Commit 38c03040 authored Jan 18, 2020 by Michael Straube Committed by Greg Kroah-Hartman Jan 22, 2020

staging: rtl8192u: simplify rtl819x_evm_dbtopercentage()



Use clamp() to simplify function rtl819x_evm_dbtopercentage() and
reduce object file size.

Signed-off-by: Michael Straube <straube.linux@gmail.com>
Link: https://lore.kernel.org/r/20200118195305.16685-2-straube.linux@gmail.com


Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

parent 05ecd103

drivers/staging/rtl8192u/r8192U_core.c

+2 −9

Original line number	Diff line number	Diff line
		@@ -3954,18 +3954,11 @@ static u8 rtl819x_query_rxpwrpercentage(s8 antpower)

		static u8 rtl819x_evm_dbtopercentage(s8 value)
		{
		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 = 0 - ret_val;
		ret_val *= 3;
		if (ret_val == 99)
		ret_val = 100;

		return ret_val;
		}

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