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ALSA: rawmidi - Use workq for event handling

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Kill tasklet usage in rawmidi core code.  Use workq for the event callback
instead of tasklet (which is used only in core/seq/seq_midi.c).

Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Iwai
2011-06-14 14:37:06 +02:00
parent 30bdee0259
commit b3c705aa9e
2 changed files with 14 additions and 27 deletions
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4
include/sound/rawmidi.h
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@@ -27,6 +27,7 @@
#include <linux/spinlock.h>
#include <linux/wait.h>
#include <linux/mutex.h>
#include <linux/workqueue.h>
#if defined(CONFIG_SND_SEQUENCER) || defined(CONFIG_SND_SEQUENCER_MODULE)
#include "seq_device.h"
@@ -63,6 +64,7 @@ struct snd_rawmidi_global_ops {
};
struct snd_rawmidi_runtime {
struct snd_rawmidi_substream *substream;
unsigned int drain: 1, /* drain stage */
oss: 1; /* OSS compatible mode */
/* midi stream buffer */
@@ -79,7 +81,7 @@ struct snd_rawmidi_runtime {
/* event handler (new bytes, input only) */
void (*event)(struct snd_rawmidi_substream *substream);
/* defers calls to event [input] or ops->trigger [output] */
struct tasklet_struct tasklet;
struct work_struct event_work;
/* private data */
void *private_data;
void (*private_free)(struct snd_rawmidi_substream *substream);