[ALSA] usb-audio - change quirk type handling

USB generic driver
Make the quirk type an enum instead of a #defined integer, and use a
table for the quirk constructor functions instead of a big switch
statement.

Signed-off-by: Clemens Ladisch <clemens@ladisch.de>

1 files changed, 19 insertions, 16 deletions

diff --git a/sound/usb/usbaudio.h b/sound/usb/usbaudio.h
index c1415f4b6004..ad9eab211d8f 100644
--- a/sound/usb/usbaudio.h
+++ b/sound/usb/usbaudio.h
@@ -153,21 +153,24 @@ struct snd_usb_audio {
 #define QUIRK_NO_INTERFACE              -2
 #define QUIRK_ANY_INTERFACE             -1
 
-/* quirk type */
-#define QUIRK_MIDI_FIXED_ENDPOINT       0
-#define QUIRK_MIDI_YAMAHA               1
-#define QUIRK_MIDI_MIDIMAN              2
-#define QUIRK_COMPOSITE                 3
-#define QUIRK_AUDIO_FIXED_ENDPOINT      4
-#define QUIRK_AUDIO_STANDARD_INTERFACE  5
-#define QUIRK_MIDI_STANDARD_INTERFACE   6
-#define QUIRK_AUDIO_EDIROL_UA700_UA25   7
-#define QUIRK_AUDIO_EDIROL_UA1000       8
-#define QUIRK_IGNORE_INTERFACE          9
-#define QUIRK_MIDI_NOVATION             10
-#define QUIRK_MIDI_RAW                  11
-#define QUIRK_MIDI_EMAGIC               12
-#define QUIRK_MIDI_MIDITECH             13
+enum quirk_type {
+        QUIRK_IGNORE_INTERFACE,
+        QUIRK_COMPOSITE,
+        QUIRK_MIDI_STANDARD_INTERFACE,
+        QUIRK_MIDI_FIXED_ENDPOINT,
+        QUIRK_MIDI_YAMAHA,
+        QUIRK_MIDI_MIDIMAN,
+        QUIRK_MIDI_NOVATION,
+        QUIRK_MIDI_RAW,
+        QUIRK_MIDI_EMAGIC,
+        QUIRK_MIDI_MIDITECH,
+        QUIRK_AUDIO_STANDARD_INTERFACE,
+        QUIRK_AUDIO_FIXED_ENDPOINT,
+        QUIRK_AUDIO_EDIROL_UA700_UA25,
+        QUIRK_AUDIO_EDIROL_UA1000,
+
+        QUIRK_TYPE_COUNT
+};
 
 typedef struct snd_usb_audio_quirk snd_usb_audio_quirk_t;
 typedef struct snd_usb_midi_endpoint_info snd_usb_midi_endpoint_info_t;
@@ -176,7 +179,7 @@ struct snd_usb_audio_quirk {
         const char *vendor_name;
         const char *product_name;
         int16_t ifnum;
-        int16_t type;
+        uint16_t type;
         const void *data;
 };