From 1a28bfdacd807751aefde9536dac9f389b2d76b9 Mon Sep 17 00:00:00 2001 From: Michael Straube Date: Sun, 21 Oct 2018 21:45:25 +0200 Subject: [PATCH] staging: rtl8188eu: simplify odm_evm_db_to_percentage() Use clamp() to simplify code in odm_evm_db_to_percentage(). Signed-off-by: Michael Straube Signed-off-by: Greg Kroah-Hartman --- drivers/staging/rtl8188eu/hal/odm_hwconfig.c | 13 ++----------- 1 file changed, 2 insertions(+), 11 deletions(-) diff --git a/drivers/staging/rtl8188eu/hal/odm_hwconfig.c b/drivers/staging/rtl8188eu/hal/odm_hwconfig.c index 82d6b2e18b29..0c034b19d3dd 100644 --- a/drivers/staging/rtl8188eu/hal/odm_hwconfig.c +++ b/drivers/staging/rtl8188eu/hal/odm_hwconfig.c @@ -53,20 +53,11 @@ static s32 odm_signal_scale_mapping(struct odm_dm_struct *dm_odm, s32 currsig) static u8 odm_evm_db_to_percentage(s8 value) { /* -33dB~0dB to 0%~99% */ - s8 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; + s8 ret_val = clamp(-value, 0, 33) * 3; if (ret_val == 99) ret_val = 100; + return ret_val; } -- 2.30.2