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author | Linus Torvalds <torvalds@linux-foundation.org> | 2010-10-28 09:35:11 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-10-28 09:35:11 -0700 |
commit | 0851668fdd97e526b2a41f794b785c204dd3d3e0 (patch) | |
tree | 4ef7c20a8be8393006c6fe9627eb29dd30877d61 /drivers/media/video/cx88/cx88-blackbird.c | |
parent | 00ebb6382b8d9c7c15b5f8ad230670d8161d38dd (diff) | |
parent | 7655e594945289b418af39f6669fea4666a7b520 (diff) | |
download | blackbird-op-linux-0851668fdd97e526b2a41f794b785c204dd3d3e0.tar.gz blackbird-op-linux-0851668fdd97e526b2a41f794b785c204dd3d3e0.zip |
Merge branch 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6
* 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6: (505 commits)
[media] af9015: Fix max I2C message size when used with tda18271
[media] IR: initialize ir_raw_event in few more drivers
[media] Guard a divide in v4l1 compat layer
[media] imon: fix nomouse modprobe option
[media] imon: remove redundant change_protocol call
[media] imon: fix my egregious brown paper bag w/rdev/idev split
[media] cafe_ccic: Configure ov7670 correctly
[media] ov7670: allow configuration of image size, clock speed, and I/O method
[media] af9015: support for DigitalNow TinyTwin v3 [1f4d:9016]
[media] af9015: map DigitalNow TinyTwin v2 remote
[media] DigitalNow TinyTwin remote controller
[media] af9015: RC fixes and improvements
videodev2.h.xml: Update to reflect the latest changes at videodev2.h
[media] v4l: document new Bayer and monochrome pixel formats
[media] DocBook/v4l: Add missing formats used on gspca cpia1 and sn9c2028
[media] firedtv: add parameter to fake ca_system_ids in CA_INFO
[media] tm6000: fix a macro coding style issue
tm6000: Remove some ugly debug code
[media] Nova-S-Plus audio line input
[media] [RFC,1/1] V4L2: Use new CAP bits in existing RDS capable drivers
...
Diffstat (limited to 'drivers/media/video/cx88/cx88-blackbird.c')
-rw-r--r-- | drivers/media/video/cx88/cx88-blackbird.c | 16 |
1 files changed, 9 insertions, 7 deletions
diff --git a/drivers/media/video/cx88/cx88-blackbird.c b/drivers/media/video/cx88/cx88-blackbird.c index 660b2a927feb..417d1d5c73c4 100644 --- a/drivers/media/video/cx88/cx88-blackbird.c +++ b/drivers/media/video/cx88/cx88-blackbird.c @@ -1057,7 +1057,7 @@ static int mpeg_open(struct file *file) dprintk( 1, "%s\n", __func__); - lock_kernel(); + mutex_lock(&dev->core->lock); /* Make sure we can acquire the hardware */ drv = cx8802_get_driver(dev, CX88_MPEG_BLACKBIRD); @@ -1065,7 +1065,7 @@ static int mpeg_open(struct file *file) err = drv->request_acquire(drv); if(err != 0) { dprintk(1,"%s: Unable to acquire hardware, %d\n", __func__, err); - unlock_kernel(); + mutex_unlock(&dev->core->lock);; return err; } } @@ -1073,7 +1073,7 @@ static int mpeg_open(struct file *file) if (!atomic_read(&dev->core->mpeg_users) && blackbird_initialize_codec(dev) < 0) { if (drv) drv->request_release(drv); - unlock_kernel(); + mutex_unlock(&dev->core->lock); return -EINVAL; } dprintk(1, "open dev=%s\n", video_device_node_name(vdev)); @@ -1083,7 +1083,7 @@ static int mpeg_open(struct file *file) if (NULL == fh) { if (drv) drv->request_release(drv); - unlock_kernel(); + mutex_unlock(&dev->core->lock); return -ENOMEM; } file->private_data = fh; @@ -1094,15 +1094,14 @@ static int mpeg_open(struct file *file) V4L2_BUF_TYPE_VIDEO_CAPTURE, V4L2_FIELD_INTERLACED, sizeof(struct cx88_buffer), - fh); + fh, NULL); /* FIXME: locking against other video device */ cx88_set_scale(dev->core, dev->width, dev->height, fh->mpegq.field); - unlock_kernel(); atomic_inc(&dev->core->mpeg_users); - + mutex_unlock(&dev->core->lock); return 0; } @@ -1120,8 +1119,11 @@ static int mpeg_release(struct file *file) videobuf_stop(&fh->mpegq); videobuf_mmap_free(&fh->mpegq); + + mutex_lock(&dev->core->lock); file->private_data = NULL; kfree(fh); + mutex_unlock(&dev->core->lock); /* Make sure we release the hardware */ drv = cx8802_get_driver(dev, CX88_MPEG_BLACKBIRD); |