staging: rtl8712: simplify evm_db2percentage()

Use clamp() to simplify function evm_db2percentage() and reduce object
file size.

Signed-off-by: Michael Straube <straube.linux@gmail.com>
Link: https://lore.kernel.org/r/20200118195305.16685-3-straube.linux@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Michael Straube 2020-01-18 20:53:05 +01:00 committed by Greg Kroah-Hartman
parent 38c03040e2
commit 3063da91ca
1 changed files with 2 additions and 8 deletions

View File

@ -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;
}