Changeset d1f144a in mainline

Timestamp:

2013-04-11T18:16:30Z (12 years ago)

Author:

Jan Vesely <jano.vesely@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

bee5349

Parents:

250828a

Message:

hound: disallow format change while running

File:

• uspace/srv/audio/hound/audio_device.c (modified) (2 diffs)

uspace/srv/audio/hound/audio_device.c

@@ -56 +56 @@
 static int release_buffer(audio_device_t *dev);
 static void fill_buffer(audio_device_t *dev, size_t size);
+static inline bool is_running(audio_device_t *dev)
+{
+        assert(dev);
+        /* we release buffer on stop so this should be enough */
+        return (bool)dev->buffer.base;
+}
 
 /**
@@ -305 +311 @@
         audio_device_t *dev = sink->private_data;
         assert(dev);
+        /* Check whether we are running */
+        if (is_running(dev))
+                return EBUSY;
         log_verbose("Checking format on sink %s", sink->name);
         return audio_pcm_test_format(dev->sess, &sink->format.channels,