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Diffstat (limited to 'sound/usb')
-rw-r--r--sound/usb/clock.c12
1 files changed, 8 insertions, 4 deletions
diff --git a/sound/usb/clock.c b/sound/usb/clock.c
index 3c435d379306..33db334e6556 100644
--- a/sound/usb/clock.c
+++ b/sound/usb/clock.c
@@ -573,10 +573,14 @@ static int set_sample_rate_v2v3(struct snd_usb_audio *chip,
}
/* FIXME - TEAC devices require the immediate interface setup */
- if (rate != prev_rate && USB_ID_VENDOR(chip->usb_id) == 0x0644) {
- usb_set_interface(chip->dev, fmt->iface, fmt->altsetting);
- if (chip->quirk_flags & QUIRK_FLAG_IFACE_DELAY)
- msleep(50);
+ if (USB_ID_VENDOR(chip->usb_id) == 0x0644) {
+ bool cur_base_48k = (rate % 48000 == 0);
+ bool prev_base_48k = (prev_rate % 48000 == 0);
+ if (cur_base_48k != prev_base_48k) {
+ usb_set_interface(chip->dev, fmt->iface, fmt->altsetting);
+ if (chip->quirk_flags & QUIRK_FLAG_IFACE_DELAY)
+ msleep(50);
+ }
}
validation: