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[media] atmel-isc: set the format on the first open 

Set the current format on the first open.

Signed-off-by: Songjun Wu <songjun.wu@microchip.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
This commit is contained in:
Songjun Wu 2016-09-12 04:47:24 -03:00 committed by Mauro Carvalho Chehab
parent a58d1191ca
commit 4540e0ad6f
1 changed files with 18 additions and 12 deletions
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30
drivers/media/platform/atmel/atmel-isc.c
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@ -924,10 +924,16 @@ static int isc_open(struct file *file)
goto unlock;
ret = v4l2_subdev_call(sd, core, s_power, 1);
if (ret < 0 && ret != -ENOIOCTLCMD)
if (ret < 0 && ret != -ENOIOCTLCMD) {
v4l2_fh_release(file);
else
ret = 0;
goto unlock;
}
ret = isc_set_fmt(isc, &isc->fmt);
if (ret) {
v4l2_subdev_call(sd, core, s_power, 0);
v4l2_fh_release(file);
}
unlock:
mutex_unlock(&isc->lock);
@ -1118,8 +1124,16 @@ static int isc_set_default_fmt(struct isc_device *isc)
.pixelformat = isc->user_formats[0]->fourcc,
},
};
int ret;
return isc_set_fmt(isc, &f);
ret = isc_try_fmt(isc, &f, NULL);
if (ret)
return ret;
isc->current_fmt = isc->user_formats[0];
isc->fmt = f;
return 0;
}
static int isc_async_complete(struct v4l2_async_notifier *notifier)
@ -1172,20 +1186,12 @@ static int isc_async_complete(struct v4l2_async_notifier *notifier)
return ret;
}
ret = v4l2_subdev_call(sd_entity->sd, core, s_power, 1);
if (ret < 0 && ret != -ENOIOCTLCMD)
return ret;
ret = isc_set_default_fmt(isc);
if (ret) {
v4l2_err(&isc->v4l2_dev, "Could not set default format\n");
return ret;
}
ret = v4l2_subdev_call(sd_entity->sd, core, s_power, 0);
if (ret < 0 && ret != -ENOIOCTLCMD)
return ret;
/* Register video device */
strlcpy(vdev->name, ATMEL_ISC_NAME, sizeof(vdev->name));
vdev->release = video_device_release_empty;