diff options
Diffstat (limited to 'drivers/media/video/v4l1-compat.c')
| -rw-r--r-- | drivers/media/video/v4l1-compat.c | 30 |
1 files changed, 25 insertions, 5 deletions
diff --git a/drivers/media/video/v4l1-compat.c b/drivers/media/video/v4l1-compat.c index d7c3fcbc80f..8a13e595304 100644 --- a/drivers/media/video/v4l1-compat.c +++ b/drivers/media/video/v4l1-compat.c @@ -349,6 +349,9 @@ v4l_compat_translate_ioctl(struct inode *inode, { struct video_buffer *buffer = arg; + memset(buffer, 0, sizeof(*buffer)); + memset(&fbuf2, 0, sizeof(fbuf2)); + err = drv(inode, file, VIDIOC_G_FBUF, &fbuf2); if (err < 0) { dprintk("VIDIOCGFBUF / VIDIOC_G_FBUF: %d\n",err); @@ -361,7 +364,7 @@ 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 +380,13 @@ 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; @@ -610,6 +617,7 @@ v4l_compat_translate_ioctl(struct inode *inode, case VIDIOCSPICT: /* set tone controls & partial capture format */ { struct video_picture *pict = arg; + memset(&fbuf2, 0, sizeof(fbuf2)); set_v4l_control(inode, file, V4L2_CID_BRIGHTNESS, pict->brightness, drv); @@ -702,12 +710,22 @@ v4l_compat_translate_ioctl(struct inode *inode, } case VIDIOCSTUNER: /* select a tuner input */ { - err = 0; + struct video_tuner *tun = arg; + struct v4l2_tuner t; + memset(&t,0,sizeof(t)); + + t.index=tun->tuner; + + err = drv(inode, file, VIDIOC_S_INPUT, &t); + if (err < 0) + dprintk("VIDIOCSTUNER / VIDIOC_S_INPUT: %d\n",err); + break; } case VIDIOCGFREQ: /* get frequency */ { unsigned long *freq = arg; + memset(&freq2,0,sizeof(freq2)); freq2.tuner = 0; err = drv(inode, file, VIDIOC_G_FREQUENCY, &freq2); @@ -720,8 +738,8 @@ v4l_compat_translate_ioctl(struct inode *inode, case VIDIOCSFREQ: /* set frequency */ { unsigned long *freq = arg; + memset(&freq2,0,sizeof(freq2)); - freq2.tuner = 0; drv(inode, file, VIDIOC_G_FREQUENCY, &freq2); freq2.frequency = *freq; err = drv(inode, file, VIDIOC_S_FREQUENCY, &freq2); @@ -732,6 +750,7 @@ v4l_compat_translate_ioctl(struct inode *inode, case VIDIOCGAUDIO: /* get audio properties/controls */ { struct video_audio *aud = arg; + memset(&aud2,0,sizeof(aud2)); err = drv(inode, file, VIDIOC_G_AUDIO, &aud2); if (err < 0) { @@ -892,6 +911,7 @@ v4l_compat_translate_ioctl(struct inode *inode, { int *i = arg; + memset(&buf2,0,sizeof(buf2)); buf2.index = *i; buf2.type = V4L2_BUF_TYPE_VIDEO_CAPTURE; err = drv(inode, file, VIDIOC_QUERYBUF, &buf2); |