diff options
Diffstat (limited to 'drivers/staging/greybus/interface.c')
| -rw-r--r-- | drivers/staging/greybus/interface.c | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/drivers/staging/greybus/interface.c b/drivers/staging/greybus/interface.c index 577d15fb5bd2..3eb8754961f1 100644 --- a/drivers/staging/greybus/interface.c +++ b/drivers/staging/greybus/interface.c @@ -865,6 +865,61 @@ void gb_interface_disable(struct gb_interface *intf) intf->enabled = false; } +/* + * Enable TimeSync on an Interface control connection. + * + * Locking: Takes and releases the interface mutex. + */ +int gb_interface_timesync_enable(struct gb_interface *intf, u8 count, + u64 frame_time, u32 strobe_delay, u32 refclk) +{ + int ret = -ENODEV; + + mutex_lock(&intf->mutex); + if (intf->enabled) { + ret = gb_control_timesync_enable(intf->control, count, + frame_time, strobe_delay, + refclk); + } + mutex_unlock(&intf->mutex); + return ret; +} + +/* + * Disable TimeSync on an Interface control connection. + * + * Locking: Takes and releases the interface mutex. + */ +int gb_interface_timesync_disable(struct gb_interface *intf) +{ + int ret = -ENODEV; + + mutex_lock(&intf->mutex); + if (intf->enabled) + ret = gb_control_timesync_disable(intf->control); + mutex_unlock(&intf->mutex); + return ret; +} + +/* + * Transmit the Authoritative FrameTime via an Interface control connection. + * + * Locking: Takes and releases the interface mutex. + */ +int gb_interface_timesync_authoritative(struct gb_interface *intf, + u64 *frame_time) +{ + int ret = -ENODEV; + + mutex_lock(&intf->mutex); + if (intf->enabled) { + ret = gb_control_timesync_authoritative(intf->control, + frame_time); + } + mutex_unlock(&intf->mutex); + return ret; +} + /* Register an interface. */ int gb_interface_add(struct gb_interface *intf) { |