[PATCH 4.11 43/78] ALSA: usb-audio: fix Amanero Combo384 quirk on big-endian hosts

Greg Kroah-Hartman
2017-06-19T15:24:49Z

From: Johan Hovold <johan@kernel.org>

commit f83914fdfcc3ecb62a5a83eeb609ff59a9c2052d upstream.

Add missing endianness conversion when using the USB device-descriptor
bcdDevice field when applying the Amanero Combo384 (endianness!) quirk.

Fixes: 3eff682d765b ("ALSA: usb-audio: Support both DSD LE/BE Amanero firmware versions")
Cc: Jussi Laako <jussi@sonarnerd.net>
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
sound/usb/quirks.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

--- a/sound/usb/quirks.c
+++ b/sound/usb/quirks.c
@@ -1364,7 +1364,7 @@ u64 snd_usb_interface_dsd_format_quirks(
/* Amanero Combo384 USB interface with native DSD support */
case USB_ID(0x16d0, 0x071a):
if (fp->altsetting == 2) {
- switch (chip->dev->descriptor.bcdDevice) {
+ switch (le16_to_cpu(chip->dev->descriptor.bcdDevice)) {
case 0x199:
return SNDRV_PCM_FMTBIT_DSD_U32_LE;
case 0x19b: