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-rw-r--r--include/uapi/linux/media.h26
1 files changed, 21 insertions, 5 deletions
diff --git a/include/uapi/linux/media.h b/include/uapi/linux/media.h
index 52cc2a6b19b7..4e816be3de39 100644
--- a/include/uapi/linux/media.h
+++ b/include/uapi/linux/media.h
@@ -91,6 +91,27 @@ struct media_entity_desc {
#if 1
/*
+ * TODO: this shouldn't have been added without
+ * actual drivers that use this. When the first real driver
+ * appears that sets this information, special attention
+ * should be given whether this information is 1) enough, and
+ * 2) can deal with udev rules that rename devices. The struct
+ * dev would not be sufficient for this since that does not
+ * contain the subdevice information. In addition, struct dev
+ * can only refer to a single device, and not to multiple (e.g.
+ * pcm and mixer devices).
+ *
+ * So for now mark this as a to do.
+ */
+ struct {
+ __u32 card;
+ __u32 device;
+ __u32 subdevice;
+ } alsa;
+#endif
+
+#if 1
+ /*
* DEPRECATED: previous node specifications. Kept just to
* avoid breaking compilation, but media_entity_desc.dev
* should be used instead. In particular, alsa and dvb
@@ -106,11 +127,6 @@ struct media_entity_desc {
__u32 major;
__u32 minor;
} fb;
- struct {
- __u32 card;
- __u32 device;
- __u32 subdevice;
- } alsa;
int dvb;
#endif
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