[PATCH 7/7] media: sun6i: Expose controls on the v4l2_device

[Maxime Ripard]

Signed-off-by: Maxime Ripard <maxime.rip...@bootlin.com>
---
 drivers/media/platform/sunxi/sun6i-csi/sun6i_csi.c   | 8 ++++++++
 drivers/media/platform/sunxi/sun6i-csi/sun6i_csi.h   | 2 ++
 drivers/media/platform/sunxi/sun6i-csi/sun6i_video.c | 6 ++++++
 3 files changed, 16 insertions(+)

diff --git a/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi.c 
b/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi.c
index a93bc25ff372..26d57e6053df 100644
--- a/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi.c
+++ b/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi.c
@@ -729,7 +729,15 @@ static int sun6i_csi_v4l2_init(struct sun6i_csi *csi)
 
        media_device_init(&csi->media_dev);
 
+       ret = v4l2_ctrl_handler_init(&csi->ctrl_handler, 0);
+       if (ret) {
+               dev_err(csi->dev, "V4L2 controls handler init failed (%d)\n",
+                       ret);
+               goto clean_media;
+       }
+
        csi->v4l2_dev.mdev = &csi->media_dev;
+       csi->v4l2_dev.ctrl_handler = &csi->ctrl_handler;
        ret = v4l2_device_register(csi->dev, &csi->v4l2_dev);
        if (ret) {
                dev_err(csi->dev, "V4L2 device registration failed (%d)\n",
diff --git a/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi.h 
b/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi.h
index c1a1e3aefaa8..c0e8b14073d1 100644
--- a/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi.h
+++ b/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi.h
@@ -8,6 +8,7 @@
 #ifndef __SUN6I_CSI_H__
 #define __SUN6I_CSI_H__
 
+#include <media/v4l2-ctrls.h>
 #include <media/v4l2-device.h>
 #include <media/v4l2-fwnode.h>
 
@@ -33,6 +34,7 @@ struct sun6i_csi_config {
 
 struct sun6i_csi {
        struct device                   *dev;
+       struct v4l2_ctrl_handler        ctrl_handler;
        struct v4l2_device              v4l2_dev;
        struct media_device             media_dev;
 
diff --git a/drivers/media/platform/sunxi/sun6i-csi/sun6i_video.c 
b/drivers/media/platform/sunxi/sun6i-csi/sun6i_video.c
index c74565d15014..bf7c0d1d1d47 100644
--- a/drivers/media/platform/sunxi/sun6i-csi/sun6i_video.c
+++ b/drivers/media/platform/sunxi/sun6i-csi/sun6i_video.c
@@ -8,6 +8,7 @@
 #include <linux/of.h>
 
 #include <media/v4l2-device.h>
+#include <media/v4l2-event.h>
 #include <media/v4l2-ioctl.h>
 #include <media/v4l2-mc.h>
 #include <media/videobuf2-dma-contig.h>
@@ -497,6 +498,11 @@ static const struct v4l2_ioctl_ops sun6i_video_ioctl_ops = 
{
        .vidioc_prepare_buf             = vb2_ioctl_prepare_buf,
        .vidioc_streamon                = vb2_ioctl_streamon,
        .vidioc_streamoff               = vb2_ioctl_streamoff,
+
+       .vidioc_log_status              = v4l2_ctrl_log_status,
+       .vidioc_subscribe_event         = v4l2_ctrl_subscribe_event,
+       .vidioc_unsubscribe_event       = v4l2_event_unsubscribe,
+
 };
 
 /* 
-----------------------------------------------------------------------------
-- 
2.14.3