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authorJohn S. Gruber <JohnSGruber@gmail.com>2009-12-27 12:19:59 -0500
committerTakashi Iwai <tiwai@suse.de>2009-12-28 12:30:57 +0100
commit52a7a5835173af61b9f6c3038212370d9717526f (patch)
tree4417f296d3e5a115b7111a2ab5b288df32416169 /sound/usb/usbaudio.c
parent98e89f606c38a310a20342f90e0c453e6afadf18 (diff)
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ALSA: usb-audio: use usbquirk.h for detection of HVR-950Q/850
Detect the HVR-950Q HVR-850 urb data alignment quirk using usbquirk.h rather than using a case statement in snd_usb_audio_probe. Signed-off-by: John S. Gruber <JohnSGruber@gmail.com> Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/usb/usbaudio.c')
-rw-r--r--sound/usb/usbaudio.c30
1 files changed, 15 insertions, 15 deletions
diff --git a/sound/usb/usbaudio.c b/sound/usb/usbaudio.c
index 617515f6ec7b..4ada98e16309 100644
--- a/sound/usb/usbaudio.c
+++ b/sound/usb/usbaudio.c
@@ -3203,6 +3203,18 @@ static int ignore_interface_quirk(struct snd_usb_audio *chip,
return 0;
}
+/*
+ * Allow alignment on audio sub-slot (channel samples) rather than
+ * on audio slots (audio frames)
+ */
+static int create_align_transfer_quirk(struct snd_usb_audio *chip,
+ struct usb_interface *iface,
+ const struct snd_usb_audio_quirk *quirk)
+{
+ chip->txfr_quirk = 1;
+ return 1; /* Continue with creating streams and mixer */
+}
+
/*
* boot quirks
@@ -3377,7 +3389,8 @@ static int snd_usb_create_quirk(struct snd_usb_audio *chip,
[QUIRK_AUDIO_STANDARD_INTERFACE] = create_standard_audio_quirk,
[QUIRK_AUDIO_FIXED_ENDPOINT] = create_fixed_stream_quirk,
[QUIRK_AUDIO_EDIROL_UA1000] = create_ua1000_quirk,
- [QUIRK_AUDIO_EDIROL_UAXX] = create_uaxx_quirk
+ [QUIRK_AUDIO_EDIROL_UAXX] = create_uaxx_quirk,
+ [QUIRK_AUDIO_ALIGN_TRANSFER] = create_align_transfer_quirk
};
if (quirk->type < QUIRK_TYPE_COUNT) {
@@ -3631,20 +3644,7 @@ static void *snd_usb_audio_probe(struct usb_device *dev,
}
}
- switch (chip->usb_id) {
- case USB_ID(0x2040, 0x7200): /* Hauppage hvr950Q */
- case USB_ID(0x2040, 0x7221): /* Hauppage hvr950Q */
- case USB_ID(0x2040, 0x7222): /* Hauppage hvr950Q */
- case USB_ID(0x2040, 0x7223): /* Hauppage hvr950Q */
- case USB_ID(0x2040, 0x7224): /* Hauppage hvr950Q */
- case USB_ID(0x2040, 0x7225): /* Hauppage hvr950Q */
- case USB_ID(0x2040, 0x7230): /* Hauppage hvr850 */
- case USB_ID(0x2040, 0x7250): /* Hauppage hvr950Q */
- chip->txfr_quirk = 1;
- break;
- default:
- chip->txfr_quirk = 0;
- }
+ chip->txfr_quirk = 0;
err = 1; /* continue */
if (quirk && quirk->ifnum != QUIRK_NO_INTERFACE) {
/* need some special handlings */