diff options
| -rw-r--r-- | drivers/media/dvb/dvb-usb/mxl111sf-demod.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/media/dvb/dvb-usb/mxl111sf-demod.c b/drivers/media/dvb/dvb-usb/mxl111sf-demod.c index 330774e346a..25e75c1ae36 100644 --- a/drivers/media/dvb/dvb-usb/mxl111sf-demod.c +++ b/drivers/media/dvb/dvb-usb/mxl111sf-demod.c @@ -370,10 +370,20 @@ fail: return ret; } +#ifdef MXL111SF_DEMOD_ENABLE_CALCULATIONS +/* FIXME: leaving this enabled breaks the build on some architectures, + * and we shouldn't have any floating point math in the kernel, anyway. + * + * These macros need to be re-written, but it's harmless to simply + * return zero for now. */ #define CALCULATE_BER(avg_errors, count) \ ((u32)(avg_errors * 4)/(count*64*188*8)) #define CALCULATE_SNR(data) \ ((u32)((10 * (u32)data / 64) - 2.5)) +#else +#define CALCULATE_BER(avg_errors, count) 0 +#define CALCULATE_SNR(data) 0 +#endif static int mxl111sf_demod_read_ber(struct dvb_frontend *fe, u32 *ber) { |