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-rw-r--r--include/sound/jack.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/include/sound/jack.h b/include/sound/jack.h
index 2e0315c..85266a2 100644
--- a/include/sound/jack.h
+++ b/include/sound/jack.h
@@ -30,6 +30,9 @@ struct input_dev;
/**
* Jack types which can be reported. These values are used as a
* bitmask.
+ *
+ * Note that this must be kept in sync with the lookup table in
+ * sound/core/jack.c.
*/
enum snd_jack_types {
SND_JACK_HEADPHONE = 0x0001,