diff options
Diffstat (limited to 'sound/drivers/pcsp/pcsp.h')
| -rw-r--r-- | sound/drivers/pcsp/pcsp.h | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/sound/drivers/pcsp/pcsp.h b/sound/drivers/pcsp/pcsp.h index f07cc1e..1d661f7 100644 --- a/sound/drivers/pcsp/pcsp.h +++ b/sound/drivers/pcsp/pcsp.h @@ -24,7 +24,8 @@ static DEFINE_SPINLOCK(i8253_lock); /* default timer freq for PC-Speaker: 18643 Hz */ #define DIV_18KHZ 64 #define MAX_DIV DIV_18KHZ -#define CUR_DIV() (MAX_DIV >> chip->treble) +#define CALC_DIV(d) (MAX_DIV >> (d)) +#define CUR_DIV() CALC_DIV(chip->treble) #define PCSP_MAX_TREBLE 1 /* unfortunately, with hrtimers 37KHz does not work very well :( */ @@ -36,7 +37,8 @@ static DEFINE_SPINLOCK(i8253_lock); #define PCSP_DEFAULT_SDIV (DIV_18KHZ >> 1) #define PCSP_DEFAULT_SRATE (PIT_TICK_RATE / PCSP_DEFAULT_SDIV) #define PCSP_INDEX_INC() (1 << (PCSP_MAX_TREBLE - chip->treble)) -#define PCSP_RATE() (PIT_TICK_RATE / CUR_DIV()) +#define PCSP_CALC_RATE(i) (PIT_TICK_RATE / CALC_DIV(i)) +#define PCSP_RATE() PCSP_CALC_RATE(chip->treble) #define PCSP_MIN_RATE__1 MAX_DIV/PIT_TICK_RATE #define PCSP_MAX_RATE__1 MIN_DIV/PIT_TICK_RATE #define PCSP_MAX_PERIOD_NS (1000000000ULL * PCSP_MIN_RATE__1) |
