linux-kernel - [Patch v2 18/20] media: ti-vpe: cal: fix enum_mbus_code/frame

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Date:   Mon, 4 Nov 2019 13:31:38 -0600
From:   Benoit Parrot <bparrot@...com>
To:     Hans Verkuil <hverkuil@...all.nl>
CC:     <linux-media@...r.kernel.org>, Rob Herring <robh+dt@...nel.org>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        Benoit Parrot <bparrot@...com>
Subject: [Patch v2 18/20] media: ti-vpe: cal: fix enum_mbus_code/frame_size subdev arguments

Make sure that both enum_mbus_code() and enum_framesize() properly
populate the .which parameter member, otherwise -EINVAL is return
causing the subdev asynchronous registration handshake to fail.

Signed-off-by: Benoit Parrot <bparrot@...com>
---
 drivers/media/platform/ti-vpe/cal.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/media/platform/ti-vpe/cal.c b/drivers/media/platform/ti-vpe/cal.c
index cc5af830fa10..1b3b5438b76a 100644
--- a/drivers/media/platform/ti-vpe/cal.c
+++ b/drivers/media/platform/ti-vpe/cal.c
@@ -1500,6 +1500,7 @@ static int cal_enum_framesizes(struct file *file, void *fh,
 	fse.index = fsize->index;
 	fse.pad = 0;
 	fse.code = fmt->code;
+	fse.which = V4L2_SUBDEV_FORMAT_ACTIVE;
 
 	ret = v4l2_subdev_call(ctx->sensor, pad, enum_frame_size, NULL, &fse);
 	if (ret)
@@ -1840,6 +1841,7 @@ static int cal_async_bound(struct v4l2_async_notifier *notifier,
 
 		memset(&mbus_code, 0, sizeof(mbus_code));
 		mbus_code.index = j;
+		mbus_code.which = V4L2_SUBDEV_FORMAT_ACTIVE;
 		ret = v4l2_subdev_call(subdev, pad, enum_mbus_code,
 				       NULL, &mbus_code);
 		if (ret)
-- 
2.17.1