static int rf69_set_bandwidth_intern(struct spi_device *spi, u8 reg,
enum mantisse mantisse, u8 exponent)
{
- u8 newValue;
+ u8 bandwidth;
// check value for mantisse and exponent
if (exponent > 7) {
}
// read old value
- newValue = rf69_read_reg(spi, reg);
+ bandwidth = rf69_read_reg(spi, reg);
// "delete" mantisse and exponent = just keep the DCC setting
- newValue = newValue & MASK_BW_DCC_FREQ;
+ bandwidth = bandwidth & MASK_BW_DCC_FREQ;
// add new mantisse
switch (mantisse) {
case mantisse16:
- newValue = newValue | BW_MANT_16;
+ bandwidth = bandwidth | BW_MANT_16;
break;
case mantisse20:
- newValue = newValue | BW_MANT_20;
+ bandwidth = bandwidth | BW_MANT_20;
break;
case mantisse24:
- newValue = newValue | BW_MANT_24;
+ bandwidth = bandwidth | BW_MANT_24;
break;
}
// add new exponent
- newValue = newValue | exponent;
+ bandwidth = bandwidth | exponent;
// write back
- return rf69_write_reg(spi, reg, newValue);
+ return rf69_write_reg(spi, reg, bandwidth);
}
int rf69_set_bandwidth(struct spi_device *spi, enum mantisse mantisse, u8 exponent)