diff options
author | Steven Whitehouse <swhiteho@redhat.com> | 2006-10-02 16:45:08 +0400 |
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committer | Steven Whitehouse <swhiteho@redhat.com> | 2006-10-02 16:45:08 +0400 |
commit | 59458f40e25915a355d8b1d701425fe9f4f9ea23 (patch) | |
tree | f1c9a2934df686e36d75f759ab7313b6f0e0e5f9 /drivers/media/video/v4l1-compat.c | |
parent | 825f9075d74028d11d7f5932f04e1b5db3022b51 (diff) | |
parent | d834c16516d1ebec4766fc58c059bf01311e6045 (diff) | |
download | linux-59458f40e25915a355d8b1d701425fe9f4f9ea23.tar.xz |
Merge branch 'master' into gfs2
Diffstat (limited to 'drivers/media/video/v4l1-compat.c')
-rw-r--r-- | drivers/media/video/v4l1-compat.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/drivers/media/video/v4l1-compat.c b/drivers/media/video/v4l1-compat.c index d7c3fcbc80f7..1d899e2db394 100644 --- a/drivers/media/video/v4l1-compat.c +++ b/drivers/media/video/v4l1-compat.c @@ -349,6 +349,8 @@ v4l_compat_translate_ioctl(struct inode *inode, { struct video_buffer *buffer = arg; + memset(buffer, 0, sizeof(*buffer)); + err = drv(inode, file, VIDIOC_G_FBUF, &fbuf2); if (err < 0) { dprintk("VIDIOCGFBUF / VIDIOC_G_FBUF: %d\n",err); @@ -361,7 +363,7 @@ v4l_compat_translate_ioctl(struct inode *inode, switch (fbuf2.fmt.pixelformat) { case V4L2_PIX_FMT_RGB332: buffer->depth = 8; - break; + break; case V4L2_PIX_FMT_RGB555: buffer->depth = 15; break; @@ -377,9 +379,13 @@ v4l_compat_translate_ioctl(struct inode *inode, default: buffer->depth = 0; } - if (0 != fbuf2.fmt.bytesperline) + if (fbuf2.fmt.bytesperline) { buffer->bytesperline = fbuf2.fmt.bytesperline; - else { + if (!buffer->depth && buffer->width) + buffer->depth = ((fbuf2.fmt.bytesperline<<3) + + (buffer->width-1) ) + /buffer->width; + } else { buffer->bytesperline = (buffer->width * buffer->depth + 7) & 7; buffer->bytesperline >>= 3; |