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[PATCH v7 0/1] firmware: mtk: add adsp ipc protocol for SOF
by Allen-KH Cheng 25 May '22

25 May '22

This patch provides mediatek adsp ipc support for SOF. ADSP IPC protocol offers (send/recv) interfaces using mediatek-mailbox APIs. This patch was tested and confirmed to with SOF fw on MT8195 cherry board. Based on matthias.bgg/linux.git, v5.18-next/soc changes since v6: - rebase to matthias.bgg/linux.git, v5.18-next/soc - Prefer "GPL" over "GPL v2" for MODULE_LICENSE changes since v5: - fix WARNING: modpost: missing MODULE_LICENSE() in drivers/mailbox /mtk-adsp-mailbox.o. Add MODULE_LICENSE in the last line. - Due to WARNING: Missing or malformed SPDX-License-Identifier tag in line 1 in checkpatch, we don't remove SPDX-License in line 1. changes since v4: - add error message for wrong mbox chan changes since v3: - rebase on v5.16-rc8 - update reviewers changes since v2: - add out tag for two memory free phases changes since v1: - add comments for mtk_adsp_ipc_send and mtk_adsp_ipc_recv - remove useless MODULE_LICENSE - change label name to out_free Allen-KH Cheng (1): firmware: mediatek: add adsp ipc protocol interface drivers/firmware/Kconfig | 1 + drivers/firmware/Makefile | 1 + drivers/firmware/mediatek/Kconfig | 9 + drivers/firmware/mediatek/Makefile | 2 + drivers/firmware/mediatek/mtk-adsp-ipc.c | 161 ++++++++++++++++++ .../linux/firmware/mediatek/mtk-adsp-ipc.h | 65 +++++++ 6 files changed, 239 insertions(+) create mode 100644 drivers/firmware/mediatek/Kconfig create mode 100644 drivers/firmware/mediatek/Makefile create mode 100644 drivers/firmware/mediatek/mtk-adsp-ipc.c create mode 100644 include/linux/firmware/mediatek/mtk-adsp-ipc.h -- 2.18.0

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[syzbot] KASAN: use-after-free Read in __snd_rawmidi_transmit_ack
by syzbot 25 May '22

25 May '22

Hello, syzbot found the following issue on: HEAD commit: 3b5e1590a267 Merge tag 'gpio-fixes-for-v5.18' of git://git.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=1195135ef00000 kernel config: https://syzkaller.appspot.com/x/.config?x=902c5209311d387c dashboard link: https://syzkaller.appspot.com/bug?extid=6912c9592caca7ca0e7d compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 Unfortunately, I don't have any reproducer for this issue yet. IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+6912c9592caca7ca0e7d(a)syzkaller.appspotmail.com ================================================================== BUG: KASAN: use-after-free in __snd_rawmidi_transmit_ack+0x2cd/0x2f0 sound/core/rawmidi.c:1348 Read of size 8 at addr ffff888078b36410 by task kworker/1:1H/754 CPU: 1 PID: 754 Comm: kworker/1:1H Not tainted 5.18.0-rc7-syzkaller-00136-g3b5e1590a267 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: events_highpri snd_usbmidi_out_work Call Trace: <TASK> __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:106 print_address_description.constprop.0.cold+0xeb/0x495 mm/kasan/report.c:313 print_report mm/kasan/report.c:429 [inline] kasan_report.cold+0xf4/0x1c6 mm/kasan/report.c:491 __snd_rawmidi_transmit_ack+0x2cd/0x2f0 sound/core/rawmidi.c:1348 snd_rawmidi_transmit+0xae/0xf0 sound/core/rawmidi.c:1415 snd_usbmidi_standard_output+0x264/0xc10 sound/usb/midi.c:650 snd_usbmidi_do_output+0x200/0x510 sound/usb/midi.c:311 process_one_work+0x996/0x1610 kernel/workqueue.c:2289 worker_thread+0x665/0x1080 kernel/workqueue.c:2436 kthread+0x2e9/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298 </TASK> Allocated by task 9345: kasan_save_stack+0x1e/0x40 mm/kasan/common.c:38 kasan_set_track mm/kasan/common.c:45 [inline] set_alloc_info mm/kasan/common.c:436 [inline] ____kasan_kmalloc mm/kasan/common.c:515 [inline] ____kasan_kmalloc mm/kasan/common.c:474 [inline] __kasan_kmalloc+0xa9/0xd0 mm/kasan/common.c:524 kmalloc include/linux/slab.h:581 [inline] kzalloc include/linux/slab.h:714 [inline] snd_rawmidi_runtime_create sound/core/rawmidi.c:148 [inline] open_substream+0xe9/0x8b0 sound/core/rawmidi.c:306 rawmidi_open_priv+0x591/0x6f0 sound/core/rawmidi.c:357 snd_rawmidi_kernel_open+0x1b5/0x270 sound/core/rawmidi.c:392 midisynth_use+0xee/0x270 sound/core/seq/seq_midi.c:215 subscribe_port sound/core/seq/seq_ports.c:412 [inline] check_and_subscribe_port+0x89a/0xb80 sound/core/seq/seq_ports.c:495 snd_seq_port_connect+0x382/0x540 sound/core/seq/seq_ports.c:581 snd_seq_ioctl_subscribe_port+0x1fc/0x400 sound/core/seq/seq_clientmgr.c:1492 snd_seq_kernel_client_ctl+0x102/0x1e0 sound/core/seq/seq_clientmgr.c:2369 snd_seq_oss_midi_open+0x582/0x6e0 sound/core/seq/oss/seq_oss_midi.c:359 snd_seq_oss_synth_setup_midi+0x12d/0x530 sound/core/seq/oss/seq_oss_synth.c:269 snd_seq_oss_open+0x8c3/0xa80 sound/core/seq/oss/seq_oss_init.c:260 odev_open+0x6c/0x90 sound/core/seq/oss/seq_oss.c:128 soundcore_open+0x44e/0x620 sound/sound_core.c:593 chrdev_open+0x266/0x770 fs/char_dev.c:414 do_dentry_open+0x4a1/0x11e0 fs/open.c:824 do_open fs/namei.c:3476 [inline] path_openat+0x1c71/0x2910 fs/namei.c:3609 do_filp_open+0x1aa/0x400 fs/namei.c:3636 do_sys_openat2+0x16d/0x4c0 fs/open.c:1213 do_sys_open fs/open.c:1229 [inline] __do_sys_openat fs/open.c:1245 [inline] __se_sys_openat fs/open.c:1240 [inline] __x64_sys_openat+0x13f/0x1f0 fs/open.c:1240 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae Freed by task 9345: kasan_save_stack+0x1e/0x40 mm/kasan/common.c:38 kasan_set_track+0x21/0x30 mm/kasan/common.c:45 kasan_set_free_info+0x20/0x30 mm/kasan/generic.c:370 ____kasan_slab_free mm/kasan/common.c:366 [inline] ____kasan_slab_free+0x166/0x1a0 mm/kasan/common.c:328 kasan_slab_free include/linux/kasan.h:200 [inline] slab_free_hook mm/slub.c:1728 [inline] slab_free_freelist_hook+0x8b/0x1c0 mm/slub.c:1754 slab_free mm/slub.c:3510 [inline] kfree+0xd6/0x4d0 mm/slub.c:4552 snd_rawmidi_runtime_free sound/core/rawmidi.c:177 [inline] close_substream.part.0+0x18d/0x720 sound/core/rawmidi.c:528 close_substream sound/core/rawmidi.c:507 [inline] rawmidi_release_priv+0x192/0x270 sound/core/rawmidi.c:547 snd_rawmidi_kernel_release+0x39/0xd0 sound/core/rawmidi.c:564 midisynth_unuse+0x45/0x80 sound/core/seq/seq_midi.c:244 unsubscribe_port sound/core/seq/seq_ports.c:437 [inline] __delete_and_unsubscribe_port+0x270/0x4c0 sound/core/seq/seq_ports.c:537 snd_seq_port_disconnect+0x41c/0x5d0 sound/core/seq/seq_ports.c:616 snd_seq_ioctl_unsubscribe_port+0x1fc/0x400 sound/core/seq/seq_clientmgr.c:1537 snd_seq_kernel_client_ctl+0x102/0x1e0 sound/core/seq/seq_clientmgr.c:2369 snd_seq_oss_midi_close+0x44f/0x4d0 sound/core/seq/oss/seq_oss_midi.c:404 snd_seq_oss_synth_reset+0x422/0x880 sound/core/seq/oss/seq_oss_synth.c:406 snd_seq_oss_reset+0x6f/0x290 sound/core/seq/oss/seq_oss_init.c:435 snd_seq_oss_release+0x78/0x1a0 sound/core/seq/oss/seq_oss_init.c:412 odev_release+0x4f/0x70 sound/core/seq/oss/seq_oss.c:144 __fput+0x277/0x9d0 fs/file_table.c:317 task_work_run+0xdd/0x1a0 kernel/task_work.c:164 get_signal+0x1c5/0x24c0 kernel/signal.c:2641 arch_do_signal_or_restart+0x82/0x20f0 arch/x86/kernel/signal.c:867 exit_to_user_mode_loop kernel/entry/common.c:166 [inline] exit_to_user_mode_prepare+0x15f/0x250 kernel/entry/common.c:201 __syscall_exit_to_user_mode_work kernel/entry/common.c:283 [inline] syscall_exit_to_user_mode+0x19/0x60 kernel/entry/common.c:294 do_syscall_64+0x42/0xb0 arch/x86/entry/common.c:86 entry_SYSCALL_64_after_hwframe+0x44/0xae The buggy address belongs to the object at ffff888078b36400 which belongs to the cache kmalloc-512 of size 512 The buggy address is located 16 bytes inside of 512-byte region [ffff888078b36400, ffff888078b36600) The buggy address belongs to the physical page: page:ffffea0001e2cd00 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x78b34 head:ffffea0001e2cd00 order:2 compound_mapcount:0 compound_pincount:0 flags: 0xfff00000010200(slab|head|node=0|zone=1|lastcpupid=0x7ff) raw: 00fff00000010200 dead000000000100 dead000000000122 ffff888010c41c80 raw: 0000000000000000 0000000000100010 00000001ffffffff 0000000000000000 page dumped because: kasan: bad access detected page_owner tracks the page as allocated page last allocated via order 2, migratetype Unmovable, gfp_mask 0xd20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 2967, tgid 2967 (udevadm), ts 15461279103, free_ts 12532036824 prep_new_page mm/page_alloc.c:2441 [inline] get_page_from_freelist+0xba2/0x3e00 mm/page_alloc.c:4182 __alloc_pages+0x1b2/0x500 mm/page_alloc.c:5408 alloc_pages+0x1aa/0x310 mm/mempolicy.c:2272 alloc_slab_page mm/slub.c:1799 [inline] allocate_slab+0x26c/0x3c0 mm/slub.c:1944 new_slab mm/slub.c:2004 [inline] ___slab_alloc+0x8df/0xf20 mm/slub.c:3005 __slab_alloc.constprop.0+0x4d/0xa0 mm/slub.c:3092 slab_alloc_node mm/slub.c:3183 [inline] __kmalloc_node_track_caller+0x2cb/0x360 mm/slub.c:4947 kmalloc_reserve net/core/skbuff.c:354 [inline] __alloc_skb+0xde/0x340 net/core/skbuff.c:426 alloc_skb include/linux/skbuff.h:1300 [inline] alloc_uevent_skb+0x7b/0x210 lib/kobject_uevent.c:290 uevent_net_broadcast_untagged lib/kobject_uevent.c:326 [inline] kobject_uevent_net_broadcast lib/kobject_uevent.c:409 [inline] kobject_uevent_env+0xc42/0x1660 lib/kobject_uevent.c:593 kobject_synth_uevent+0x701/0x850 lib/kobject_uevent.c:208 store_uevent+0x12/0x20 kernel/module.c:1166 module_attr_store+0x50/0x80 kernel/params.c:919 sysfs_kf_write+0x110/0x160 fs/sysfs/file.c:136 kernfs_fop_write_iter+0x3f8/0x610 fs/kernfs/file.c:291 call_write_iter include/linux/fs.h:2050 [inline] new_sync_write+0x38a/0x560 fs/read_write.c:504 page last free stack trace: reset_page_owner include/linux/page_owner.h:24 [inline] free_pages_prepare mm/page_alloc.c:1356 [inline] free_pcp_prepare+0x549/0xd20 mm/page_alloc.c:1406 free_unref_page_prepare mm/page_alloc.c:3328 [inline] free_unref_page+0x19/0x6a0 mm/page_alloc.c:3423 free_contig_range+0xb1/0x180 mm/page_alloc.c:9418 destroy_args+0xa8/0x646 mm/debug_vm_pgtable.c:1018 debug_vm_pgtable+0x2a51/0x2ae3 mm/debug_vm_pgtable.c:1332 do_one_initcall+0x103/0x650 init/main.c:1298 do_initcall_level init/main.c:1371 [inline] do_initcalls init/main.c:1387 [inline] do_basic_setup init/main.c:1406 [inline] kernel_init_freeable+0x6b1/0x73a init/main.c:1613 kernel_init+0x1a/0x1d0 init/main.c:1502 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298 Memory state around the buggy address: ffff888078b36300: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ffff888078b36380: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc >ffff888078b36400: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ^ ffff888078b36480: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff888078b36500: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ================================================================== --- This report is generated by a bot. It may contain errors. See https://goo.gl/tpsmEJ for more information about syzbot. syzbot engineers can be reached at syzkaller(a)googlegroups.com. syzbot will keep track of this issue. See: https://goo.gl/tpsmEJ#status for how to communicate with syzbot.

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[PATCH] ASoC: nau8822: choose the best master clock prescalar
by Hui Wang 25 May '22

25 May '22

We have an imx6sx EVB with the codec nau8822, when playing the audio with 48k sample rate, the audio sounds distorted and obviously faster than expected. The codec input MCLK is 24000000Hz on our board, if the target sample rate is 48000Hz, with the current algorithm, the computed prescalar will result in 62500Hz, with the patched algorithm, the sample rate will be 46875Hz which is nearer the target sample rate. And for other sample rate like 44100, 22050, 11025 or 8000, the patched algorithm has no difference with the current algorithm, they will generate the same prescalar and the same sample rate. Signed-off-by: Hui Wang <hui.wang(a)canonical.com> --- sound/soc/codecs/nau8822.c | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) diff --git a/sound/soc/codecs/nau8822.c b/sound/soc/codecs/nau8822.c index 66bbd8f4f1ad..b67fdf64ddab 100644 --- a/sound/soc/codecs/nau8822.c +++ b/sound/soc/codecs/nau8822.c @@ -668,21 +668,24 @@ static int nau8822_config_clkdiv(struct snd_soc_dai *dai, int div, int rate) struct snd_soc_component *component = dai->component; struct nau8822 *nau8822 = snd_soc_component_get_drvdata(component); struct nau8822_pll *pll = &nau8822->pll; + int diff = INT_MAX; int i, sclk, imclk; switch (nau8822->div_id) { case NAU8822_CLK_MCLK: /* Configure the master clock prescaler div to make system * clock to approximate the internal master clock (IMCLK); - * and large or equal to IMCLK. + * and find the nearest value to IMCLK. */ div = 0; imclk = rate * 256; for (i = 1; i < ARRAY_SIZE(nau8822_mclk_scaler); i++) { sclk = (nau8822->sysclk * 10) / nau8822_mclk_scaler[i]; - if (sclk < imclk) + if (abs(sclk - imclk) < diff) { + diff = abs(sclk - imclk); + div = i; + } else break; - div = i; } dev_dbg(component->dev, "master clock prescaler %x for fs %d\n", div, rate); -- 2.25.1

2 5

Update mapping for the new Gigabyte Aorus Pro WiFi rev 1.2
by GitHub pull_request - edited 25 May '22

25 May '22

alsa-project/alsa-ucm-conf pull request #156 was edited from 13r0ck: Requires kernel patch from: https://bugzilla.kernel.org/attachment.cgi?id=301036&action=diff This doesn't fix the front mic for some reason (any ideas please?), as well I am not sure if this will cause a regression for the 1.1 board Request URL : https://github.com/alsa-project/alsa-ucm-conf/pull/156 Patch URL : https://github.com/alsa-project/alsa-ucm-conf/pull/156.patch Repository URL: https://github.com/alsa-project/alsa-ucm-conf

1 0

Update mapping for the new Gigabyte Aorus Pro WiFi rev 1.2
by GitHub pull_request - opened 25 May '22

25 May '22

alsa-project/alsa-ucm-conf pull request #157 was opened from 13r0ck: Requires kernel patch from: https://bugzilla.kernel.org/show_bug.cgi?id=215988 Request URL : https://github.com/alsa-project/alsa-ucm-conf/pull/157 Patch URL : https://github.com/alsa-project/alsa-ucm-conf/pull/157.patch Repository URL: https://github.com/alsa-project/alsa-ucm-conf

1 0

Update mapping for the new Gigabyte Aorus Pro WiFi rev 1.2
by GitHub pull_request - edited 25 May '22

25 May '22

alsa-project/alsa-ucm-conf pull request #156 was edited from 13r0ck: Requires kernel patch from: https://bugzilla.kernel.org/attachment.cgi?id=301036&action=diff This doesn't fix the front mic for some reason, as well I am not sure if this will cause a regression for the 1.1 board Request URL : https://github.com/alsa-project/alsa-ucm-conf/pull/156 Patch URL : https://github.com/alsa-project/alsa-ucm-conf/pull/156.patch Repository URL: https://github.com/alsa-project/alsa-ucm-conf

1 0

Update mapping for the new Gigabyte Aorus Pro WiFi rev 1.2
by GitHub pull_request - opened 25 May '22

25 May '22

alsa-project/alsa-ucm-conf pull request #156 was opened from 13r0ck: Requires kernel patch from: https://bugzilla.kernel.org/show_bug.cgi?id=215988 This doesn't fix the front mic for some reason, as well I am not sure if this will cause a regression for the 1.1 board Request URL : https://github.com/alsa-project/alsa-ucm-conf/pull/156 Patch URL : https://github.com/alsa-project/alsa-ucm-conf/pull/156.patch Repository URL: https://github.com/alsa-project/alsa-ucm-conf

1 0

[PATCH] ASoC: SOF: amd: Fixed Build error
by Syed Saba kareem 24 May '22

24 May '22

Add linux/module.h in acp-pci.c to solve the below dependency All error/warnings (new ones prefixed by >>): >> sound/soc/amd/acp/acp-pci.c:148:1: warning: data definition has no type or storage class 148 | MODULE_DEVICE_TABLE(pci, acp_pci_ids); | ^~~~~~~~~~~~~~~~~~~ >> sound/soc/amd/acp/acp-pci.c:148:1: error: type defaults to 'int' in declaration of 'MODULE_DEVICE_TABLE' [-Werror=implicit-int] ... Reported-by: kernel test robot <lkp(a)intel.com> Signed-off-by: Syed Saba Kareem<ssabakar(a)amd.com> --- sound/soc/amd/acp/acp-pci.c | 1 + 1 file changed, 1 insertion(+) diff --git a/sound/soc/amd/acp/acp-pci.c b/sound/soc/amd/acp/acp-pci.c index 340e39d7f420..c893963ee2d0 100644 --- a/sound/soc/amd/acp/acp-pci.c +++ b/sound/soc/amd/acp/acp-pci.c @@ -16,6 +16,7 @@ #include <linux/pci.h> #include <linux/platform_device.h> #include <linux/pm_runtime.h> +#include <linux/module.h> #include "amd.h" #include "../mach-config.h" -- 2.25.1

2 1

[PATCH AUTOSEL 5.15 01/10] ALSA: usb-audio: Don't get sample rate for MCT Trigger 5 USB-to-HDMI
by Sasha Levin 24 May '22

24 May '22

From: Forest Crossman <cyrozap(a)gmail.com> [ Upstream commit d7be213849232a2accb219d537edf056d29186b4 ] This device doesn't support reading the sample rate, so we need to apply this quirk to avoid a 15-second delay waiting for three timeouts. Signed-off-by: Forest Crossman <cyrozap(a)gmail.com> Link: https://lore.kernel.org/r/20220504002444.114011-2-cyrozap@gmail.com Signed-off-by: Takashi Iwai <tiwai(a)suse.de> Signed-off-by: Sasha Levin <sashal(a)kernel.org> --- sound/usb/quirks.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/sound/usb/quirks.c b/sound/usb/quirks.c index ab9f3da49941..fbbe59054c3f 100644 --- a/sound/usb/quirks.c +++ b/sound/usb/quirks.c @@ -1822,6 +1822,8 @@ static const struct usb_audio_quirk_flags_table quirk_flags_table[] = { QUIRK_FLAG_IGNORE_CTL_ERROR), DEVICE_FLG(0x06f8, 0xd002, /* Hercules DJ Console (Macintosh Edition) */ QUIRK_FLAG_IGNORE_CTL_ERROR), + DEVICE_FLG(0x0711, 0x5800, /* MCT Trigger 5 USB-to-HDMI */ + QUIRK_FLAG_GET_SAMPLE_RATE), DEVICE_FLG(0x074d, 0x3553, /* Outlaw RR2150 (Micronas UAC3553B) */ QUIRK_FLAG_GET_SAMPLE_RATE), DEVICE_FLG(0x08bb, 0x2702, /* LineX FM Transmitter */ -- 2.35.1

1 0

[PATCH AUTOSEL 5.17 01/12] ALSA: usb-audio: Don't get sample rate for MCT Trigger 5 USB-to-HDMI
by Sasha Levin 24 May '22

24 May '22

From: Forest Crossman <cyrozap(a)gmail.com> [ Upstream commit d7be213849232a2accb219d537edf056d29186b4 ] This device doesn't support reading the sample rate, so we need to apply this quirk to avoid a 15-second delay waiting for three timeouts. Signed-off-by: Forest Crossman <cyrozap(a)gmail.com> Link: https://lore.kernel.org/r/20220504002444.114011-2-cyrozap@gmail.com Signed-off-by: Takashi Iwai <tiwai(a)suse.de> Signed-off-by: Sasha Levin <sashal(a)kernel.org> --- sound/usb/quirks.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/sound/usb/quirks.c b/sound/usb/quirks.c index ab9f3da49941..fbbe59054c3f 100644 --- a/sound/usb/quirks.c +++ b/sound/usb/quirks.c @@ -1822,6 +1822,8 @@ static const struct usb_audio_quirk_flags_table quirk_flags_table[] = { QUIRK_FLAG_IGNORE_CTL_ERROR), DEVICE_FLG(0x06f8, 0xd002, /* Hercules DJ Console (Macintosh Edition) */ QUIRK_FLAG_IGNORE_CTL_ERROR), + DEVICE_FLG(0x0711, 0x5800, /* MCT Trigger 5 USB-to-HDMI */ + QUIRK_FLAG_GET_SAMPLE_RATE), DEVICE_FLG(0x074d, 0x3553, /* Outlaw RR2150 (Micronas UAC3553B) */ QUIRK_FLAG_GET_SAMPLE_RATE), DEVICE_FLG(0x08bb, 0x2702, /* LineX FM Transmitter */ -- 2.35.1

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