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path: root/drivers/staging/line6/midi.c
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Diffstat (limited to 'drivers/staging/line6/midi.c')
-rw-r--r--drivers/staging/line6/midi.c13
1 files changed, 7 insertions, 6 deletions
diff --git a/drivers/staging/line6/midi.c b/drivers/staging/line6/midi.c
index e3f9a53dbd9..1ac343b649c 100644
--- a/drivers/staging/line6/midi.c
+++ b/drivers/staging/line6/midi.c
@@ -47,7 +47,7 @@ static void line6_midi_transmit(struct snd_rawmidi_substream *substream)
struct snd_line6_midi *line6midi = line6->line6midi;
struct midi_buffer *mb = &line6midi->midibuf_out;
unsigned long flags;
- unsigned char chunk[line6->max_packet_size];
+ unsigned char chunk[LINE6_FALLBACK_MAXPACKETSIZE];
int req, done;
spin_lock_irqsave(&line6->line6midi->midi_transmit_lock, flags);
@@ -64,7 +64,8 @@ static void line6_midi_transmit(struct snd_rawmidi_substream *substream)
}
for (;;) {
- done = line6_midibuf_read(mb, chunk, line6->max_packet_size);
+ done = line6_midibuf_read(mb, chunk,
+ LINE6_FALLBACK_MAXPACKETSIZE);
if (done == 0)
break;
@@ -144,7 +145,7 @@ static int send_midi_async(struct usb_line6 *line6, unsigned char *data,
if (retval < 0) {
dev_err(line6->ifcdev, "usb_submit_urb failed\n");
usb_free_urb(urb);
- return -EINVAL;
+ return retval;
}
++line6->line6midi->num_active_send_urbs;
@@ -182,6 +183,7 @@ static void line6_midi_output_drain(struct snd_rawmidi_substream *substream)
struct usb_line6 *line6 =
line6_rawmidi_substream_midi(substream)->line6;
struct snd_line6_midi *midi = line6->line6midi;
+
wait_event_interruptible(midi->send_wait,
midi->num_active_send_urbs == 0);
}
@@ -205,7 +207,7 @@ static void line6_midi_input_trigger(struct snd_rawmidi_substream *substream,
if (up)
line6->line6midi->substream_receive = substream;
else
- line6->line6midi->substream_receive = 0;
+ line6->line6midi->substream_receive = NULL;
}
static struct snd_rawmidi_ops line6_midi_output_ops = {
@@ -259,6 +261,7 @@ static int snd_line6_new_midi(struct snd_line6_midi *line6midi)
static int snd_line6_midi_free(struct snd_device *device)
{
struct snd_line6_midi *line6midi = device->device_data;
+
line6_midibuf_destroy(&line6midi->midibuf_in);
line6_midibuf_destroy(&line6midi->midibuf_out);
return 0;
@@ -307,8 +310,6 @@ int line6_init_midi(struct usb_line6 *line6)
if (err < 0)
return err;
- snd_card_set_dev(line6->card, line6->ifcdev);
-
err = snd_line6_new_midi(line6midi);
if (err < 0)
return err;