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author | Linus Torvalds <torvalds@linux-foundation.org> | 2012-12-14 07:22:22 +0400 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2012-12-14 07:22:22 +0400 |
commit | d8c532c40721f7507896d202b8cae3b3642d2b0d (patch) | |
tree | 42b1ce76671eb85324281ed93491432f4523f983 /drivers/media/platform/soc_camera | |
parent | e777d192ffb9f2929d547a2f8a5f65b7db7a9552 (diff) | |
parent | 77c53d0b56264a8fc5844e087ad15fffe20c299d (diff) | |
download | linux-d8c532c40721f7507896d202b8cae3b3642d2b0d.tar.xz |
Merge branch 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
Pull media updates from Mauro Carvalho Chehab:
- Missing MAINTAINERS entries were added for several drivers
- Adds V4L2 support for DMABUF handling, allowing zero-copy buffer
sharing between V4L2 devices and GPU
- Got rid of all warnings when compiling with W=1 on x86
- Add a new driver for Exynos hardware (s3c-camif)
- Several bug fixes, cleanups and driver improvements
* 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (243 commits)
[media] omap3isp: Replace cpu_is_omap3630() with ISP revision check
[media] omap3isp: Prepare/unprepare clocks before/after enable/disable
[media] omap3isp: preview: Add support for 8-bit formats at the sink pad
[media] omap3isp: Replace printk with dev_*
[media] omap3isp: Find source pad from external entity
[media] omap3isp: Configure CSI-2 phy based on platform data
[media] omap3isp: Add PHY routing configuration
[media] omap3isp: Add CSI configuration registers from control block to ISP resources
[media] omap3isp: Remove unneeded module memory address definitions
[media] omap3isp: Use monotonic timestamps for statistics buffers
[media] uvcvideo: Fix control value clamping for unsigned integer controls
[media] uvcvideo: Mark first output terminal as default video node
[media] uvcvideo: Add VIDIOC_[GS]_PRIORITY support
[media] uvcvideo: Return -ENOTTY for unsupported ioctls
[media] uvcvideo: Set device_caps in VIDIOC_QUERYCAP
[media] uvcvideo: Don't fail when an unsupported format is requested
[media] uvcvideo: Return -EACCES when trying to access a read/write-only control
[media] uvcvideo: Set error_idx properly for extended controls API failures
[media] rtl28xxu: add NOXON DAB/DAB+ USB dongle rev 2
[media] fc2580: write some registers conditionally
...
Diffstat (limited to 'drivers/media/platform/soc_camera')
-rw-r--r-- | drivers/media/platform/soc_camera/Kconfig | 1 | ||||
-rw-r--r-- | drivers/media/platform/soc_camera/soc_camera.c | 14 |
2 files changed, 10 insertions, 5 deletions
diff --git a/drivers/media/platform/soc_camera/Kconfig b/drivers/media/platform/soc_camera/Kconfig index 9afe1e7bde74..cb6791e62bd4 100644 --- a/drivers/media/platform/soc_camera/Kconfig +++ b/drivers/media/platform/soc_camera/Kconfig @@ -19,6 +19,7 @@ config MX1_VIDEO config VIDEO_MX1 tristate "i.MX1/i.MXL CMOS Sensor Interface driver" + depends on BROKEN depends on VIDEO_DEV && ARCH_MX1 && SOC_CAMERA select FIQ select VIDEOBUF_DMA_CONTIG diff --git a/drivers/media/platform/soc_camera/soc_camera.c b/drivers/media/platform/soc_camera/soc_camera.c index d3f0b84e2d70..4e3735679f17 100644 --- a/drivers/media/platform/soc_camera/soc_camera.c +++ b/drivers/media/platform/soc_camera/soc_camera.c @@ -645,11 +645,17 @@ static ssize_t soc_camera_read(struct file *file, char __user *buf, size_t count, loff_t *ppos) { struct soc_camera_device *icd = file->private_data; - int err = -EINVAL; + struct soc_camera_host *ici = to_soc_camera_host(icd->parent); + + dev_dbg(icd->pdev, "read called, buf %p\n", buf); + + if (ici->ops->init_videobuf2 && icd->vb2_vidq.io_modes & VB2_READ) + return vb2_read(&icd->vb2_vidq, buf, count, ppos, + file->f_flags & O_NONBLOCK); dev_err(icd->pdev, "camera device read not implemented\n"); - return err; + return -EINVAL; } static int soc_camera_mmap(struct file *file, struct vm_area_struct *vma) @@ -1048,10 +1054,8 @@ static void scan_add_host(struct soc_camera_host *ici) list_for_each_entry(icd, &devices, list) { if (icd->iface == ici->nr) { - int ret; - icd->parent = ici->v4l2_dev.dev; - ret = soc_camera_probe(icd); + soc_camera_probe(icd); } } |