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authorGeliang Tang2015-12-22 13:38:04 -0200
committerMauro Carvalho Chehab2016-02-01 07:36:48 -0200
commit03c6bdfc65f157f2de4cc98926fc26778b28b0d1 (patch)
treeb0accf69bdb4e620d65f51fc662f33b8469f2f6a /drivers/media/usb/usbvision
parent80fa4f07fd6d33500b26275a5405d5b49cf2ff6a (diff)
[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/usbvision')
-rw-r--r--drivers/media/usb/usbvision/usbvision-video.c27
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);
}