xref: /OK3568_Linux_fs/buildroot/package/libcamera/0001-HACK-v4l2-Bypass-API-version-check.patch (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593SmuzhiyunFrom 28ae28a5025a4987f117444fbc15a5e4a0fbf8f5 Mon Sep 17 00:00:00 2001
2*4882a593SmuzhiyunFrom: Jeffy Chen <jeffy.chen@rock-chips.com>
3*4882a593SmuzhiyunDate: Tue, 29 Nov 2022 17:17:27 +0800
4*4882a593SmuzhiyunSubject: [PATCH 1/3] HACK: v4l2: Bypass API version check
5*4882a593Smuzhiyun
6*4882a593SmuzhiyunSome drivers overrides it to their private versions.
7*4882a593Smuzhiyun
8*4882a593SmuzhiyunSigned-off-by: Jeffy Chen <jeffy.chen@rock-chips.com>
9*4882a593Smuzhiyun---
10*4882a593Smuzhiyun src/libcamera/v4l2_videodevice.cpp | 2 ++
11*4882a593Smuzhiyun 1 file changed, 2 insertions(+)
12*4882a593Smuzhiyun
13*4882a593Smuzhiyundiff --git a/src/libcamera/v4l2_videodevice.cpp b/src/libcamera/v4l2_videodevice.cpp
14*4882a593Smuzhiyunindex 6391133..ba472f7 100644
15*4882a593Smuzhiyun--- a/src/libcamera/v4l2_videodevice.cpp
16*4882a593Smuzhiyun+++ b/src/libcamera/v4l2_videodevice.cpp
17*4882a593Smuzhiyun@@ -583,6 +583,7 @@ int V4L2VideoDevice::open()
18*4882a593Smuzhiyun 		return ret;
19*4882a593Smuzhiyun 	}
20*4882a593Smuzhiyun
21*4882a593Smuzhiyun+#if 0 // HACK: Bypass version check
22*4882a593Smuzhiyun 	if (caps_.version < KERNEL_VERSION(5, 0, 0)) {
23*4882a593Smuzhiyun 		LOG(V4L2, Error)
24*4882a593Smuzhiyun 			<< "V4L2 API v" << (caps_.version >> 16)
25*4882a593Smuzhiyun@@ -591,6 +592,7 @@ int V4L2VideoDevice::open()
26*4882a593Smuzhiyun 			<< " too old, v5.0.0 or later is required";
27*4882a593Smuzhiyun 		return -EINVAL;
28*4882a593Smuzhiyun 	}
29*4882a593Smuzhiyun+#endif
30*4882a593Smuzhiyun
31*4882a593Smuzhiyun 	if (!caps_.hasStreaming()) {
32*4882a593Smuzhiyun 		LOG(V4L2, Error) << "Device does not support streaming I/O";
33*4882a593Smuzhiyun--
34*4882a593Smuzhiyun2.20.1
35*4882a593Smuzhiyun
36