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Date: Tue, 11 Jun 2019 10:48:30 +0200
From: Hugues Fruchet <hugues.fruchet@...com>
To: Alexandre Torgue <alexandre.torgue@...com>,
Mauro Carvalho Chehab <mchehab@...nel.org>,
Hans Verkuil <hverkuil@...all.nl>,
Sakari Ailus <sakari.ailus@...ux.intel.com>
CC: <linux-media@...r.kernel.org>,
<linux-arm-kernel@...ts.infradead.org>,
<linux-kernel@...r.kernel.org>,
<linux-stm32@...md-mailman.stormreply.com>,
Benjamin Gaignard <benjamin.gaignard@...aro.org>,
Yannick Fertre <yannick.fertre@...com>,
Philippe CORNU <philippe.cornu@...com>,
"Hugues Fruchet" <hugues.fruchet@...com>,
Mickael GUENE <mickael.guene@...com>
Subject: [PATCH v2 1/3] media: stm32-dcmi: improve sensor subdev naming
Add a new "sensor" field to dcmi struct instead of
reusing entity->subdev to address sensor subdev.
Signed-off-by: Hugues Fruchet <hugues.fruchet@...com>
---
drivers/media/platform/stm32/stm32-dcmi.c | 37 ++++++++++++++++---------------
1 file changed, 19 insertions(+), 18 deletions(-)
diff --git a/drivers/media/platform/stm32/stm32-dcmi.c b/drivers/media/platform/stm32/stm32-dcmi.c
index b9dad0a..7a4d559 100644
--- a/drivers/media/platform/stm32/stm32-dcmi.c
+++ b/drivers/media/platform/stm32/stm32-dcmi.c
@@ -151,6 +151,7 @@ struct stm32_dcmi {
unsigned int num_of_sd_framesizes;
struct dcmi_framesize sd_framesize;
struct v4l2_rect sd_bounds;
+ struct v4l2_subdev *sensor;
/* Protect this data structure */
struct mutex lock;
@@ -595,7 +596,7 @@ static int dcmi_start_streaming(struct vb2_queue *vq, unsigned int count)
}
/* Enable stream on the sub device */
- ret = v4l2_subdev_call(dcmi->entity.subdev, video, s_stream, 1);
+ ret = v4l2_subdev_call(dcmi->sensor, video, s_stream, 1);
if (ret && ret != -ENOIOCTLCMD) {
dev_err(dcmi->dev, "%s: Failed to start streaming, subdev streamon error",
__func__);
@@ -685,7 +686,7 @@ static int dcmi_start_streaming(struct vb2_queue *vq, unsigned int count)
return 0;
err_subdev_streamoff:
- v4l2_subdev_call(dcmi->entity.subdev, video, s_stream, 0);
+ v4l2_subdev_call(dcmi->sensor, video, s_stream, 0);
err_pm_put:
pm_runtime_put(dcmi->dev);
@@ -713,7 +714,7 @@ static void dcmi_stop_streaming(struct vb2_queue *vq)
int ret;
/* Disable stream on the sub device */
- ret = v4l2_subdev_call(dcmi->entity.subdev, video, s_stream, 0);
+ ret = v4l2_subdev_call(dcmi->sensor, video, s_stream, 0);
if (ret && ret != -ENOIOCTLCMD)
dev_err(dcmi->dev, "%s: Failed to stop streaming, subdev streamoff error (%d)\n",
__func__, ret);
@@ -857,7 +858,7 @@ static int dcmi_try_fmt(struct stm32_dcmi *dcmi, struct v4l2_format *f,
}
v4l2_fill_mbus_format(&format.format, pix, sd_fmt->mbus_code);
- ret = v4l2_subdev_call(dcmi->entity.subdev, pad, set_fmt,
+ ret = v4l2_subdev_call(dcmi->sensor, pad, set_fmt,
&pad_cfg, &format);
if (ret < 0)
return ret;
@@ -934,7 +935,7 @@ static int dcmi_set_fmt(struct stm32_dcmi *dcmi, struct v4l2_format *f)
mf->width = sd_framesize.width;
mf->height = sd_framesize.height;
- ret = v4l2_subdev_call(dcmi->entity.subdev, pad,
+ ret = v4l2_subdev_call(dcmi->sensor, pad,
set_fmt, NULL, &format);
if (ret < 0)
return ret;
@@ -991,7 +992,7 @@ static int dcmi_get_sensor_format(struct stm32_dcmi *dcmi,
};
int ret;
- ret = v4l2_subdev_call(dcmi->entity.subdev, pad, get_fmt, NULL, &fmt);
+ ret = v4l2_subdev_call(dcmi->sensor, pad, get_fmt, NULL, &fmt);
if (ret)
return ret;
@@ -1020,7 +1021,7 @@ static int dcmi_set_sensor_format(struct stm32_dcmi *dcmi,
}
v4l2_fill_mbus_format(&format.format, pix, sd_fmt->mbus_code);
- ret = v4l2_subdev_call(dcmi->entity.subdev, pad, set_fmt,
+ ret = v4l2_subdev_call(dcmi->sensor, pad, set_fmt,
&pad_cfg, &format);
if (ret < 0)
return ret;
@@ -1043,7 +1044,7 @@ static int dcmi_get_sensor_bounds(struct stm32_dcmi *dcmi,
/*
* Get sensor bounds first
*/
- ret = v4l2_subdev_call(dcmi->entity.subdev, pad, get_selection,
+ ret = v4l2_subdev_call(dcmi->sensor, pad, get_selection,
NULL, &bounds);
if (!ret)
*r = bounds.r;
@@ -1224,7 +1225,7 @@ static int dcmi_enum_framesizes(struct file *file, void *fh,
fse.code = sd_fmt->mbus_code;
- ret = v4l2_subdev_call(dcmi->entity.subdev, pad, enum_frame_size,
+ ret = v4l2_subdev_call(dcmi->sensor, pad, enum_frame_size,
NULL, &fse);
if (ret)
return ret;
@@ -1241,7 +1242,7 @@ static int dcmi_g_parm(struct file *file, void *priv,
{
struct stm32_dcmi *dcmi = video_drvdata(file);
- return v4l2_g_parm_cap(video_devdata(file), dcmi->entity.subdev, p);
+ return v4l2_g_parm_cap(video_devdata(file), dcmi->sensor, p);
}
static int dcmi_s_parm(struct file *file, void *priv,
@@ -1249,7 +1250,7 @@ static int dcmi_s_parm(struct file *file, void *priv,
{
struct stm32_dcmi *dcmi = video_drvdata(file);
- return v4l2_s_parm_cap(video_devdata(file), dcmi->entity.subdev, p);
+ return v4l2_s_parm_cap(video_devdata(file), dcmi->sensor, p);
}
static int dcmi_enum_frameintervals(struct file *file, void *fh,
@@ -1271,7 +1272,7 @@ static int dcmi_enum_frameintervals(struct file *file, void *fh,
fie.code = sd_fmt->mbus_code;
- ret = v4l2_subdev_call(dcmi->entity.subdev, pad,
+ ret = v4l2_subdev_call(dcmi->sensor, pad,
enum_frame_interval, NULL, &fie);
if (ret)
return ret;
@@ -1291,7 +1292,7 @@ MODULE_DEVICE_TABLE(of, stm32_dcmi_of_match);
static int dcmi_open(struct file *file)
{
struct stm32_dcmi *dcmi = video_drvdata(file);
- struct v4l2_subdev *sd = dcmi->entity.subdev;
+ struct v4l2_subdev *sd = dcmi->sensor;
int ret;
if (mutex_lock_interruptible(&dcmi->lock))
@@ -1322,7 +1323,7 @@ static int dcmi_open(struct file *file)
static int dcmi_release(struct file *file)
{
struct stm32_dcmi *dcmi = video_drvdata(file);
- struct v4l2_subdev *sd = dcmi->entity.subdev;
+ struct v4l2_subdev *sd = dcmi->sensor;
bool fh_singular;
int ret;
@@ -1433,7 +1434,7 @@ static int dcmi_formats_init(struct stm32_dcmi *dcmi)
{
const struct dcmi_format *sd_fmts[ARRAY_SIZE(dcmi_formats)];
unsigned int num_fmts = 0, i, j;
- struct v4l2_subdev *subdev = dcmi->entity.subdev;
+ struct v4l2_subdev *subdev = dcmi->sensor;
struct v4l2_subdev_mbus_code_enum mbus_code = {
.which = V4L2_SUBDEV_FORMAT_ACTIVE,
};
@@ -1479,7 +1480,7 @@ static int dcmi_formats_init(struct stm32_dcmi *dcmi)
static int dcmi_framesizes_init(struct stm32_dcmi *dcmi)
{
unsigned int num_fsize = 0;
- struct v4l2_subdev *subdev = dcmi->entity.subdev;
+ struct v4l2_subdev *subdev = dcmi->sensor;
struct v4l2_subdev_frame_size_enum fse = {
.which = V4L2_SUBDEV_FORMAT_ACTIVE,
.code = dcmi->sd_format->mbus_code,
@@ -1526,7 +1527,7 @@ static int dcmi_graph_notify_complete(struct v4l2_async_notifier *notifier)
struct stm32_dcmi *dcmi = notifier_to_dcmi(notifier);
int ret;
- dcmi->vdev->ctrl_handler = dcmi->entity.subdev->ctrl_handler;
+ dcmi->vdev->ctrl_handler = dcmi->sensor->ctrl_handler;
ret = dcmi_formats_init(dcmi);
if (ret) {
dev_err(dcmi->dev, "No supported mediabus format found\n");
@@ -1582,7 +1583,7 @@ static int dcmi_graph_notify_bound(struct v4l2_async_notifier *notifier,
dev_dbg(dcmi->dev, "Subdev %s bound\n", subdev->name);
- dcmi->entity.subdev = subdev;
+ dcmi->sensor = subdev;
return 0;
}
--
2.7.4
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