ALSA: usb: scarless_gen2: fix endianness issue

Fix Sparse warning:

sound/usb/mixer_scarlett_gen2.c:1949:24: warning: cast to restricted
__le32

Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://lore.kernel.org/r/20200902212133.30964-13-pierre-louis.bossart@linux.intel.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>

diff --git a/sound/usb/mixer_scarlett_gen2.c b/sound/usb/mixer_scarlett_gen2.c
index 0ffff7640892af689ab6827cf4af3312454aa327..d33df146d6cebc991273cf7e43118051309a904d 100644 (file)
--- a/sound/usb/mixer_scarlett_gen2.c
+++ b/sound/usb/mixer_scarlett_gen2.c
@@ -1946,7 +1946,7 @@ static void scarlett2_mixer_interrupt(struct urb *urb)
                goto requeue;
 
        if (len == 8) {
-               data = le32_to_cpu(*(u32 *)urb->transfer_buffer);
+               data = le32_to_cpu(*(__le32 *)urb->transfer_buffer);
                if (data & SCARLETT2_USB_INTERRUPT_VOL_CHANGE)
                        scarlett2_mixer_interrupt_vol_change(mixer);
                if (data & SCARLETT2_USB_INTERRUPT_BUTTON_CHANGE)