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| author | Geliang Tang <geliangtang@163.com> | 2015-12-22 16:38:04 +0100 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@osg.samsung.com> | 2016-02-01 10:36:48 +0100 |
| commit | 03c6bdfc65f157f2de4cc98926fc26778b28b0d1 (patch) | |
| tree | b0accf69bdb4e620d65f51fc662f33b8469f2f6a /drivers/media/usb | |
| parent | [media] usbtv: discard redundant video fields (diff) | |
| download | linux-03c6bdfc65f157f2de4cc98926fc26778b28b0d1.tar.xz linux-03c6bdfc65f157f2de4cc98926fc26778b28b0d1.zip | |
[media] bttv-driver, usbvision-video: use to_video_device()
Use to_video_device() instead of open-coding it.
Signed-off-by: Geliang Tang <geliangtang@163.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Diffstat (limited to 'drivers/media/usb')
| -rw-r--r-- | drivers/media/usb/usbvision/usbvision-video.c | 27 |
1 files changed, 9 insertions, 18 deletions
diff --git a/drivers/media/usb/usbvision/usbvision-video.c b/drivers/media/usb/usbvision/usbvision-video.c index de9ff3bb8edd..7f5d6f15a49f 100644 --- a/drivers/media/usb/usbvision/usbvision-video.c +++ b/drivers/media/usb/usbvision/usbvision-video.c @@ -162,8 +162,7 @@ MODULE_ALIAS(DRIVER_ALIAS); static inline struct usb_usbvision *cd_to_usbvision(struct device *cd) { - struct video_device *vdev = - container_of(cd, struct video_device, dev); + struct video_device *vdev = to_video_device(cd); return video_get_drvdata(vdev); } @@ -177,8 +176,7 @@ static DEVICE_ATTR(version, S_IRUGO, show_version, NULL); static ssize_t show_model(struct device *cd, struct device_attribute *attr, char *buf) { - struct video_device *vdev = - container_of(cd, struct video_device, dev); + struct video_device *vdev = to_video_device(cd); struct usb_usbvision *usbvision = video_get_drvdata(vdev); return sprintf(buf, "%s\n", usbvision_device_data[usbvision->dev_model].model_string); @@ -188,8 +186,7 @@ static DEVICE_ATTR(model, S_IRUGO, show_model, NULL); static ssize_t show_hue(struct device *cd, struct device_attribute *attr, char *buf) { - struct video_device *vdev = - container_of(cd, struct video_device, dev); + struct video_device *vdev = to_video_device(cd); struct usb_usbvision *usbvision = video_get_drvdata(vdev); struct v4l2_control ctrl; ctrl.id = V4L2_CID_HUE; @@ -203,8 +200,7 @@ static DEVICE_ATTR(hue, S_IRUGO, show_hue, NULL); static ssize_t show_contrast(struct device *cd, struct device_attribute *attr, char *buf) { - struct video_device *vdev = - container_of(cd, struct video_device, dev); + struct video_device *vdev = to_video_device(cd); struct usb_usbvision *usbvision = video_get_drvdata(vdev); struct v4l2_control ctrl; ctrl.id = V4L2_CID_CONTRAST; @@ -218,8 +214,7 @@ static DEVICE_ATTR(contrast, S_IRUGO, show_contrast, NULL); static ssize_t show_brightness(struct device *cd, struct device_attribute *attr, char *buf) { - struct video_device *vdev = - container_of(cd, struct video_device, dev); + struct video_device *vdev = to_video_device(cd); struct usb_usbvision *usbvision = video_get_drvdata(vdev); struct v4l2_control ctrl; ctrl.id = V4L2_CID_BRIGHTNESS; @@ -233,8 +228,7 @@ static DEVICE_ATTR(brightness, S_IRUGO, show_brightness, NULL); static ssize_t show_saturation(struct device *cd, struct device_attribute *attr, char *buf) { - struct video_device *vdev = - container_of(cd, struct video_device, dev); + struct video_device *vdev = to_video_device(cd); struct usb_usbvision *usbvision = video_get_drvdata(vdev); struct v4l2_control ctrl; ctrl.id = V4L2_CID_SATURATION; @@ -248,8 +242,7 @@ static DEVICE_ATTR(saturation, S_IRUGO, show_saturation, NULL); static ssize_t show_streaming(struct device *cd, struct device_attribute *attr, char *buf) { - struct video_device *vdev = - container_of(cd, struct video_device, dev); + struct video_device *vdev = to_video_device(cd); struct usb_usbvision *usbvision = video_get_drvdata(vdev); return sprintf(buf, "%s\n", YES_NO(usbvision->streaming == stream_on ? 1 : 0)); @@ -259,8 +252,7 @@ static DEVICE_ATTR(streaming, S_IRUGO, show_streaming, NULL); static ssize_t show_compression(struct device *cd, struct device_attribute *attr, char *buf) { - struct video_device *vdev = - container_of(cd, struct video_device, dev); + struct video_device *vdev = to_video_device(cd); struct usb_usbvision *usbvision = video_get_drvdata(vdev); return sprintf(buf, "%s\n", YES_NO(usbvision->isoc_mode == ISOC_MODE_COMPRESS)); @@ -270,8 +262,7 @@ static DEVICE_ATTR(compression, S_IRUGO, show_compression, NULL); static ssize_t show_device_bridge(struct device *cd, struct device_attribute *attr, char *buf) { - struct video_device *vdev = - container_of(cd, struct video_device, dev); + struct video_device *vdev = to_video_device(cd); struct usb_usbvision *usbvision = video_get_drvdata(vdev); return sprintf(buf, "%d\n", usbvision->bridge_type); } |