tree fb09d01b0499451e258a71e9a05246c1e08ea301
parent f38275fe994c333b809796230f4f98090f8d919b
author Clemens Ladisch <[EMAIL PROTECTED]> Mon, 25 Jul 2005 16:19:10 +0200
committer Jaroslav Kysela <[EMAIL PROTECTED]> Thu, 28 Jul 2005 12:22:41 +0200
[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 <[EMAIL PROTECTED]>
sound/usb/usbaudio.c | 59 +++++++++++++++++++++++++++++----------------------
sound/usb/usbaudio.h | 35 ++++++++++++++++--------------
2 files changed, 53 insertions(+), 41 deletions(-)
diff --git a/sound/usb/usbaudio.c b/sound/usb/usbaudio.c
--- a/sound/usb/usbaudio.c
+++ b/sound/usb/usbaudio.c
@@ -2735,7 +2735,8 @@ static int create_standard_interface_qui
* to detect the sample rate is by looking at wMaxPacketSize.
*/
static int create_ua700_ua25_quirk(snd_usb_audio_t *chip,
- struct usb_interface *iface)
+ struct usb_interface *iface,
+ const snd_usb_audio_quirk_t *quirk)
{
static const struct audioformat ua_format = {
.format = SNDRV_PCM_FORMAT_S24_3LE,
@@ -2826,7 +2827,9 @@ static int create_ua700_ua25_quirk(snd_u
/*
* Create a stream for an Edirol UA-1000 interface.
*/
-static int create_ua1000_quirk(snd_usb_audio_t *chip, struct usb_interface
*iface)
+static int create_ua1000_quirk(snd_usb_audio_t *chip,
+ struct usb_interface *iface,
+ const snd_usb_audio_quirk_t *quirk)
{
static const struct audioformat ua1000_format = {
.format = SNDRV_PCM_FORMAT_S32_LE,
@@ -2903,6 +2906,13 @@ static int create_composite_quirk(snd_us
return 0;
}
+static int ignore_interface_quirk(snd_usb_audio_t *chip,
+ struct usb_interface *iface,
+ const snd_usb_audio_quirk_t *quirk)
+{
+ return 0;
+}
+
/*
* boot quirks
@@ -2965,29 +2975,28 @@ static int snd_usb_create_quirk(snd_usb_
struct usb_interface *iface,
const snd_usb_audio_quirk_t *quirk)
{
- switch (quirk->type) {
- case QUIRK_MIDI_FIXED_ENDPOINT:
- case QUIRK_MIDI_YAMAHA:
- case QUIRK_MIDI_MIDIMAN:
- case QUIRK_MIDI_NOVATION:
- case QUIRK_MIDI_RAW:
- case QUIRK_MIDI_EMAGIC:
- case QUIRK_MIDI_MIDITECH:
- return snd_usb_create_midi_interface(chip, iface, quirk);
- case QUIRK_COMPOSITE:
- return create_composite_quirk(chip, iface, quirk);
- case QUIRK_AUDIO_FIXED_ENDPOINT:
- return create_fixed_stream_quirk(chip, iface, quirk);
- case QUIRK_AUDIO_STANDARD_INTERFACE:
- case QUIRK_MIDI_STANDARD_INTERFACE:
- return create_standard_interface_quirk(chip, iface, quirk);
- case QUIRK_AUDIO_EDIROL_UA700_UA25:
- return create_ua700_ua25_quirk(chip, iface);
- case QUIRK_AUDIO_EDIROL_UA1000:
- return create_ua1000_quirk(chip, iface);
- case QUIRK_IGNORE_INTERFACE:
- return 0;
- default:
+ typedef int (*quirk_func_t)(snd_usb_audio_t *, struct usb_interface *,
+ const snd_usb_audio_quirk_t *);
+ static const quirk_func_t quirk_funcs[] = {
+ [QUIRK_IGNORE_INTERFACE] = ignore_interface_quirk,
+ [QUIRK_COMPOSITE] = create_composite_quirk,
+ [QUIRK_MIDI_STANDARD_INTERFACE] = snd_usb_create_midi_interface,
+ [QUIRK_MIDI_FIXED_ENDPOINT] = snd_usb_create_midi_interface,
+ [QUIRK_MIDI_YAMAHA] = snd_usb_create_midi_interface,
+ [QUIRK_MIDI_MIDIMAN] = snd_usb_create_midi_interface,
+ [QUIRK_MIDI_NOVATION] = snd_usb_create_midi_interface,
+ [QUIRK_MIDI_RAW] = snd_usb_create_midi_interface,
+ [QUIRK_MIDI_EMAGIC] = snd_usb_create_midi_interface,
+ [QUIRK_MIDI_MIDITECH] = snd_usb_create_midi_interface,
+ [QUIRK_AUDIO_STANDARD_INTERFACE] =
create_standard_interface_quirk,
+ [QUIRK_AUDIO_FIXED_ENDPOINT] = create_fixed_stream_quirk,
+ [QUIRK_AUDIO_EDIROL_UA700_UA25] = create_ua700_ua25_quirk,
+ [QUIRK_AUDIO_EDIROL_UA1000] = create_ua1000_quirk,
+ };
+
+ if (quirk->type < QUIRK_TYPE_COUNT) {
+ return quirk_funcs[quirk->type](chip, iface, quirk);
+ } else {
snd_printd(KERN_ERR "invalid quirk type %d\n", quirk->type);
return -ENXIO;
}
diff --git a/sound/usb/usbaudio.h b/sound/usb/usbaudio.h
--- 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;
};
-
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