Commit 3063da91 authored Jan 18, 2020 by Michael Straube Committed by Greg Kroah-Hartman Jan 22, 2020

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>

parent 38c03040

drivers/staging/rtl8712/rtl8712_recv.c

+2 −8

Original line number	Diff line number	Diff line
		@@ -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;
		}

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