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| author | Lad, Prabhakar <prabhakar.csengg@gmail.com> | 2014-03-22 08:39:24 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <m.chehab@samsung.com> | 2014-04-16 18:24:15 -0300 |
| commit | 3bdaa382b294946a6b8661c3eb77e595940c8a61 (patch) | |
| tree | 47c2f60fd4553b6b327128d39af1c5dc801af3e3 | |
| parent | 3d7543b9196cb0de8e65750f1da9ad155c22e12f (diff) | |
| download | linux-3bdaa382b294946a6b8661c3eb77e595940c8a61.tar.bz2 | |
[media] media: davinci: vpfe: use v4l2_fh for priority handling
This patch migrates the vpfe driver to use v4l2_fh for
priority handling.
Signed-off-by: Lad, Prabhakar <prabhakar.csengg@gmail.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
| -rw-r--r-- | drivers/media/platform/davinci/vpfe_capture.c | 13 | ||||
| -rw-r--r-- | include/media/davinci/vpfe_capture.h | 6 |
2 files changed, 8 insertions, 11 deletions
diff --git a/drivers/media/platform/davinci/vpfe_capture.c b/drivers/media/platform/davinci/vpfe_capture.c index 0379cb9f9a9c..ac6c8c6ac7d0 100644 --- a/drivers/media/platform/davinci/vpfe_capture.c +++ b/drivers/media/platform/davinci/vpfe_capture.c @@ -498,6 +498,7 @@ unlock: static int vpfe_open(struct file *file) { struct vpfe_device *vpfe_dev = video_drvdata(file); + struct video_device *vdev = video_devdata(file); struct vpfe_fh *fh; v4l2_dbg(1, debug, &vpfe_dev->v4l2_dev, "vpfe_open\n"); @@ -517,6 +518,7 @@ static int vpfe_open(struct file *file) /* store pointer to fh in private_data member of file */ file->private_data = fh; fh->vpfe_dev = vpfe_dev; + v4l2_fh_init(&fh->fh, vdev); mutex_lock(&vpfe_dev->lock); /* If decoder is not initialized. initialize it */ if (!vpfe_dev->initialized) { @@ -529,9 +531,7 @@ static int vpfe_open(struct file *file) vpfe_dev->usrs++; /* Set io_allowed member to false */ fh->io_allowed = 0; - /* Initialize priority of this instance to default priority */ - fh->prio = V4L2_PRIORITY_UNSET; - v4l2_prio_open(&vpfe_dev->prio, &fh->prio); + v4l2_fh_add(&fh->fh); mutex_unlock(&vpfe_dev->lock); return 0; } @@ -740,8 +740,8 @@ static int vpfe_release(struct file *file) /* Decrement device usrs counter */ vpfe_dev->usrs--; - /* Close the priority */ - v4l2_prio_close(&vpfe_dev->prio, fh->prio); + v4l2_fh_del(&fh->fh); + v4l2_fh_exit(&fh->fh); /* If this is the last file handle */ if (!vpfe_dev->usrs) { vpfe_dev->initialized = 0; @@ -1910,14 +1910,13 @@ static int vpfe_probe(struct platform_device *pdev) /* Initialize field of the device objects */ vpfe_dev->numbuffers = config_params.numbuffers; - /* Initialize prio member of device object */ - v4l2_prio_init(&vpfe_dev->prio); /* register video device */ v4l2_dbg(1, debug, &vpfe_dev->v4l2_dev, "trying to register vpfe device.\n"); v4l2_dbg(1, debug, &vpfe_dev->v4l2_dev, "video_dev=%x\n", (int)&vpfe_dev->video_dev); vpfe_dev->fmt.type = V4L2_BUF_TYPE_VIDEO_CAPTURE; + set_bit(V4L2_FL_USE_FH_PRIO, &vpfe_dev->video_dev->flags); ret = video_register_device(vpfe_dev->video_dev, VFL_TYPE_GRABBER, -1); diff --git a/include/media/davinci/vpfe_capture.h b/include/media/davinci/vpfe_capture.h index cc973ed845a7..288772e6900a 100644 --- a/include/media/davinci/vpfe_capture.h +++ b/include/media/davinci/vpfe_capture.h @@ -26,6 +26,7 @@ #include <linux/videodev2.h> #include <linux/clk.h> #include <linux/i2c.h> +#include <media/v4l2-fh.h> #include <media/v4l2-ioctl.h> #include <media/v4l2-device.h> #include <media/videobuf-dma-contig.h> @@ -110,8 +111,6 @@ struct vpfe_device { struct v4l2_device v4l2_dev; /* parent device */ struct device *pdev; - /* Used to keep track of state of the priority */ - struct v4l2_prio_state prio; /* number of open instances of the channel */ u32 usrs; /* Indicates id of the field which is being displayed */ @@ -174,11 +173,10 @@ struct vpfe_device { /* File handle structure */ struct vpfe_fh { + struct v4l2_fh fh; struct vpfe_device *vpfe_dev; /* Indicates whether this file handle is doing IO */ u8 io_allowed; - /* Used to keep track priority of this instance */ - enum v4l2_priority prio; }; struct vpfe_config_params { |