diff options
Diffstat (limited to 'drivers/dahdi/xpp/xbus-sysfs.c')
| -rw-r--r-- | drivers/dahdi/xpp/xbus-sysfs.c | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/drivers/dahdi/xpp/xbus-sysfs.c b/drivers/dahdi/xpp/xbus-sysfs.c index 566bc0f..1094a19 100644 --- a/drivers/dahdi/xpp/xbus-sysfs.c +++ b/drivers/dahdi/xpp/xbus-sysfs.c @@ -207,6 +207,34 @@ static DEVICE_ATTR_READER(waitfor_xpds_show, dev, buf) return len; } +static DEVICE_ATTR_READER(driftinfo_show, dev, buf) +{ + xbus_t *xbus; + struct xpp_drift *di; + struct xpp_ticker *ticker; + int len = 0; + + xbus = dev_to_xbus(dev); + di = &xbus->drift; + ticker = &xbus->ticker; +#define SHOW(ptr,item) len += snprintf(buf + len, PAGE_SIZE - len, "%-15s: %d\n", #item, (ptr)->item) + SHOW(xbus, sync_adjustment); + SHOW(di, wanted_offset); + SHOW(di, delta_tick); + SHOW(di, lost_ticks); + SHOW(di, kicks_up); + SHOW(di, kicks_down); + SHOW(di, delta_min); + SHOW(di, delta_max); + SHOW(di, median); + SHOW(di, jitter); + SHOW(di, calc_drift); + SHOW(ticker, cycle); + SHOW(ticker, tick_period); +#undef SHOW + return len; +} + #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,14) #define xbus_attr(field, format_string) \ static ssize_t \ @@ -238,6 +266,7 @@ static struct device_attribute xbus_dev_attrs[] = { __ATTR_RO(status), __ATTR_RO(timing), __ATTR_RO(waitfor_xpds), + __ATTR_RO(driftinfo), __ATTR(cls, S_IWUSR, NULL, cls_store), __ATTR(xbus_state, S_IRUGO | S_IWUSR, xbus_state_show, xbus_state_store), #ifdef SAMPLE_TICKS |