diff options
Diffstat (limited to 'drivers/dahdi/voicebus/voicebus.h')
| -rw-r--r-- | drivers/dahdi/voicebus/voicebus.h | 21 |
1 files changed, 17 insertions, 4 deletions
diff --git a/drivers/dahdi/voicebus/voicebus.h b/drivers/dahdi/voicebus/voicebus.h index ed7b590..553d6e6 100644 --- a/drivers/dahdi/voicebus/voicebus.h +++ b/drivers/dahdi/voicebus/voicebus.h @@ -37,11 +37,11 @@ #include <linux/etherdevice.h> #endif -#define VOICEBUS_DEFAULT_LATENCY 3 -#define VOICEBUS_DEFAULT_MAXLATENCY 25 -#define VOICEBUS_MAXLATENCY_BUMP 6 +#define VOICEBUS_DEFAULT_LATENCY 3U +#define VOICEBUS_DEFAULT_MAXLATENCY 25U +#define VOICEBUS_MAXLATENCY_BUMP 6U -#define VOICEBUS_SFRAME_SIZE 1004 +#define VOICEBUS_SFRAME_SIZE 1004U /*! The number of descriptors in both the tx and rx descriptor ring. */ #define DRING_SIZE (1 << 7) /* Must be a power of 2 */ @@ -189,4 +189,17 @@ static inline void voicebus_set_normal_mode(struct voicebus *vb) { set_bit(VOICEBUS_NORMAL_MODE, &vb->flags); } + +/** + * voicebus_set_max_latency() - Set the maximum number of milliseconds the latency will be able to grow to. + */ +static inline void +voicebus_set_maxlatency(struct voicebus *vb, unsigned int max_latency) +{ + spin_lock_bh(&vb->lock); + vb->max_latency = clamp(max_latency, + vb->min_tx_buffer_count, + VOICEBUS_DEFAULT_MAXLATENCY); + spin_unlock_bh(&vb->lock); +} #endif /* __VOICEBUS_H__ */ |