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ALSA: oxfw: add MIDI capture port for SCS.1 models 

This commit adds MIDI capture so that scs1x driver has.

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Sakamoto 2015-12-22 09:15:42 +09:00 committed by Takashi Iwai
parent 13b8b78c7f
commit 8250427dc1
1 changed files with 33 additions and 1 deletions
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34
sound/firewire/oxfw/oxfw-scs1x.c
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@ -106,6 +106,34 @@ static void handle_hss(struct fw_card *card, struct fw_request *request,
fw_send_response(card, request, rcode);
}
static int midi_capture_open(struct snd_rawmidi_substream *stream)
{
return 0;
}
static int midi_capture_close(struct snd_rawmidi_substream *stream)
{
return 0;
}
static void midi_capture_trigger(struct snd_rawmidi_substream *stream, int up)
{
struct fw_scs1x *scs = stream->rmidi->private_data;
if (up) {
scs->input_escape_count = 0;
ACCESS_ONCE(scs->input) = stream;
} else {
ACCESS_ONCE(scs->input) = NULL;
}
}
static struct snd_rawmidi_ops midi_capture_ops = {
.open = midi_capture_open,
.close = midi_capture_close,
.trigger = midi_capture_trigger,
};
static int register_address(struct snd_oxfw *oxfw)
{
struct fw_scs1x *scs = oxfw->spec;
@ -154,7 +182,7 @@ int snd_oxfw_scs1x_add(struct snd_oxfw *oxfw)
goto err_allocated;
/* Use unique name for backward compatibility to scs1x module. */
err = snd_rawmidi_new(oxfw->card, "SCS.1x", 0, 0, 0, &rmidi);
err = snd_rawmidi_new(oxfw->card, "SCS.1x", 0, 0, 1, &rmidi);
if (err < 0)
goto err_allocated;
rmidi->private_data = scs;
@ -163,6 +191,10 @@ int snd_oxfw_scs1x_add(struct snd_oxfw *oxfw)
snprintf(rmidi->name, sizeof(rmidi->name),
"%s MIDI", oxfw->card->shortname);
rmidi->info_flags = SNDRV_RAWMIDI_INFO_INPUT;
snd_rawmidi_set_ops(rmidi, SNDRV_RAWMIDI_STREAM_INPUT,
&midi_capture_ops);
return 0;
err_allocated:
fw_core_remove_address_handler(&scs->hss_handler);