staging: pi433: remove hardcoded mask value for easier readability

replace hardcoded value with the bitwise complement of the mask used to
extract value sent to rf69 chip.

Signed-off-by: Paulo Miguel Almeida <paulo.miguel.almeida.rodenas@gmail.com>
Link: https://lore.kernel.org/r/YicPRrH3HmpiTCxe@mail.google.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/pi433/rf69.c b/drivers/staging/pi433/rf69.c
index 3028018..659c8c1 100644 (file)
--- a/drivers/staging/pi433/rf69.c
+++ b/drivers/staging/pi433/rf69.c
@@ -741,7 +741,7 @@ int rf69_set_fifo_threshold(struct spi_device *spi, u8 threshold)
        int retval;
 
        /* check input value */
-       if (threshold & 0x80) {
+       if (threshold & ~MASK_FIFO_THRESH_VALUE) {
                dev_dbg(&spi->dev, "set: illegal fifo threshold %u\n", threshold);
                return -EINVAL;
        }