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authorLinus Torvalds <torvalds@linux-foundation.org>2016-10-11 13:22:22 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2016-10-11 13:22:22 -0700
commitde34f4da7f62ff59ac6e1ef320b0fcfa3296fce3 (patch)
tree88b5db2fc7fbbb0353edd8447a832a5225a49d01 /drivers/media/platform/soc_camera/soc_camera.c
parent56e520c7a0a490b63b042b047ec9659fc08762a4 (diff)
parent9fce0c226536fc36c7fb0a80000ca38a995be43e (diff)
downloadblackbird-op-linux-de34f4da7f62ff59ac6e1ef320b0fcfa3296fce3.tar.gz
blackbird-op-linux-de34f4da7f62ff59ac6e1ef320b0fcfa3296fce3.zip
Merge tag 'media/v4.9-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
Pull media updates from Mauro Carvalho Chehab: - Documentation improvements: conversion of all non-DocBook documents to Sphinx and lots of fixes to the uAPI media book - New PCI driver for Techwell TW5864 media grabber boards - New SoC driver for ATMEL Image Sensor Controller - Removal of some obsolete SoC drivers (s5p-tv driver and soc_camera drivers) - Addition of ST CEC driver - Lots of drivers fixes, improvements and additions * tag 'media/v4.9-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (464 commits) [media] ttusb_dec: avoid the risk of go past buffer [media] cx23885: Fix some smatch warnings [media] si2165: switch to regmap [media] si2165: use i2c_client->dev instead of i2c_adapter->dev for logging [media] si2165: Remove legacy attach [media] cx231xx: attach si2165 driver via i2c_client [media] cx231xx: Prepare for attaching new style i2c_client DVB demod drivers [media] cx23885: attach si2165 driver via i2c_client [media] si2165: support i2c_client attach [media] si2165: avoid division by zero [media] rcar-vin: add R-Car gen2 fallback compatibility string [media] lgdt3306a: remove 20*50 msec unnecessary timeout [media] cx25821: Remove deprecated create_singlethread_workqueue [media] cx25821: Drop Freeing of Workqueue [media] cxd2841er: force 8MHz bandwidth for DVB-C if specified bw not supported [media] redrat3: hardware-specific parameters [media] redrat3: remove hw_timeout member [media] cxd2841er: BER and SNR reading for ISDB-T [media] dvb-usb: avoid link error with dib3000m{b,c| [media] dvb-usb: split out common parts of dibusb ...
Diffstat (limited to 'drivers/media/platform/soc_camera/soc_camera.c')
-rw-r--r--drivers/media/platform/soc_camera/soc_camera.c130
1 files changed, 37 insertions, 93 deletions
diff --git a/drivers/media/platform/soc_camera/soc_camera.c b/drivers/media/platform/soc_camera/soc_camera.c
index 46c7186f7867..edd1c1de4e33 100644
--- a/drivers/media/platform/soc_camera/soc_camera.c
+++ b/drivers/media/platform/soc_camera/soc_camera.c
@@ -581,7 +581,7 @@ static int soc_camera_set_fmt(struct soc_camera_device *icd,
dev_dbg(icd->pdev, "S_FMT(%c%c%c%c, %ux%u)\n",
pixfmtstr(pix->pixelformat), pix->width, pix->height);
- /* We always call try_fmt() before set_fmt() or set_crop() */
+ /* We always call try_fmt() before set_fmt() or set_selection() */
ret = soc_camera_try_fmt(icd, f);
if (ret < 0)
return ret;
@@ -1025,72 +1025,6 @@ static int soc_camera_streamoff(struct file *file, void *priv,
return ret;
}
-static int soc_camera_cropcap(struct file *file, void *fh,
- struct v4l2_cropcap *a)
-{
- struct soc_camera_device *icd = file->private_data;
- struct soc_camera_host *ici = to_soc_camera_host(icd->parent);
-
- return ici->ops->cropcap(icd, a);
-}
-
-static int soc_camera_g_crop(struct file *file, void *fh,
- struct v4l2_crop *a)
-{
- struct soc_camera_device *icd = file->private_data;
- struct soc_camera_host *ici = to_soc_camera_host(icd->parent);
- int ret;
-
- ret = ici->ops->get_crop(icd, a);
-
- return ret;
-}
-
-/*
- * According to the V4L2 API, drivers shall not update the struct v4l2_crop
- * argument with the actual geometry, instead, the user shall use G_CROP to
- * retrieve it.
- */
-static int soc_camera_s_crop(struct file *file, void *fh,
- const struct v4l2_crop *a)
-{
- struct soc_camera_device *icd = file->private_data;
- struct soc_camera_host *ici = to_soc_camera_host(icd->parent);
- const struct v4l2_rect *rect = &a->c;
- struct v4l2_crop current_crop;
- int ret;
-
- if (a->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
- return -EINVAL;
-
- dev_dbg(icd->pdev, "S_CROP(%ux%u@%u:%u)\n",
- rect->width, rect->height, rect->left, rect->top);
-
- current_crop.type = a->type;
-
- /* If get_crop fails, we'll let host and / or client drivers decide */
- ret = ici->ops->get_crop(icd, &current_crop);
-
- /* Prohibit window size change with initialised buffers */
- if (ret < 0) {
- dev_err(icd->pdev,
- "S_CROP denied: getting current crop failed\n");
- } else if ((a->c.width == current_crop.c.width &&
- a->c.height == current_crop.c.height) ||
- !is_streaming(ici, icd)) {
- /* same size or not streaming - use .set_crop() */
- ret = ici->ops->set_crop(icd, a);
- } else if (ici->ops->set_livecrop) {
- ret = ici->ops->set_livecrop(icd, a);
- } else {
- dev_err(icd->pdev,
- "S_CROP denied: queue initialised and sizes differ\n");
- ret = -EBUSY;
- }
-
- return ret;
-}
-
static int soc_camera_g_selection(struct file *file, void *fh,
struct v4l2_selection *s)
{
@@ -1101,9 +1035,6 @@ static int soc_camera_g_selection(struct file *file, void *fh,
if (s->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
return -EINVAL;
- if (!ici->ops->get_selection)
- return -ENOTTY;
-
return ici->ops->get_selection(icd, s);
}
@@ -1135,10 +1066,11 @@ static int soc_camera_s_selection(struct file *file, void *fh,
return -EBUSY;
}
- if (!ici->ops->set_selection)
- return -ENOTTY;
-
- ret = ici->ops->set_selection(icd, s);
+ if (s->target == V4L2_SEL_TGT_CROP && is_streaming(ici, icd) &&
+ ici->ops->set_liveselection)
+ ret = ici->ops->set_liveselection(icd, s);
+ else
+ ret = ici->ops->set_selection(icd, s);
if (!ret &&
s->target == V4L2_SEL_TGT_COMPOSE) {
icd->user_width = s->r.width;
@@ -1881,23 +1813,40 @@ static int soc_camera_remove(struct soc_camera_device *icd)
return 0;
}
-static int default_cropcap(struct soc_camera_device *icd,
- struct v4l2_cropcap *a)
+static int default_g_selection(struct soc_camera_device *icd,
+ struct v4l2_selection *sel)
{
struct v4l2_subdev *sd = soc_camera_to_subdev(icd);
- return v4l2_subdev_call(sd, video, cropcap, a);
-}
+ struct v4l2_subdev_selection sdsel = {
+ .which = V4L2_SUBDEV_FORMAT_ACTIVE,
+ .target = sel->target,
+ };
+ int ret;
-static int default_g_crop(struct soc_camera_device *icd, struct v4l2_crop *a)
-{
- struct v4l2_subdev *sd = soc_camera_to_subdev(icd);
- return v4l2_subdev_call(sd, video, g_crop, a);
+ ret = v4l2_subdev_call(sd, pad, get_selection, NULL, &sdsel);
+ if (ret)
+ return ret;
+ sel->r = sdsel.r;
+ return 0;
}
-static int default_s_crop(struct soc_camera_device *icd, const struct v4l2_crop *a)
+static int default_s_selection(struct soc_camera_device *icd,
+ struct v4l2_selection *sel)
{
struct v4l2_subdev *sd = soc_camera_to_subdev(icd);
- return v4l2_subdev_call(sd, video, s_crop, a);
+ struct v4l2_subdev_selection sdsel = {
+ .which = V4L2_SUBDEV_FORMAT_ACTIVE,
+ .target = sel->target,
+ .flags = sel->flags,
+ .r = sel->r,
+ };
+ int ret;
+
+ ret = v4l2_subdev_call(sd, pad, set_selection, NULL, &sdsel);
+ if (ret)
+ return ret;
+ sel->r = sdsel.r;
+ return 0;
}
static int default_g_parm(struct soc_camera_device *icd,
@@ -1968,12 +1917,10 @@ int soc_camera_host_register(struct soc_camera_host *ici)
!ici->v4l2_dev.dev)
return -EINVAL;
- if (!ici->ops->set_crop)
- ici->ops->set_crop = default_s_crop;
- if (!ici->ops->get_crop)
- ici->ops->get_crop = default_g_crop;
- if (!ici->ops->cropcap)
- ici->ops->cropcap = default_cropcap;
+ if (!ici->ops->set_selection)
+ ici->ops->set_selection = default_s_selection;
+ if (!ici->ops->get_selection)
+ ici->ops->get_selection = default_g_selection;
if (!ici->ops->set_parm)
ici->ops->set_parm = default_s_parm;
if (!ici->ops->get_parm)
@@ -2126,9 +2073,6 @@ static const struct v4l2_ioctl_ops soc_camera_ioctl_ops = {
.vidioc_expbuf = soc_camera_expbuf,
.vidioc_streamon = soc_camera_streamon,
.vidioc_streamoff = soc_camera_streamoff,
- .vidioc_cropcap = soc_camera_cropcap,
- .vidioc_g_crop = soc_camera_g_crop,
- .vidioc_s_crop = soc_camera_s_crop,
.vidioc_g_selection = soc_camera_g_selection,
.vidioc_s_selection = soc_camera_s_selection,
.vidioc_g_parm = soc_camera_g_parm,
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