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Commit 2e9521fd authored by Linus Torvalds's avatar Linus Torvalds
Browse files
* 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6:
  [media] V4L: soc-camera: regression fix: calculate .sizeimage in soc_camera.c
  [media] v4l2-subdev: fix broken subdev control enumeration
  [media] Fix cx88 remote control input
  [media] v4l: Release module if subdev registration fails
parents 39dcfa55 dca6b6d1
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+1 −1
Original line number Diff line number Diff line
@@ -524,7 +524,7 @@ void cx88_ir_irq(struct cx88_core *core)
	for (todo = 32; todo > 0; todo -= bits) {
		ev.pulse = samples & 0x80000000 ? false : true;
		bits = min(todo, 32U - fls(ev.pulse ? samples : ~samples));
		ev.duration = (bits * NSEC_PER_SEC) / (1000 * ir_samplerate);
		ev.duration = (bits * (NSEC_PER_SEC / 1000)) / ir_samplerate;
		ir_raw_event_store_with_filter(ir->dev, &ev);
		samples <<= bits;
	}
+42 −6
Original line number Diff line number Diff line
@@ -136,11 +136,50 @@ unsigned long soc_camera_apply_sensor_flags(struct soc_camera_link *icl,
}
EXPORT_SYMBOL(soc_camera_apply_sensor_flags);

#define pixfmtstr(x) (x) & 0xff, ((x) >> 8) & 0xff, ((x) >> 16) & 0xff, \
	((x) >> 24) & 0xff

static int soc_camera_try_fmt(struct soc_camera_device *icd,
			      struct v4l2_format *f)
{
	struct soc_camera_host *ici = to_soc_camera_host(icd->dev.parent);
	struct v4l2_pix_format *pix = &f->fmt.pix;
	int ret;

	dev_dbg(&icd->dev, "TRY_FMT(%c%c%c%c, %ux%u)\n",
		pixfmtstr(pix->pixelformat), pix->width, pix->height);

	pix->bytesperline = 0;
	pix->sizeimage = 0;

	ret = ici->ops->try_fmt(icd, f);
	if (ret < 0)
		return ret;

	if (!pix->sizeimage) {
		if (!pix->bytesperline) {
			const struct soc_camera_format_xlate *xlate;

			xlate = soc_camera_xlate_by_fourcc(icd, pix->pixelformat);
			if (!xlate)
				return -EINVAL;

			ret = soc_mbus_bytes_per_line(pix->width,
						      xlate->host_fmt);
			if (ret > 0)
				pix->bytesperline = ret;
		}
		if (pix->bytesperline)
			pix->sizeimage = pix->bytesperline * pix->height;
	}

	return 0;
}

static int soc_camera_try_fmt_vid_cap(struct file *file, void *priv,
				      struct v4l2_format *f)
{
	struct soc_camera_device *icd = file->private_data;
	struct soc_camera_host *ici = to_soc_camera_host(icd->dev.parent);

	WARN_ON(priv != file->private_data);

@@ -149,7 +188,7 @@ static int soc_camera_try_fmt_vid_cap(struct file *file, void *priv,
		return -EINVAL;

	/* limit format to hardware capabilities */
	return ici->ops->try_fmt(icd, f);
	return soc_camera_try_fmt(icd, f);
}

static int soc_camera_enum_input(struct file *file, void *priv,
@@ -362,9 +401,6 @@ static void soc_camera_free_user_formats(struct soc_camera_device *icd)
	icd->user_formats = NULL;
}

#define pixfmtstr(x) (x) & 0xff, ((x) >> 8) & 0xff, ((x) >> 16) & 0xff, \
	((x) >> 24) & 0xff

/* Called with .vb_lock held, or from the first open(2), see comment there */
static int soc_camera_set_fmt(struct soc_camera_device *icd,
			      struct v4l2_format *f)
@@ -377,7 +413,7 @@ static int soc_camera_set_fmt(struct soc_camera_device *icd,
		pixfmtstr(pix->pixelformat), pix->width, pix->height);

	/* We always call try_fmt() before set_fmt() or set_crop() */
	ret = ici->ops->try_fmt(icd, f);
	ret = soc_camera_try_fmt(icd, f);
	if (ret < 0)
		return ret;

+4 −1
Original line number Diff line number Diff line
@@ -155,15 +155,18 @@ int v4l2_device_register_subdev(struct v4l2_device *v4l2_dev,
	sd->v4l2_dev = v4l2_dev;
	if (sd->internal_ops && sd->internal_ops->registered) {
		err = sd->internal_ops->registered(sd);
		if (err)
		if (err) {
			module_put(sd->owner);
			return err;
		}
	}

	/* This just returns 0 if either of the two args is NULL */
	err = v4l2_ctrl_add_handler(v4l2_dev->ctrl_handler, sd->ctrl_handler);
	if (err) {
		if (sd->internal_ops && sd->internal_ops->unregistered)
			sd->internal_ops->unregistered(sd);
		module_put(sd->owner);
		return err;
	}

+7 −7
Original line number Diff line number Diff line
@@ -155,25 +155,25 @@ static long subdev_do_ioctl(struct file *file, unsigned int cmd, void *arg)

	switch (cmd) {
	case VIDIOC_QUERYCTRL:
		return v4l2_subdev_queryctrl(sd, arg);
		return v4l2_queryctrl(sd->ctrl_handler, arg);

	case VIDIOC_QUERYMENU:
		return v4l2_subdev_querymenu(sd, arg);
		return v4l2_querymenu(sd->ctrl_handler, arg);

	case VIDIOC_G_CTRL:
		return v4l2_subdev_g_ctrl(sd, arg);
		return v4l2_g_ctrl(sd->ctrl_handler, arg);

	case VIDIOC_S_CTRL:
		return v4l2_subdev_s_ctrl(sd, arg);
		return v4l2_s_ctrl(sd->ctrl_handler, arg);

	case VIDIOC_G_EXT_CTRLS:
		return v4l2_subdev_g_ext_ctrls(sd, arg);
		return v4l2_g_ext_ctrls(sd->ctrl_handler, arg);

	case VIDIOC_S_EXT_CTRLS:
		return v4l2_subdev_s_ext_ctrls(sd, arg);
		return v4l2_s_ext_ctrls(sd->ctrl_handler, arg);

	case VIDIOC_TRY_EXT_CTRLS:
		return v4l2_subdev_try_ext_ctrls(sd, arg);
		return v4l2_try_ext_ctrls(sd->ctrl_handler, arg);

	case VIDIOC_DQEVENT:
		if (!(sd->flags & V4L2_SUBDEV_FL_HAS_EVENTS))