[ALSA] Add MPU401_INFO_NO_ACK bitflag

Added MPU401_INFO_NO_ACK bitflag to ignore the ACK check for UART
commands.  VT172x doesn't handle ACK commands, for example.

Tested-by: Pavel Hofman <pavel.hofman@insite.cz>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

1 files changed, 1 insertions, 0 deletions

diff --git a/sound/pci/ice1712/ice1724.c b/sound/pci/ice1712/ice1724.c
index 4490422fb93..681fbbd8a5c 100644
--- a/sound/pci/ice1712/ice1724.c
+++ b/sound/pci/ice1712/ice1724.c
@@ -2429,6 +2429,7 @@ static int __devinit snd_vt1724_probe(struct pci_dev *pci,
                         if ((err = snd_mpu401_uart_new(card, 0, MPU401_HW_ICE1712,
                                                        ICEREG1724(ice, MPU_CTRL),
                                                        (MPU401_INFO_INTEGRATED |
+                                                        MPU401_INFO_NO_ACK |
                                                         MPU401_INFO_TX_IRQ),
                                                        ice->irq, 0,
                                                        &ice->rmidi[0])) < 0) {