From 03c6bdfc65f157f2de4cc98926fc26778b28b0d1 Mon Sep 17 00:00:00 2001 From: Geliang Tang Date: Tue, 22 Dec 2015 13:38:04 -0200 Subject: [media] bttv-driver, usbvision-video: use to_video_device() Use to_video_device() instead of open-coding it. Signed-off-by: Geliang Tang Signed-off-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab --- drivers/media/usb/usbvision/usbvision-video.c | 27 +++++++++------------------ 1 file changed, 9 insertions(+), 18 deletions(-) (limited to 'drivers/media/usb/usbvision') 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); } -- cgit v1.2.3