *= 3; if (ret_val == 99) ret_val = 100; + return ret_val; } -- 2.45.2