Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
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
authored by
fenugrec
and committed by
Takashi Iwai
3ce03297
72919c57
+18
-18
+18
-18
sound/usb/mixer_s1810c.c
+18
-18
sound/usb/mixer_s1810c.c
···
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* mixer and output but a different set for device.
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*/
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struct s1810c_ctl_packet {
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u32 a;
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u32 b;
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u32 fixed1;
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u32 fixed2;
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u32 c;
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u32 d;
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u32 e;
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__le32 a;
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__le32 b;
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__le32 fixed1;
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__le32 fixed2;
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__le32 c;
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__le32 d;
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__le32 e;
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};
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#define SC1810C_CTL_LINE_SW 0
···
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* being zero and different f1/f2.
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*/
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struct s1810c_state_packet {
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u32 fields[63];
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__le32 fields[63];
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};
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#define SC1810C_STATE_48V_SW 58
···
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struct s1810c_ctl_packet pkt = { 0 };
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int ret = 0;
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pkt.fixed1 = SC1810C_CMD_F1;
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pkt.fixed2 = SC1810C_CMD_F2;
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pkt.fixed1 = __cpu_to_le32(SC1810C_CMD_F1);
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pkt.fixed2 = __cpu_to_le32(SC1810C_CMD_F2);
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pkt.a = a;
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pkt.b = b;
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pkt.c = c;
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pkt.d = d;
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pkt.e = e;
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pkt.a = __cpu_to_le32(a);
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pkt.b = __cpu_to_le32(b);
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pkt.c = __cpu_to_le32(c);
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pkt.d = __cpu_to_le32(d);
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pkt.e = __cpu_to_le32(e);
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ret = snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0),
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SC1810C_CMD_REQ,
···
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struct s1810c_state_packet pkt_in = { { 0 } };
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int ret = 0;
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pkt_out.fields[SC1810C_STATE_F1_IDX] = SC1810C_SET_STATE_F1;
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pkt_out.fields[SC1810C_STATE_F2_IDX] = SC1810C_SET_STATE_F2;
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pkt_out.fields[SC1810C_STATE_F1_IDX] = __cpu_to_le32(SC1810C_SET_STATE_F1);
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pkt_out.fields[SC1810C_STATE_F2_IDX] = __cpu_to_le32(SC1810C_SET_STATE_F2);
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ret = snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0),
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SC1810C_SET_STATE_REQ,
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SC1810C_SET_STATE_REQTYPE,
···
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return ret;
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}
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(*field) = pkt_in.fields[field_idx];
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(*field) = __le32_to_cpu(pkt_in.fields[field_idx]);
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(*seqnum)++;
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return 0;
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}