[ALSA] add more sequencer port type information bits

Add four new information flags SNDRV_SEQ_PORT_TYPE_HARDWARE, _SOFTWARE,
_SYNTHESIZER, _PORT for sequencer ports.  This makes it easier for apps
like Rosegarden to make policy decisions based on the port type.

Signed-off-by: Clemens Ladisch <clemens@ladisch.de>

1 files changed, 4 insertions, 0 deletions

diff --git a/include/sound/asequencer.h b/include/sound/asequencer.h
index 6691e4aa4ea7..3f2f4042a20d 100644
--- a/include/sound/asequencer.h
+++ b/include/sound/asequencer.h
@@ -605,6 +605,10 @@ struct snd_seq_remove_events {
 #define SNDRV_SEQ_PORT_TYPE_DIRECT_SAMPLE (1<<11)       /* Sampling device (support sample download) */
 #define SNDRV_SEQ_PORT_TYPE_SAMPLE      (1<<12) /* Sampling device (sample can be downloaded at any time) */
 /*...*/
+#define SNDRV_SEQ_PORT_TYPE_HARDWARE    (1<<16) /* driver for a hardware device */
+#define SNDRV_SEQ_PORT_TYPE_SOFTWARE    (1<<17) /* implemented in software */
+#define SNDRV_SEQ_PORT_TYPE_SYNTHESIZER (1<<18) /* generates sound */
+#define SNDRV_SEQ_PORT_TYPE_PORT        (1<<19) /* connects to other device(s) */
 #define SNDRV_SEQ_PORT_TYPE_APPLICATION (1<<20) /* application (sequencer/editor) */
 
 /* misc. conditioning flags */