ALSA: usb: fcp: Fix meter_levels type to __le32

The cached level meter values are returned from the USB core as
__le32, hence declare properly.

Fixes: 46757a3e7d50 ("ALSA: FCP: Add Focusrite Control Protocol driver")
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202501212331.SaePSmsA-lkp@intel.com/
Link: https://patch.msgid.link/20250121170032.7236-2-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>

diff --git a/sound/usb/fcp.c b/sound/usb/fcp.c
index ecdd18335ab79c63e76d0aa0e14fb45763a32db5..92e3caab0b826e755102ef5c9cd94feb0aebedff 100644 (file)
--- a/sound/usb/fcp.c
+++ b/sound/usb/fcp.c
@@ -100,7 +100,7 @@ struct fcp_data {
 
        u8                   num_meter_slots;
        s16                 *meter_level_map;
-       u32                 *meter_levels;
+       __le32              *meter_levels;
        struct snd_kcontrol *meter_ctl;
 
        unsigned int *meter_labels_tlv;
@@ -383,7 +383,7 @@ static int fcp_meter_ctl_get(struct snd_kcontrol *kctl,
        struct usb_mixer_interface *mixer = elem->head.mixer;
        struct fcp_data *private = mixer->private_data;
        int num_meter_slots, resp_size;
-       u32 *resp = private->meter_levels;
+       __le32 *resp = private->meter_levels;
        int i, err = 0;
 
        struct {
@@ -655,7 +655,7 @@ static int fcp_ioctl_set_meter_map(struct usb_mixer_interface *mixer,
        /* If the control doesn't exist, create it */
        if (!private->meter_ctl) {
                s16 *new_map __free(kfree) = NULL;
-               u32 *meter_levels __free(kfree) = NULL;
+               __le32 *meter_levels __free(kfree) = NULL;
 
                /* Allocate buffer for the map */
                new_map = kmalloc_array(map.map_size, sizeof(s16), GFP_KERNEL);
@@ -663,7 +663,7 @@ static int fcp_ioctl_set_meter_map(struct usb_mixer_interface *mixer,
                        return -ENOMEM;
 
                /* Allocate buffer for reading meter levels */
-               meter_levels = kmalloc_array(map.meter_slots, sizeof(u32),
+               meter_levels = kmalloc_array(map.meter_slots, sizeof(__le32),
                                             GFP_KERNEL);
                if (!meter_levels)
                        return -ENOMEM;