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ALSA: fireface: add model specific structure

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RME Fireface series has several models and their specifications are
different. Currently, we find no way to retrieve the specifications
from actual devices and need to implement them in this driver.

This commit adds a structure to describe model specific data. This
structure has an identical name for each unit, and maximum number of
data channels in each mode. I'll describe about the mode in following
commits.

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Sakamoto 2017-03-31 22:06:01 +09:00 committed by Takashi Iwai
parent 324540c4e0
commit ed90f91a17
2 changed files with 19 additions and 4 deletions
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9
sound/firewire/fireface/ff.c
View File

@ -17,13 +17,12 @@ MODULE_LICENSE("GPL v2");
static void name_card(struct snd_ff *ff)
{
struct fw_device *fw_dev = fw_parent_device(ff->unit);
const char *const model = "Fireface Skeleton";
strcpy(ff->card->driver, "Fireface");
strcpy(ff->card->shortname, model);
strcpy(ff->card->mixername, model);
strcpy(ff->card->shortname, ff->spec->name);
strcpy(ff->card->mixername, ff->spec->name);
snprintf(ff->card->longname, sizeof(ff->card->longname),
"RME %s, GUID %08x%08x at %s, S%d", model,
"RME %s, GUID %08x%08x at %s, S%d", ff->spec->name,
fw_dev->config_rom[3], fw_dev->config_rom[4],
dev_name(&ff->unit->device), 100 << fw_dev->max_speed);
}
@ -86,6 +85,8 @@ static int snd_ff_probe(struct fw_unit *unit,
mutex_init(&ff->mutex);
ff->spec = (const struct snd_ff_spec *)entry->driver_data;
/* Register this sound card later. */
INIT_DEFERRABLE_WORK(&ff->dwork, do_registration);
snd_fw_schedule_registration(unit, &ff->dwork);

14
sound/firewire/fireface/ff.h
View File

@ -22,6 +22,18 @@
#include "../lib.h"
#define SND_FF_STREAM_MODES 3
struct snd_ff_spec {
const char *const name;
const unsigned int pcm_capture_channels[SND_FF_STREAM_MODES];
const unsigned int pcm_playback_channels[SND_FF_STREAM_MODES];
unsigned int midi_in_ports;
unsigned int midi_out_ports;
};
struct snd_ff {
struct snd_card *card;
struct fw_unit *unit;
@ -29,5 +41,7 @@ struct snd_ff {
bool registered;
struct delayed_work dwork;
const struct snd_ff_spec *spec;
};
#endif