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Diffstat (limited to 'drivers/media/platform/atmel/atmel-isi.c')
-rw-r--r--drivers/media/platform/atmel/atmel-isi.c24
1 files changed, 10 insertions, 14 deletions
diff --git a/drivers/media/platform/atmel/atmel-isi.c b/drivers/media/platform/atmel/atmel-isi.c
index ef482cc704fe..891fa2505efa 100644
--- a/drivers/media/platform/atmel/atmel-isi.c
+++ b/drivers/media/platform/atmel/atmel-isi.c
@@ -37,8 +37,8 @@
#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)
@@ -425,6 +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) {
@@ -432,8 +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) {
@@ -456,10 +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 */
@@ -567,20 +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,
@@ -1059,7 +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");