[PATCH 4/6] ALSA: fireface: code refactoring to decide name of sound card

[Takashi Sakamoto <o-takashi@xxxxxxxxxxxxx>]

This commit uses enumeration constants as index of table for the
list of name of sound card.

Signed-off-by: Takashi Sakamoto <o-takashi@xxxxxxxxxxxxx>
---
 sound/firewire/fireface/ff.c | 18 ++++++++++++------
 sound/firewire/fireface/ff.h |  3 +--
 2 files changed, 13 insertions(+), 8 deletions(-)

diff --git a/sound/firewire/fireface/ff.c b/sound/firewire/fireface/ff.c
index b295e40a425d..dd3cd25f2e3b 100644
--- a/sound/firewire/fireface/ff.c
+++ b/sound/firewire/fireface/ff.c
@@ -16,12 +16,20 @@ 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 names[] = {
+		[SND_FF_UNIT_VERSION_FF800]	= "Fireface800",
+		[SND_FF_UNIT_VERSION_FF400]	= "Fireface400",
+		[SND_FF_UNIT_VERSION_UCX]	= "FirefaceUCX",
+	};
+	const char *name;
+
+	name = names[ff->unit_version];
 
 	strcpy(ff->card->driver, "Fireface");
-	strcpy(ff->card->shortname, ff->spec->name);
-	strcpy(ff->card->mixername, ff->spec->name);
+	strcpy(ff->card->shortname, name);
+	strcpy(ff->card->mixername, name);
 	snprintf(ff->card->longname, sizeof(ff->card->longname),
-		 "RME %s, GUID %08x%08x at %s, S%d", ff->spec->name,
+		 "RME %s, GUID %08x%08x at %s, S%d", name,
 		 fw_dev->config_rom[3], fw_dev->config_rom[4],
 		 dev_name(&ff->unit->device), 100 << fw_dev->max_speed);
 }
@@ -101,6 +109,7 @@ static int snd_ff_probe(struct fw_unit *unit,
 	spin_lock_init(&ff->lock);
 	init_waitqueue_head(&ff->hwdep_wait);
 
+	ff->unit_version = entry->version;
 	ff->spec = (const struct snd_ff_spec *)entry->driver_data;
 
 	/* Register this sound card later. */
@@ -145,7 +154,6 @@ static void snd_ff_remove(struct fw_unit *unit)
 }
 
 static const struct snd_ff_spec spec_ff800 = {
-	.name = "Fireface800",
 	.pcm_capture_channels = {28, 20, 12},
 	.pcm_playback_channels = {28, 20, 12},
 	.midi_in_ports = 1,
@@ -157,7 +165,6 @@ static const struct snd_ff_spec spec_ff800 = {
 };
 
 static const struct snd_ff_spec spec_ff400 = {
-	.name = "Fireface400",
 	.pcm_capture_channels = {18, 14, 10},
 	.pcm_playback_channels = {18, 14, 10},
 	.midi_in_ports = 2,
@@ -169,7 +176,6 @@ static const struct snd_ff_spec spec_ff400 = {
 };
 
 static const struct snd_ff_spec spec_ucx = {
-	.name = "FirefaceUCX",
 	.pcm_capture_channels = {18, 14, 12},
 	.pcm_playback_channels = {18, 14, 12},
 	.midi_in_ports = 2,
diff --git a/sound/firewire/fireface/ff.h b/sound/firewire/fireface/ff.h
index 62ad921c3706..0c4fe7cff84d 100644
--- a/sound/firewire/fireface/ff.h
+++ b/sound/firewire/fireface/ff.h
@@ -49,8 +49,6 @@ enum snd_ff_stream_mode {
 
 struct snd_ff_protocol;
 struct snd_ff_spec {
-	const char *const name;
-
 	const unsigned int pcm_capture_channels[SND_FF_STREAM_MODE_COUNT];
 	const unsigned int pcm_playback_channels[SND_FF_STREAM_MODE_COUNT];
 
@@ -72,6 +70,7 @@ struct snd_ff {
 	bool registered;
 	struct delayed_work dwork;
 
+	enum snd_ff_unit_version unit_version;
 	const struct snd_ff_spec *spec;
 
 	/* To handle MIDI tx. */
-- 
2.25.1