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path: root/drivers/media/video/meye.c
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Diffstat (limited to 'drivers/media/video/meye.c')
-rw-r--r--drivers/media/video/meye.c45
1 files changed, 3 insertions, 42 deletions
diff --git a/drivers/media/video/meye.c b/drivers/media/video/meye.c
index b76e33d5c86..2ad11f0999c 100644
--- a/drivers/media/video/meye.c
+++ b/drivers/media/video/meye.c
@@ -1017,7 +1017,6 @@ static int meyeioc_stilljcapt(int *len)
static int vidioc_querycap(struct file *file, void *fh,
struct v4l2_capability *cap)
{
- memset(cap, 0, sizeof(*cap));
strcpy(cap->driver, "meye");
strcpy(cap->card, "meye");
sprintf(cap->bus_info, "PCI:%s", pci_name(meye.mchip_dev));
@@ -1036,8 +1035,6 @@ static int vidioc_enum_input(struct file *file, void *fh, struct v4l2_input *i)
if (i->index != 0)
return -EINVAL;
- memset(i, 0, sizeof(*i));
- i->index = 0;
strcpy(i->name, "Camera");
i->type = V4L2_INPUT_TYPE_CAMERA;
@@ -1259,22 +1256,13 @@ static int vidioc_enum_fmt_vid_cap(struct file *file, void *fh,
if (f->index > 1)
return -EINVAL;
- if (f->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
- return -EINVAL;
-
if (f->index == 0) {
/* standard YUV 422 capture */
- memset(f, 0, sizeof(*f));
- f->index = 0;
- f->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
f->flags = 0;
strcpy(f->description, "YUV422");
f->pixelformat = V4L2_PIX_FMT_YUYV;
} else {
/* compressed MJPEG capture */
- memset(f, 0, sizeof(*f));
- f->index = 1;
- f->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
f->flags = V4L2_FMT_FLAG_COMPRESSED;
strcpy(f->description, "MJPEG");
f->pixelformat = V4L2_PIX_FMT_MJPEG;
@@ -1286,9 +1274,6 @@ static int vidioc_enum_fmt_vid_cap(struct file *file, void *fh,
static int vidioc_try_fmt_vid_cap(struct file *file, void *fh,
struct v4l2_format *f)
{
- if (f->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
- return -EINVAL;
-
if (f->fmt.pix.pixelformat != V4L2_PIX_FMT_YUYV &&
f->fmt.pix.pixelformat != V4L2_PIX_FMT_MJPEG)
return -EINVAL;
@@ -1319,12 +1304,6 @@ static int vidioc_try_fmt_vid_cap(struct file *file, void *fh,
static int vidioc_g_fmt_vid_cap(struct file *file, void *fh,
struct v4l2_format *f)
{
- if (f->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
- return -EINVAL;
-
- memset(&f->fmt.pix, 0, sizeof(struct v4l2_pix_format));
- f->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
-
switch (meye.mchip_mode) {
case MCHIP_HIC_MODE_CONT_OUT:
default:
@@ -1341,8 +1320,6 @@ static int vidioc_g_fmt_vid_cap(struct file *file, void *fh,
f->fmt.pix.bytesperline = f->fmt.pix.width * 2;
f->fmt.pix.sizeimage = f->fmt.pix.height *
f->fmt.pix.bytesperline;
- f->fmt.pix.colorspace = 0;
- f->fmt.pix.priv = 0;
return 0;
}
@@ -1350,9 +1327,6 @@ static int vidioc_g_fmt_vid_cap(struct file *file, void *fh,
static int vidioc_s_fmt_vid_cap(struct file *file, void *fh,
struct v4l2_format *f)
{
- if (f->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
- return -EINVAL;
-
if (f->fmt.pix.pixelformat != V4L2_PIX_FMT_YUYV &&
f->fmt.pix.pixelformat != V4L2_PIX_FMT_MJPEG)
return -EINVAL;
@@ -1398,9 +1372,6 @@ static int vidioc_reqbufs(struct file *file, void *fh,
{
int i;
- if (req->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
- return -EINVAL;
-
if (req->memory != V4L2_MEMORY_MMAP)
return -EINVAL;
@@ -1441,15 +1412,11 @@ static int vidioc_reqbufs(struct file *file, void *fh,
static int vidioc_querybuf(struct file *file, void *fh, struct v4l2_buffer *buf)
{
- int index = buf->index;
+ unsigned int index = buf->index;
- if (index < 0 || index >= gbuffers)
+ if (index >= gbuffers)
return -EINVAL;
- memset(buf, 0, sizeof(*buf));
-
- buf->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
- buf->index = index;
buf->bytesused = meye.grab_buffer[index].size;
buf->flags = V4L2_BUF_FLAG_MAPPED;
@@ -1471,13 +1438,10 @@ static int vidioc_querybuf(struct file *file, void *fh, struct v4l2_buffer *buf)
static int vidioc_qbuf(struct file *file, void *fh, struct v4l2_buffer *buf)
{
- if (buf->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
- return -EINVAL;
-
if (buf->memory != V4L2_MEMORY_MMAP)
return -EINVAL;
- if (buf->index < 0 || buf->index >= gbuffers)
+ if (buf->index >= gbuffers)
return -EINVAL;
if (meye.grab_buffer[buf->index].state != MEYE_BUF_UNUSED)
@@ -1497,9 +1461,6 @@ static int vidioc_dqbuf(struct file *file, void *fh, struct v4l2_buffer *buf)
{
int reqnr;
- if (buf->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
- return -EINVAL;
-
if (buf->memory != V4L2_MEMORY_MMAP)
return -EINVAL;