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-rw-r--r--sound/core/jack.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/sound/core/jack.c b/sound/core/jack.c
index 471e1e3b0a99..a06b1651fcba 100644
--- a/sound/core/jack.c
+++ b/sound/core/jack.c
@@ -155,7 +155,7 @@ EXPORT_SYMBOL(snd_jack_new);
* @jack: The jack to configure
* @parent: The device to set as parent for the jack.
*
- * Set the parent for the jack input device in the device tree. This
+ * Set the parent for the jack devices in the device tree. This
* function is only valid prior to registration of the jack. If no
* parent is configured then the parent device will be the sound card.
*/
@@ -179,6 +179,9 @@ EXPORT_SYMBOL(snd_jack_set_parent);
* mapping is provided but keys are enabled in the jack type then
* BTN_n numeric buttons will be reported.
*
+ * If jacks are not reporting via the input API this call will have no
+ * effect.
+ *
* Note that this is intended to be use by simple devices with small
* numbers of keys that can be reported. It is also possible to
* access the input device directly - devices with complex input