diff options
| -rw-r--r-- | drivers/media/video/uvc/uvc_driver.c | 49 | ||||
| -rw-r--r-- | drivers/media/video/uvc/uvc_queue.c | 1 | ||||
| -rw-r--r-- | drivers/media/video/uvc/uvc_video.c | 10 | ||||
| -rw-r--r-- | drivers/media/video/uvc/uvcvideo.h | 1 |
4 files changed, 51 insertions, 10 deletions
diff --git a/drivers/media/video/uvc/uvc_driver.c b/drivers/media/video/uvc/uvc_driver.c index 391cccc..05ac277 100644 --- a/drivers/media/video/uvc/uvc_driver.c +++ b/drivers/media/video/uvc/uvc_driver.c @@ -43,6 +43,7 @@ #define DRIVER_VERSION "v0.1.0" #endif +unsigned int uvc_clock_param = CLOCK_MONOTONIC; unsigned int uvc_no_drop_param; static unsigned int uvc_quirks_param; unsigned int uvc_trace_param; @@ -1892,6 +1893,45 @@ static int uvc_reset_resume(struct usb_interface *intf) } /* ------------------------------------------------------------------------ + * Module parameters + */ + +static int uvc_clock_param_get(char *buffer, struct kernel_param *kp) +{ + if (uvc_clock_param == CLOCK_MONOTONIC) + return sprintf(buffer, "CLOCK_MONOTONIC"); + else + return sprintf(buffer, "CLOCK_REALTIME"); +} + +static int uvc_clock_param_set(const char *val, struct kernel_param *kp) +{ + if (strncasecmp(val, "clock_", strlen("clock_")) == 0) + val += strlen("clock_"); + + if (strcasecmp(val, "monotonic") == 0) + uvc_clock_param = CLOCK_MONOTONIC; + else if (strcasecmp(val, "realtime") == 0) + uvc_clock_param = CLOCK_REALTIME; + else + return -EINVAL; + + return 0; +} + +module_param_call(clock, uvc_clock_param_set, uvc_clock_param_get, + &uvc_clock_param, S_IRUGO|S_IWUSR); +MODULE_PARM_DESC(clock, "Video buffers timestamp clock"); +module_param_named(nodrop, uvc_no_drop_param, uint, S_IRUGO|S_IWUSR); +MODULE_PARM_DESC(nodrop, "Don't drop incomplete frames"); +module_param_named(quirks, uvc_quirks_param, uint, S_IRUGO|S_IWUSR); +MODULE_PARM_DESC(quirks, "Forced device quirks"); +module_param_named(trace, uvc_trace_param, uint, S_IRUGO|S_IWUSR); +MODULE_PARM_DESC(trace, "Trace level bitmask"); +module_param_named(timeout, uvc_timeout_param, uint, S_IRUGO|S_IWUSR); +MODULE_PARM_DESC(timeout, "Streaming control requests timeout"); + +/* ------------------------------------------------------------------------ * Driver initialization and cleanup */ @@ -2197,15 +2237,6 @@ static void __exit uvc_cleanup(void) module_init(uvc_init); module_exit(uvc_cleanup); -module_param_named(nodrop, uvc_no_drop_param, uint, S_IRUGO|S_IWUSR); -MODULE_PARM_DESC(nodrop, "Don't drop incomplete frames"); -module_param_named(quirks, uvc_quirks_param, uint, S_IRUGO|S_IWUSR); -MODULE_PARM_DESC(quirks, "Forced device quirks"); -module_param_named(trace, uvc_trace_param, uint, S_IRUGO|S_IWUSR); -MODULE_PARM_DESC(trace, "Trace level bitmask"); -module_param_named(timeout, uvc_timeout_param, uint, S_IRUGO|S_IWUSR); -MODULE_PARM_DESC(timeout, "Streaming control requests timeout"); - MODULE_AUTHOR(DRIVER_AUTHOR); MODULE_DESCRIPTION(DRIVER_DESC); MODULE_LICENSE("GPL"); diff --git a/drivers/media/video/uvc/uvc_queue.c b/drivers/media/video/uvc/uvc_queue.c index ea11839..4a925a3 100644 --- a/drivers/media/video/uvc/uvc_queue.c +++ b/drivers/media/video/uvc/uvc_queue.c @@ -502,7 +502,6 @@ struct uvc_buffer *uvc_queue_next_buffer(struct uvc_video_queue *queue, spin_unlock_irqrestore(&queue->irqlock, flags); buf->buf.sequence = queue->sequence++; - do_gettimeofday(&buf->buf.timestamp); wake_up(&buf->wait); return nextbuf; diff --git a/drivers/media/video/uvc/uvc_video.c b/drivers/media/video/uvc/uvc_video.c index 7dcf534..6b0666b 100644 --- a/drivers/media/video/uvc/uvc_video.c +++ b/drivers/media/video/uvc/uvc_video.c @@ -410,6 +410,8 @@ static int uvc_video_decode_start(struct uvc_streaming *stream, * when the EOF bit is set to force synchronisation on the next packet. */ if (buf->state != UVC_BUF_STATE_ACTIVE) { + struct timespec ts; + if (fid == stream->last_fid) { uvc_trace(UVC_TRACE_FRAME, "Dropping payload (out of " "sync).\n"); @@ -419,6 +421,14 @@ static int uvc_video_decode_start(struct uvc_streaming *stream, return -ENODATA; } + if (uvc_clock_param == CLOCK_MONOTONIC) + ktime_get_ts(&ts); + else + ktime_get_real_ts(&ts); + + buf->buf.timestamp.tv_sec = ts.tv_sec; + buf->buf.timestamp.tv_usec = ts.tv_nsec / NSEC_PER_USEC; + /* TODO: Handle PTS and SCR. */ buf->state = UVC_BUF_STATE_ACTIVE; } diff --git a/drivers/media/video/uvc/uvcvideo.h b/drivers/media/video/uvc/uvcvideo.h index 2337585..adcba31 100644 --- a/drivers/media/video/uvc/uvcvideo.h +++ b/drivers/media/video/uvc/uvcvideo.h @@ -533,6 +533,7 @@ struct uvc_driver { #define UVC_WARN_MINMAX 0 #define UVC_WARN_PROBE_DEF 1 +extern unsigned int uvc_clock_param; extern unsigned int uvc_no_drop_param; extern unsigned int uvc_trace_param; extern unsigned int uvc_timeout_param; |