ALSA: usb-audio: presonus s18xx uses little-endian

Use __le32 types for USB control transfers

Signed-off-by: fenugrec <fenugrec@mail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Link: https://patch.msgid.link/20260111-preso_clean1-v2-1-44b4e5129a75@mail.com

diff --git a/sound/usb/mixer_s1810c.c b/sound/usb/mixer_s1810c.c
index 6e09e074c0e7fa4045e2c9337443e33b2d7352dd..93510aa0dc5ef59842033a92efe87000f1106a77 100644 (file)
--- a/sound/usb/mixer_s1810c.c
+++ b/sound/usb/mixer_s1810c.c
@@ -82,13 +82,13 @@
  * mixer and output but a different set for device.
  */
 struct s1810c_ctl_packet {
-       u32 a;
-       u32 b;
-       u32 fixed1;
-       u32 fixed2;
-       u32 c;
-       u32 d;
-       u32 e;
+       __le32 a;
+       __le32 b;
+       __le32 fixed1;
+       __le32 fixed2;
+       __le32 c;
+       __le32 d;
+       __le32 e;
 };
 
 #define SC1810C_CTL_LINE_SW    0
@@ -118,7 +118,7 @@ struct s1810c_ctl_packet {
  * being zero and different f1/f2.
  */
 struct s1810c_state_packet {
-       u32 fields[63];
+       __le32 fields[63];
 };
 
 #define SC1810C_STATE_48V_SW   58
@@ -140,14 +140,14 @@ snd_s1810c_send_ctl_packet(struct usb_device *dev, u32 a,
        struct s1810c_ctl_packet pkt = { 0 };
        int ret = 0;
 
-       pkt.fixed1 = SC1810C_CMD_F1;
-       pkt.fixed2 = SC1810C_CMD_F2;
+       pkt.fixed1 = __cpu_to_le32(SC1810C_CMD_F1);
+       pkt.fixed2 = __cpu_to_le32(SC1810C_CMD_F2);
 
-       pkt.a = a;
-       pkt.b = b;
-       pkt.c = c;
-       pkt.d = d;
-       pkt.e = e;
+       pkt.a = __cpu_to_le32(a);
+       pkt.b = __cpu_to_le32(b);
+       pkt.c = __cpu_to_le32(c);
+       pkt.d = __cpu_to_le32(d);
+       pkt.e = __cpu_to_le32(e);
 
        ret = snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0),
                              SC1810C_CMD_REQ,
@@ -176,8 +176,8 @@ snd_sc1810c_get_status_field(struct usb_device *dev,
        struct s1810c_state_packet pkt_in = { { 0 } };
        int ret = 0;
 
-       pkt_out.fields[SC1810C_STATE_F1_IDX] = SC1810C_SET_STATE_F1;
-       pkt_out.fields[SC1810C_STATE_F2_IDX] = SC1810C_SET_STATE_F2;
+       pkt_out.fields[SC1810C_STATE_F1_IDX] = __cpu_to_le32(SC1810C_SET_STATE_F1);
+       pkt_out.fields[SC1810C_STATE_F2_IDX] = __cpu_to_le32(SC1810C_SET_STATE_F2);
        ret = snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0),
                              SC1810C_SET_STATE_REQ,
                              SC1810C_SET_STATE_REQTYPE,
@@ -197,7 +197,7 @@ snd_sc1810c_get_status_field(struct usb_device *dev,
                return ret;
        }
 
-       (*field) = pkt_in.fields[field_idx];
+       (*field) = __le32_to_cpu(pkt_in.fields[field_idx]);
        (*seqnum)++;
        return 0;
 }