staging: pi433: Fixes issue with bit shift in rf69_get_modulation

Fixes issue with bit shift in rf69_get_modulation

Signed-off-by: Marcus Wolf <linux@wolf-entwicklungen.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/pi433/rf69.c b/drivers/staging/pi433/rf69.c
index e69a2153c999c796602f2884137faff8bc1ef8ab..12c9df9cddde22bea46650ededda1ed4d3e057ae 100644 (file)
--- a/drivers/staging/pi433/rf69.c
+++ b/drivers/staging/pi433/rf69.c
@@ -102,7 +102,7 @@ enum modulation rf69_get_modulation(struct spi_device *spi)
 
        currentValue = READ_REG(REG_DATAMODUL);
 
-       switch (currentValue & MASK_DATAMODUL_MODULATION_TYPE >> 3) { // TODO improvement: change 3 to define
+       switch (currentValue & MASK_DATAMODUL_MODULATION_TYPE) {
        case DATAMODUL_MODULATION_TYPE_OOK: return OOK;
        case DATAMODUL_MODULATION_TYPE_FSK: return FSK;
        default:                            return undefined;