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staging: rtl8188eu: simplify odm_evm_db_to_percentage() 

Use clamp() to simplify code in odm_evm_db_to_percentage().

Signed-off-by: Michael Straube <straube.linux@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Michael Straube 2018-10-21 21:45:25 +02:00 committed by Greg Kroah-Hartman
parent 66845e6fe3
commit 1a28bfdacd
1 changed files with 2 additions and 11 deletions
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13
drivers/staging/rtl8188eu/hal/odm_hwconfig.c
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@ -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;
}