diff options
| author |   Michael Straube <straube.linux@gmail.com> | 2020-01-18 20:53:05 +0100 |
|---|---|---|
| committer |   Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-01-22 09:44:45 +0100 |
| commit | 3063da91ca569ccafd6d07cd877d6d3588b2c85a (patch) | |
| tree | dc17a5338a73b5ce0d1892500e093d25a2ac3823 /drivers/staging | |
| parent | staging: rtl8192u: simplify rtl819x_evm_dbtopercentage() (diff) | |
| download | linux-dev-3063da91ca569ccafd6d07cd877d6d3588b2c85a.tar.xz linux-dev-3063da91ca569ccafd6d07cd877d6d3588b2c85a.zip | |
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>
Diffstat (limited to 'drivers/staging')
| -rw-r--r-- | drivers/staging/rtl8712/rtl8712_recv.c | 10 |
1 files changed, 2 insertions, 8 deletions
diff --git a/drivers/staging/rtl8712/rtl8712_recv.c b/drivers/staging/rtl8712/rtl8712_recv.c index 00ea0beb12c9..116773943a2e 100644 --- a/drivers/staging/rtl8712/rtl8712_recv.c +++ b/drivers/staging/rtl8712/rtl8712_recv.c @@ -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; } |