media: platform: Change the fixed device node number to unfixed value

The driver can be instantiated multiple times, e.g. for a decoder and
an encoder. Moreover, other drivers could coexist on the same system.
This makes the static video node number assignment pointless, so switch
to automatic assignment instead.

Reviewed-by: Tomasz Figa <tfiga@chromium.org>
Signed-off-by: Xia Jiang <xia.jiang@mediatek.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>

diff --git a/drivers/media/platform/mtk-jpeg/mtk_jpeg_core.c b/drivers/media/platform/mtk-jpeg/mtk_jpeg_core.c
index f4264f4..feac405 100644 (file)
--- a/drivers/media/platform/mtk-jpeg/mtk_jpeg_core.c
+++ b/drivers/media/platform/mtk-jpeg/mtk_jpeg_core.c
@@ -1154,7 +1154,7 @@ static int mtk_jpeg_probe(struct platform_device *pdev)
        jpeg->dec_vdev->device_caps = V4L2_CAP_STREAMING |
                                      V4L2_CAP_VIDEO_M2M_MPLANE;
 
-       ret = video_register_device(jpeg->dec_vdev, VFL_TYPE_VIDEO, 3);
+       ret = video_register_device(jpeg->dec_vdev, VFL_TYPE_VIDEO, -1);
        if (ret) {
                v4l2_err(&jpeg->v4l2_dev, "Failed to register video device\n");
                goto err_dec_vdev_register;