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-rw-r--r--sound/usb/usbaudio.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/sound/usb/usbaudio.c b/sound/usb/usbaudio.c
index 78efcffce8d1..8ebc1adb5ed9 100644
--- a/sound/usb/usbaudio.c
+++ b/sound/usb/usbaudio.c
@@ -1878,10 +1878,11 @@ static int setup_hw_info(struct snd_pcm_runtime *runtime, struct snd_usb_substre
1878 } 1878 }
1879 1879
1880 /* set the period time minimum 1ms */ 1880 /* set the period time minimum 1ms */
1881 /* FIXME: high-speed mode allows 125us minimum period, but many parts
1882 * in the current code assume the 1ms period.
1883 */
1881 snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_PERIOD_TIME, 1884 snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_PERIOD_TIME,
1882 snd_usb_get_speed(subs->dev) == USB_SPEED_FULL ? 1885 1000 * MIN_PACKS_URB,
1883
1884 1000 * MIN_PACKS_URB : 125 * MIN_PACKS_URB,
1885 /*(nrpacks * MAX_URBS) * 1000*/ UINT_MAX); 1886 /*(nrpacks * MAX_URBS) * 1000*/ UINT_MAX);
1886 1887
1887 if (check_hw_params_convention(subs)) { 1888 if (check_hw_params_convention(subs)) {