linux-kernel - [PATCH 16/16] media: vimc: cap: Dynamically define device caps

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Date:   Fri, 15 Mar 2019 13:43:59 -0300
From:   André Almeida <andrealmeid@...labora.com>
To:     linux-media@...r.kernel.org
Cc:     mchehab@...nel.org, hverkuil@...all.nl, helen.koike@...labora.com,
        lucmaga@...il.com, linux-kernel@...r.kernel.org,
        kernel@...labora.com
Subject: [PATCH 16/16] media: vimc: cap: Dynamically define device caps

The device capabilities are defined according to the
multiplanar kernel parameter. A device can't support
both CAP_VIDEO_CAPTURE and CAP_VIDEO_CAPTURE_MPLANAR
at the same time.

Signed-off-by: André Almeida <andrealmeid@...labora.com>
---
 drivers/media/platform/vimc/vimc-capture.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/drivers/media/platform/vimc/vimc-capture.c b/drivers/media/platform/vimc/vimc-capture.c
index 50f7e71f23cd..c30a2887db33 100644
--- a/drivers/media/platform/vimc/vimc-capture.c
+++ b/drivers/media/platform/vimc/vimc-capture.c
@@ -652,7 +652,9 @@ static int vimc_cap_comp_bind(struct device *comp, struct device *master,
 
 	/* Initialize the vb2 queue */
 	q = &vcap->queue;
-	q->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
+	q->type = multiplanar ?
+		V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE :
+		V4L2_BUF_TYPE_VIDEO_CAPTURE;
 	q->io_modes = VB2_MMAP | VB2_DMABUF | VB2_USERPTR;
 	q->drv_priv = vcap;
 	q->buf_struct_size = sizeof(struct vimc_cap_buffer);
@@ -697,7 +699,9 @@ static int vimc_cap_comp_bind(struct device *comp, struct device *master,
 
 	/* Initialize the video_device struct */
 	vdev = &vcap->vdev;
-	vdev->device_caps = V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_STREAMING;
+	vdev->device_caps = (multiplanar ?
+			V4L2_CAP_VIDEO_CAPTURE_MPLANE :
+			V4L2_BUF_TYPE_VIDEO_CAPTURE) | V4L2_CAP_STREAMING;
 	vdev->entity.ops = &vimc_cap_mops;
 	vdev->release = video_device_release_empty;
 	vdev->fops = &vimc_cap_fops;
-- 
2.21.0