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ALSA: oxfw: calculating MIDI ports in stream discover 

Current OXFW driver calculates the number of MIDI ports just before adding
ALSA MIDI ports. It's convenient for some devices with quirks to move
these codes before handling quirks.

This commit implements this idea.

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Sakamoto 2015-10-18 17:09:38 +09:00 committed by Takashi Iwai
parent 56b1c72a75
commit 3205604101
2 changed files with 36 additions and 21 deletions
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22
sound/firewire/oxfw/oxfw-midi.c
View File

@ -142,29 +142,11 @@ static void set_midi_substream_names(struct snd_oxfw *oxfw,
int snd_oxfw_create_midi(struct snd_oxfw *oxfw)
{
struct snd_oxfw_stream_formation formation;
struct snd_rawmidi *rmidi;
struct snd_rawmidi_str *str;
u8 *format;
int i, err;
int err;
/* If its stream has MIDI conformant data channel, add one MIDI port */
for (i = 0; i < SND_OXFW_STREAM_FORMAT_ENTRIES; i++) {
format = oxfw->tx_stream_formats[i];
if (format != NULL) {
err = snd_oxfw_stream_parse_format(format, &formation);
if (err >= 0 && formation.midi > 0)
oxfw->midi_input_ports = 1;
}
format = oxfw->rx_stream_formats[i];
if (format != NULL) {
err = snd_oxfw_stream_parse_format(format, &formation);
if (err >= 0 && formation.midi > 0)
oxfw->midi_output_ports = 1;
}
}
if ((oxfw->midi_input_ports == 0) && (oxfw->midi_output_ports == 0))
if (oxfw->midi_input_ports == 0 && oxfw->midi_output_ports == 0)
return 0;
/* create midi ports */

35
sound/firewire/oxfw/oxfw-stream.c
View File

@ -629,6 +629,9 @@ end:
int snd_oxfw_stream_discover(struct snd_oxfw *oxfw)
{
u8 plugs[AVC_PLUG_INFO_BUF_BYTES];
struct snd_oxfw_stream_formation formation;
u8 *format;
unsigned int i;
int err;
/* the number of plugs for isoc in/out, ext in/out */
@ -648,12 +651,42 @@ int snd_oxfw_stream_discover(struct snd_oxfw *oxfw)
err = fill_stream_formats(oxfw, AVC_GENERAL_PLUG_DIR_OUT, 0);
if (err < 0)
goto end;
for (i = 0; i < SND_OXFW_STREAM_FORMAT_ENTRIES; i++) {
format = oxfw->tx_stream_formats[i];
if (format == NULL)
continue;
err = snd_oxfw_stream_parse_format(format, &formation);
if (err < 0)
continue;
/* Add one MIDI port. */
if (formation.midi > 0)
oxfw->midi_input_ports = 1;
}
oxfw->has_output = true;
}
/* use iPCR[0] if exists */
if (plugs[0] > 0)
if (plugs[0] > 0) {
err = fill_stream_formats(oxfw, AVC_GENERAL_PLUG_DIR_IN, 0);
if (err < 0)
goto end;
for (i = 0; i < SND_OXFW_STREAM_FORMAT_ENTRIES; i++) {
format = oxfw->rx_stream_formats[i];
if (format == NULL)
continue;
err = snd_oxfw_stream_parse_format(format, &formation);
if (err < 0)
continue;
/* Add one MIDI port. */
if (formation.midi > 0)
oxfw->midi_output_ports = 1;
}
}
end:
return err;
}