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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>
This commit is contained in:
Michael Straube 2020-01-18 20:53:04 +01:00 committed by Greg Kroah-Hartman
parent 05ecd1038b
commit 38c03040e2
1 changed files with 2 additions and 9 deletions
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11
drivers/staging/rtl8192u/r8192U_core.c
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@ -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;
}