1 files changed, 1 insertions, 1 deletions

diff --git a/sound/drivers/mpu401/mpu401_uart.c b/sound/drivers/mpu401/mpu401_uart.c
index 18cca2457d44..2af09996a3d0 100644
--- a/sound/drivers/mpu401/mpu401_uart.c
+++ b/sound/drivers/mpu401/mpu401_uart.c
@@ -243,7 +243,7 @@ static int snd_mpu401_uart_cmd(struct snd_mpu401 * mpu, unsigned char cmd,
 #endif
         }
         mpu->write(mpu, cmd, MPU401C(mpu));
-        if (ack) {
+        if (ack && !(mpu->info_flags & MPU401_INFO_NO_ACK)) {
                 ok = 0;
                 timeout = 10000;
                 while (!ok && timeout-- > 0) {