ALSA: jack: lineout support to jack abstraction layer

This patch introduces support for reporting SW_LINEOUT_INSERT detection events
via the jack abstraction layer.

Also adds a SND_JACK_LINEOUT define to the input system header.

Signed-off-by: Matthew Ranostay <mranostay@embeddedalley.com>
Cc: Dmitry Torokhov <dtor@mail.ru>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
diff --git a/sound/core/jack.c b/sound/core/jack.c
index 8133a2b..c4bb9ba 100644
--- a/sound/core/jack.c
+++ b/sound/core/jack.c
@@ -102,6 +102,9 @@
 	if (type & SND_JACK_HEADPHONE)
 		input_set_capability(jack->input_dev, EV_SW,
 				     SW_HEADPHONE_INSERT);
+	if (type & SND_JACK_LINEOUT)
+		input_set_capability(jack->input_dev, EV_SW,
+				     SW_LINEOUT_INSERT);
 	if (type & SND_JACK_MICROPHONE)
 		input_set_capability(jack->input_dev, EV_SW,
 				     SW_MICROPHONE_INSERT);
@@ -150,6 +153,9 @@
 	if (jack->type & SND_JACK_HEADPHONE)
 		input_report_switch(jack->input_dev, SW_HEADPHONE_INSERT,
 				    status & SND_JACK_HEADPHONE);
+	if (jack->type & SND_JACK_LINEOUT)
+		input_report_switch(jack->input_dev, SW_LINEOUT_INSERT,
+				    status & SND_JACK_LINEOUT);
 	if (jack->type & SND_JACK_MICROPHONE)
 		input_report_switch(jack->input_dev, SW_MICROPHONE_INSERT,
 				    status & SND_JACK_MICROPHONE);