diff options
| -rw-r--r-- | drivers/media/video/uvc/uvc_driver.c | 3 | ||||
| -rw-r--r-- | drivers/media/video/uvc/uvc_video.c | 4 | ||||
| -rw-r--r-- | drivers/media/video/uvc/uvcvideo.h | 3 |
3 files changed, 7 insertions, 3 deletions
diff --git a/drivers/media/video/uvc/uvc_driver.c b/drivers/media/video/uvc/uvc_driver.c index 307d3a6b739..ab4a60102d0 100644 --- a/drivers/media/video/uvc/uvc_driver.c +++ b/drivers/media/video/uvc/uvc_driver.c @@ -46,6 +46,7 @@ unsigned int uvc_no_drop_param; static unsigned int uvc_quirks_param; unsigned int uvc_trace_param; +unsigned int uvc_timeout_param = UVC_CTRL_STREAMING_TIMEOUT; /* ------------------------------------------------------------------------ * Video formats @@ -2195,6 +2196,8 @@ 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); diff --git a/drivers/media/video/uvc/uvc_video.c b/drivers/media/video/uvc/uvc_video.c index 3369200a91d..05139a4f14f 100644 --- a/drivers/media/video/uvc/uvc_video.c +++ b/drivers/media/video/uvc/uvc_video.c @@ -135,7 +135,7 @@ static int uvc_get_video_ctrl(struct uvc_streaming *stream, ret = __uvc_query_ctrl(stream->dev, query, 0, stream->intfnum, probe ? UVC_VS_PROBE_CONTROL : UVC_VS_COMMIT_CONTROL, data, - size, UVC_CTRL_STREAMING_TIMEOUT); + size, uvc_timeout_param); if ((query == UVC_GET_MIN || query == UVC_GET_MAX) && ret == 2) { /* Some cameras, mostly based on Bison Electronics chipsets, @@ -239,7 +239,7 @@ static int uvc_set_video_ctrl(struct uvc_streaming *stream, ret = __uvc_query_ctrl(stream->dev, UVC_SET_CUR, 0, stream->intfnum, probe ? UVC_VS_PROBE_CONTROL : UVC_VS_COMMIT_CONTROL, data, - size, UVC_CTRL_STREAMING_TIMEOUT); + size, uvc_timeout_param); if (ret != size) { uvc_printk(KERN_ERR, "Failed to set UVC %s control : " "%d (exp. %u).\n", probe ? "probe" : "commit", diff --git a/drivers/media/video/uvc/uvcvideo.h b/drivers/media/video/uvc/uvcvideo.h index dae5f57523d..fb3342ae6d7 100644 --- a/drivers/media/video/uvc/uvcvideo.h +++ b/drivers/media/video/uvc/uvcvideo.h @@ -148,7 +148,7 @@ struct uvc_xu_control { #define UVC_MAX_STATUS_SIZE 16 #define UVC_CTRL_CONTROL_TIMEOUT 300 -#define UVC_CTRL_STREAMING_TIMEOUT 1000 +#define UVC_CTRL_STREAMING_TIMEOUT 3000 /* Devices quirks */ #define UVC_QUIRK_STATUS_INTERVAL 0x00000001 @@ -538,6 +538,7 @@ struct uvc_driver { extern unsigned int uvc_no_drop_param; extern unsigned int uvc_trace_param; +extern unsigned int uvc_timeout_param; #define uvc_trace(flag, msg...) \ do { \ |