ALSA: usb-audio: silence a superfluous warning
It is not advisable to print a warning when a device does not support
setting the sample rate because this is perfectly valid for devices with
a single rate or where rates are implicitly changed by selecting another
alternate setting.
Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
diff --git a/sound/usb/clock.c b/sound/usb/clock.c
index 66bd157..b853f8d 100644
--- a/sound/usb/clock.c
+++ b/sound/usb/clock.c
@@ -204,11 +204,8 @@
ep = get_endpoint(alts, 0)->bEndpointAddress;
/* if endpoint doesn't have sampling rate control, bail out */
- if (!(fmt->attributes & UAC_EP_CS_ATTR_SAMPLE_RATE)) {
- snd_printk(KERN_WARNING "%d:%d:%d: endpoint lacks sample rate attribute bit, cannot set.\n",
- dev->devnum, iface, fmt->altsetting);
+ if (!(fmt->attributes & UAC_EP_CS_ATTR_SAMPLE_RATE))
return 0;
- }
data[0] = rate;
data[1] = rate >> 8;