From: Martin Tůma <martin.tuma@digiteqautomotive.com>
Date: Tue, 8 Apr 2025 13:21:55 +0000 (+0200)
Subject: media: mgb4: Enumerate only the available timings
X-Git-Tag: v6.16-rc1~145^2~142
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=2226b2dd42c59dff5f7de35afe5c0cc1a674b085;p=thirdparty%2Fkernel%2Flinux.git

media: mgb4: Enumerate only the available timings

Enumerate only the available (as given by the input source) timings, not
all theoretically possible.

Signed-off-by: Martin Tůma <martin.tuma@digiteqautomotive.com>
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
---

diff --git a/drivers/media/pci/mgb4/mgb4_vin.c b/drivers/media/pci/mgb4/mgb4_vin.c
index 6e806e0758372..989e93f67f75b 100644
--- a/drivers/media/pci/mgb4/mgb4_vin.c
+++ b/drivers/media/pci/mgb4/mgb4_vin.c
@@ -641,7 +641,14 @@ static int vidioc_query_dv_timings(struct file *file, void *fh,
 static int vidioc_enum_dv_timings(struct file *file, void *fh,
 				  struct v4l2_enum_dv_timings *timings)
 {
-	return v4l2_enum_dv_timings_cap(timings, &video_timings_cap, NULL, NULL);
+	struct mgb4_vin_dev *vindev = video_drvdata(file);
+
+	if (timings->index != 0)
+		return -EINVAL;
+	if (get_timings(vindev, &timings->timings) < 0)
+		return -ENODATA;
+
+	return 0;
 }
 
 static int vidioc_dv_timings_cap(struct file *file, void *fh,