[ALSA] usb-audio - restrict Audigy 2 NX frequencies to 48/96 kHz
USB generic driver
On the SB Audigy 2 NX, frequency feedback doesn't quite work
when playing at 44.1 kHz, so temporarily disable this frequency.
Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
diff --git a/sound/usb/usbaudio.c b/sound/usb/usbaudio.c
index 08c5efc..e4b9104 100644
--- a/sound/usb/usbaudio.c
+++ b/sound/usb/usbaudio.c
@@ -2422,15 +2422,17 @@
if (err < 0)
return err;
#if 1
- /* FIXME: temporary hack for extigy */
+ /* FIXME: temporary hack for extigy/audigy 2 nx */
/* extigy apparently supports sample rates other than 48k
* but not in ordinary way. so we enable only 48k atm.
*/
if (le16_to_cpu(dev->descriptor.idVendor) == 0x041e &&
- le16_to_cpu(dev->descriptor.idProduct) == 0x3000) {
+ (le16_to_cpu(dev->descriptor.idProduct) == 0x3000 ||
+ le16_to_cpu(dev->descriptor.idProduct) == 0x3020)) {
if (fmt[3] == USB_FORMAT_TYPE_I &&
stream == SNDRV_PCM_STREAM_PLAYBACK &&
- fp->rates != SNDRV_PCM_RATE_48000)
+ fp->rates != SNDRV_PCM_RATE_48000 &&
+ fp->rates != SNDRV_PCM_RATE_96000)
return -1; /* use 48k only */
}
#endif