summaryrefslogtreecommitdiff
path: root/drivers/media/platform/atmel/atmel-isi.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/media/platform/atmel/atmel-isi.c')
-rw-r--r--drivers/media/platform/atmel/atmel-isi.c35
1 files changed, 16 insertions, 19 deletions
diff --git a/drivers/media/platform/atmel/atmel-isi.c b/drivers/media/platform/atmel/atmel-isi.c
index e4867f84514c..891fa2505efa 100644
--- a/drivers/media/platform/atmel/atmel-isi.c
+++ b/drivers/media/platform/atmel/atmel-isi.c
@@ -19,6 +19,7 @@
#include <linux/interrupt.h>
#include <linux/kernel.h>
#include <linux/module.h>
+#include <linux/of_graph.h>
#include <linux/platform_device.h>
#include <linux/pm_runtime.h>
#include <linux/slab.h>
@@ -30,14 +31,14 @@
#include <media/v4l2-dev.h>
#include <media/v4l2-ioctl.h>
#include <media/v4l2-event.h>
-#include <media/v4l2-of.h>
+#include <media/v4l2-fwnode.h>
#include <media/videobuf2-dma-contig.h>
#include <media/v4l2-image-sizes.h>
#include "atmel-isi.h"
-#define MAX_SUPPORT_WIDTH 2048
-#define MAX_SUPPORT_HEIGHT 2048
+#define MAX_SUPPORT_WIDTH 2048U
+#define MAX_SUPPORT_HEIGHT 2048U
#define MIN_FRAME_RATE 15
#define FRAME_INTERVAL_MILLI_SEC (1000 / MIN_FRAME_RATE)
@@ -424,6 +425,8 @@ static int start_streaming(struct vb2_queue *vq, unsigned int count)
struct frame_buffer *buf, *node;
int ret;
+ pm_runtime_get_sync(isi->dev);
+
/* Enable stream on the sub device */
ret = v4l2_subdev_call(isi->entity.subdev, video, s_stream, 1);
if (ret && ret != -ENOIOCTLCMD) {
@@ -431,8 +434,6 @@ static int start_streaming(struct vb2_queue *vq, unsigned int count)
goto err_start_stream;
}
- pm_runtime_get_sync(isi->dev);
-
/* Reset ISI */
ret = atmel_isi_wait_status(isi, WAIT_ISI_RESET);
if (ret < 0) {
@@ -455,10 +456,11 @@ static int start_streaming(struct vb2_queue *vq, unsigned int count)
return 0;
err_reset:
- pm_runtime_put(isi->dev);
v4l2_subdev_call(isi->entity.subdev, video, s_stream, 0);
err_start_stream:
+ pm_runtime_put(isi->dev);
+
spin_lock_irq(&isi->irqlock);
isi->active = NULL;
/* Release all active buffers */
@@ -566,20 +568,15 @@ static int isi_try_fmt(struct atmel_isi *isi, struct v4l2_format *f,
};
int ret;
- if (f->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
- return -EINVAL;
-
isi_fmt = find_format_by_fourcc(isi, pixfmt->pixelformat);
if (!isi_fmt) {
isi_fmt = isi->user_formats[isi->num_user_formats - 1];
pixfmt->pixelformat = isi_fmt->fourcc;
}
- /* Limit to Atmel ISC hardware capabilities */
- if (pixfmt->width > MAX_SUPPORT_WIDTH)
- pixfmt->width = MAX_SUPPORT_WIDTH;
- if (pixfmt->height > MAX_SUPPORT_HEIGHT)
- pixfmt->height = MAX_SUPPORT_HEIGHT;
+ /* Limit to Atmel ISI hardware capabilities */
+ pixfmt->width = clamp(pixfmt->width, 0U, MAX_SUPPORT_WIDTH);
+ pixfmt->height = clamp(pixfmt->height, 0U, MAX_SUPPORT_HEIGHT);
v4l2_fill_mbus_format(&format.format, pixfmt, isi_fmt->mbus_code);
ret = v4l2_subdev_call(isi->entity.subdev, pad, set_fmt,
@@ -801,7 +798,7 @@ static int atmel_isi_parse_dt(struct atmel_isi *isi,
struct platform_device *pdev)
{
struct device_node *np = pdev->dev.of_node;
- struct v4l2_of_endpoint ep;
+ struct v4l2_fwnode_endpoint ep;
int err;
/* Default settings for ISI */
@@ -814,7 +811,7 @@ static int atmel_isi_parse_dt(struct atmel_isi *isi,
return -EINVAL;
}
- err = v4l2_of_parse_endpoint(np, &ep);
+ err = v4l2_fwnode_endpoint_parse(of_fwnode_handle(np), &ep);
of_node_put(np);
if (err) {
dev_err(&pdev->dev, "Could not parse the endpoint\n");
@@ -1058,7 +1055,7 @@ static int isi_graph_notify_complete(struct v4l2_async_notifier *notifier)
struct atmel_isi *isi = notifier_to_isi(notifier);
int ret;
- isi->vdev->ctrl_handler = isi->entity.subdev->ctrl_handler;
+ isi->vdev->ctrl_handler = isi->entity.subdev->ctrl_handler;
ret = isi_formats_init(isi);
if (ret) {
dev_err(isi->dev, "No supported mediabus format found\n");
@@ -1126,8 +1123,8 @@ static int isi_graph_parse(struct atmel_isi *isi, struct device_node *node)
/* Remote node to connect */
isi->entity.node = remote;
- isi->entity.asd.match_type = V4L2_ASYNC_MATCH_OF;
- isi->entity.asd.match.of.node = remote;
+ isi->entity.asd.match_type = V4L2_ASYNC_MATCH_FWNODE;
+ isi->entity.asd.match.fwnode.fwnode = of_fwnode_handle(remote);
return 0;
}
}