diff options
| author | Takashi Sakamoto <o-takashi@sakamocchi.jp> | 2014-12-08 18:10:49 +0300 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2014-12-10 12:50:00 +0300 |
| commit | 8985f4ac1c42bd25799f294f4e87fa73064673c7 (patch) | |
| tree | 04f57545162b29abfc8a6b0c2d2833721b4bcc78 /sound/firewire/oxfw/oxfw.c | |
| parent | 05588d340a128ff5c7b768c517150e31842a78aa (diff) | |
| download | linux-8985f4ac1c42bd25799f294f4e87fa73064673c7.tar.xz | |
ALSA: oxfw: Add hwdep interface
This interface is designed for mixer/control application. By using this
interface, an application can get information about firewire node, can
lock/unlock kernel streaming and can get notification at starting/stopping
kernel streaming.
Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Acked-by: Clemens Ladisch <clemens@ladisch.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/firewire/oxfw/oxfw.c')
| -rw-r--r-- | sound/firewire/oxfw/oxfw.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/sound/firewire/oxfw/oxfw.c b/sound/firewire/oxfw/oxfw.c index 9cfbfb168dac..cf1d0b55e827 100644 --- a/sound/firewire/oxfw/oxfw.c +++ b/sound/firewire/oxfw/oxfw.c @@ -139,6 +139,7 @@ static int oxfw_probe(struct fw_unit *unit, oxfw->unit = unit; oxfw->device_info = (const struct device_info *)id->driver_data; spin_lock_init(&oxfw->lock); + init_waitqueue_head(&oxfw->hwdep_wait); err = snd_oxfw_stream_discover(oxfw); if (err < 0) @@ -164,6 +165,10 @@ static int oxfw_probe(struct fw_unit *unit, if (err < 0) goto error; + err = snd_oxfw_create_hwdep(oxfw); + if (err < 0) + goto error; + err = snd_oxfw_stream_init_simplex(oxfw, &oxfw->rx_stream); if (err < 0) goto error; |