diff options
Diffstat (limited to 'drivers/media/video/v4l2-dev.c')
| -rw-r--r-- | drivers/media/video/v4l2-dev.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/drivers/media/video/v4l2-dev.c b/drivers/media/video/v4l2-dev.c index 83dbb2d..c2122e5 100644 --- a/drivers/media/video/v4l2-dev.c +++ b/drivers/media/video/v4l2-dev.c @@ -46,6 +46,29 @@ static ssize_t show_index(struct device *cd, return sprintf(buf, "%i\n", vdev->index); } +static ssize_t show_debug(struct device *cd, + struct device_attribute *attr, char *buf) +{ + struct video_device *vdev = to_video_device(cd); + + return sprintf(buf, "%i\n", vdev->debug); +} + +static ssize_t set_debug(struct device *cd, struct device_attribute *attr, + const char *buf, size_t len) +{ + struct video_device *vdev = to_video_device(cd); + int res = 0; + u16 value; + + res = kstrtou16(buf, 0, &value); + if (res) + return res; + + vdev->debug = value; + return len; +} + static ssize_t show_name(struct device *cd, struct device_attribute *attr, char *buf) { @@ -56,6 +79,7 @@ static ssize_t show_name(struct device *cd, static struct device_attribute video_device_attrs[] = { __ATTR(name, S_IRUGO, show_name, NULL), + __ATTR(debug, 0644, show_debug, set_debug), __ATTR(index, S_IRUGO, show_index, NULL), __ATTR_NULL }; |