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staging: rtl8192e: simplify rtl92e_evm_db_to_percent() 

Use clamp() to simplify function rtl92e_evm_db_to_percent() and reduce
object file size.

Signed-off-by: Michael Straube <straube.linux@gmail.com>
Link: https://lore.kernel.org/r/20200118195305.16685-1-straube.linux@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Michael Straube 2020-01-18 20:53:03 +01:00 committed by Greg Kroah-Hartman
parent 3cdab8823a
commit 05ecd1038b
1 changed files with 2 additions and 9 deletions
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11
drivers/staging/rtl8192e/rtl8192e/rtl_core.c
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@ -1973,18 +1973,11 @@ u8 rtl92e_rx_db_to_percent(s8 antpower)
u8 rtl92e_evm_db_to_percent(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;
}