@@ -361,9 +361,11 @@ static int uvc_v4l2_try_format(struct uvc_streaming *stream,
return ret;
}
-static int uvc_v4l2_get_format(struct uvc_streaming *stream,
- struct v4l2_format *fmt)
+static int uvc_ioctl_g_fmt(struct file *file, void *fh,
+ struct v4l2_format *fmt)
{
+ struct uvc_fh *handle = fh;
+ struct uvc_streaming *stream = handle->stream;
const struct uvc_format *format;
const struct uvc_frame *frame;
int ret = 0;
@@ -395,9 +397,11 @@ static int uvc_v4l2_get_format(struct uvc_streaming *stream,
return ret;
}
-static int uvc_v4l2_set_format(struct uvc_streaming *stream,
- struct v4l2_format *fmt)
+static int uvc_ioctl_s_fmt(struct file *file, void *fh,
+ struct v4l2_format *fmt)
{
+ struct uvc_fh *handle = fh;
+ struct uvc_streaming *stream = handle->stream;
struct uvc_streaming_control probe;
const struct uvc_format *format;
const struct uvc_frame *frame;
@@ -673,11 +677,13 @@ static int uvc_ioctl_querycap(struct file *file, void *fh,
return 0;
}
-static int uvc_ioctl_enum_fmt(struct uvc_streaming *stream,
+static int uvc_ioctl_enum_fmt(struct file *file, void *fh,
struct v4l2_fmtdesc *fmt)
{
- const struct uvc_format *format;
+ struct uvc_fh *handle = fh;
+ struct uvc_streaming *stream = handle->stream;
enum v4l2_buf_type type = fmt->type;
+ const struct uvc_format *format;
u32 index = fmt->index;
if (fmt->type != stream->type || fmt->index >= stream->nformats)
@@ -695,82 +701,8 @@ static int uvc_ioctl_enum_fmt(struct uvc_streaming *stream,
return 0;
}
-static int uvc_ioctl_enum_fmt_vid_cap(struct file *file, void *fh,
- struct v4l2_fmtdesc *fmt)
-{
- struct uvc_fh *handle = fh;
- struct uvc_streaming *stream = handle->stream;
-
- return uvc_ioctl_enum_fmt(stream, fmt);
-}
-
-static int uvc_ioctl_enum_fmt_vid_out(struct file *file, void *fh,
- struct v4l2_fmtdesc *fmt)
-{
- struct uvc_fh *handle = fh;
- struct uvc_streaming *stream = handle->stream;
-
- return uvc_ioctl_enum_fmt(stream, fmt);
-}
-
-static int uvc_ioctl_g_fmt_vid_cap(struct file *file, void *fh,
- struct v4l2_format *fmt)
-{
- struct uvc_fh *handle = fh;
- struct uvc_streaming *stream = handle->stream;
-
- return uvc_v4l2_get_format(stream, fmt);
-}
-
-static int uvc_ioctl_g_fmt_vid_out(struct file *file, void *fh,
- struct v4l2_format *fmt)
-{
- struct uvc_fh *handle = fh;
- struct uvc_streaming *stream = handle->stream;
-
- return uvc_v4l2_get_format(stream, fmt);
-}
-
-static int uvc_ioctl_s_fmt_vid_cap(struct file *file, void *fh,
- struct v4l2_format *fmt)
-{
- struct uvc_fh *handle = fh;
- struct uvc_streaming *stream = handle->stream;
- int ret;
-
- ret = uvc_acquire_privileges(handle);
- if (ret < 0)
- return ret;
-
- return uvc_v4l2_set_format(stream, fmt);
-}
-
-static int uvc_ioctl_s_fmt_vid_out(struct file *file, void *fh,
- struct v4l2_format *fmt)
-{
- struct uvc_fh *handle = fh;
- struct uvc_streaming *stream = handle->stream;
- int ret;
-
- ret = uvc_acquire_privileges(handle);
- if (ret < 0)
- return ret;
-
- return uvc_v4l2_set_format(stream, fmt);
-}
-
-static int uvc_ioctl_try_fmt_vid_cap(struct file *file, void *fh,
- struct v4l2_format *fmt)
-{
- struct uvc_fh *handle = fh;
- struct uvc_streaming *stream = handle->stream;
- struct uvc_streaming_control probe;
-
- return uvc_v4l2_try_format(stream, fmt, &probe, NULL, NULL);
-}
-
-static int uvc_ioctl_try_fmt_vid_out(struct file *file, void *fh,
- struct v4l2_format *fmt)
+static int uvc_ioctl_try_fmt(struct file *file, void *fh,
+ struct v4l2_format *fmt)
{
struct uvc_fh *handle = fh;
struct uvc_streaming *stream = handle->stream;
@@ -1576,14 +1508,14 @@ static unsigned long uvc_v4l2_get_unmapped_area(struct file *file,
const struct v4l2_ioctl_ops uvc_ioctl_ops = {
.vidioc_querycap = uvc_ioctl_querycap,
- .vidioc_enum_fmt_vid_cap = uvc_ioctl_enum_fmt_vid_cap,
- .vidioc_enum_fmt_vid_out = uvc_ioctl_enum_fmt_vid_out,
- .vidioc_g_fmt_vid_cap = uvc_ioctl_g_fmt_vid_cap,
- .vidioc_g_fmt_vid_out = uvc_ioctl_g_fmt_vid_out,
- .vidioc_s_fmt_vid_cap = uvc_ioctl_s_fmt_vid_cap,
- .vidioc_s_fmt_vid_out = uvc_ioctl_s_fmt_vid_out,
- .vidioc_try_fmt_vid_cap = uvc_ioctl_try_fmt_vid_cap,
- .vidioc_try_fmt_vid_out = uvc_ioctl_try_fmt_vid_out,
+ .vidioc_enum_fmt_vid_cap = uvc_ioctl_enum_fmt,
+ .vidioc_enum_fmt_vid_out = uvc_ioctl_enum_fmt,
+ .vidioc_g_fmt_vid_cap = uvc_ioctl_g_fmt,
+ .vidioc_g_fmt_vid_out = uvc_ioctl_g_fmt,
+ .vidioc_s_fmt_vid_cap = uvc_ioctl_s_fmt,
+ .vidioc_s_fmt_vid_out = uvc_ioctl_s_fmt,
+ .vidioc_try_fmt_vid_cap = uvc_ioctl_try_fmt,
+ .vidioc_try_fmt_vid_out = uvc_ioctl_try_fmt,
.vidioc_reqbufs = uvc_ioctl_reqbufs,
.vidioc_querybuf = uvc_ioctl_querybuf,
.vidioc_qbuf = uvc_ioctl_qbuf,
The *_vid_cap and *_vid_out helpers seem to be identical. Remove all the duplicated code. Signed-off-by: Ricardo Ribalda <ribalda@chromium.org> --- drivers/media/usb/uvc/uvc_v4l2.c | 112 ++++++++------------------------------- 1 file changed, 22 insertions(+), 90 deletions(-)