[PATCH 1/3] staging: rtl8192e: simplify rtl92e_evm_db_to_percent()

From: Michael Straube
Date: Sat Jan 18 2020 - 14:55:24 EST


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

Signed-off-by: Michael Straube <straube.linux@xxxxxxxxx>
---
drivers/staging/rtl8192e/rtl8192e/rtl_core.c | 11 ++---------
1 file changed, 2 insertions(+), 9 deletions(-)

diff --git a/drivers/staging/rtl8192e/rtl8192e/rtl_core.c b/drivers/staging/rtl8192e/rtl8192e/rtl_core.c
index dace81a7d1ba..caf36b6bf0dc 100644
--- a/drivers/staging/rtl8192e/rtl8192e/rtl_core.c
+++ b/drivers/staging/rtl8192e/rtl8192e/rtl_core.c
@@ -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;
}

--
2.24.1