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charset=\"utf-8\"","Content-Transfer-Encoding":"base64","Errors-To":"kernel-team-bounces@lists.ubuntu.com","Sender":"\"kernel-team\" "},"content":"BugLink: https://bugs.launchpad.net/bugs/2150196\n\nSRU Justification:\n\n[ Impact ]\nLenovo PTL systems with rt722 headset codec + rt1320 speaker amp over\nSoundWire have no speaker audio and no DMIC. The kernel's PTL match\ntable lacks the rt722_l0_rt1320_l23 topology, the rt1320\ncodec_info_list is missing its DMIC dai, and the is_amp flag is\nabsent -- so the machine driver never matches and the wrong name\nprefix is assigned.\n\n[ Fix ]\nThree upstream commits from Linus's mainline tree for resolute,\n1. 9033f7b7f27d -- drop rt722 monolithic match tables\n2. dd4a1963ddf0 -- add is_amp flag to fix wrong name prefix\n3. ae2cb3384337 -- add rt1320/rt1321 DMIC dai in codec_info_list\n\nAll cherry-pick cleanly with zero conflicts. Diffs are byte-identical\nto upstream (only index hashes and hunk offsets differ due to different\nbase tree).\n\n[ Test Plan ]\nOn a Lenovo PTL system with spk:rt1320 + hs:rt722:\n1. Boot without patches: no speaker sound card components, no DMIC\n2. Boot with patches:\n - Speaker playback: aplay -D hw:0,2 tone.wav\n - DMIC loopback: play 1kHz tone through speaker, record from DMIC,\n FFT confirms peak at 1000 Hz\n - WirePlumber sees all devices\n - Mute LEDs functional (speaker and mic)\n - Suspend/resume: full status diff pre vs post identical, loopback\n and LEDs work after resume\n\n[ Where problems could occur ]\nPatches touch PTL match tables, SoundWire codec_info_list, and SOF\nHDA codec matching. A wrong match table entry could cause a different\nPTL topology to break (wrong codec matched). The is_amp flag override\nin find_acpi_adr_device() runs for all SoundWire codecs on Intel SOF\nplatforms -- if the flag logic is wrong, non-amp codecs could get\nmisidentified, breaking name prefixes and DAI routing. Commits 4-5\nremove rt721/rt722 monolithic match tables; any PTL machine still\nrelying on monolithic matching (rather than function topologies)\nwould lose its match entry.\n\n[ Other Info ]\nSince the hardware is only fully supported from 6.17 kernel,\nSRU for resolute and oem-6.17 and resolute only.\n\nDerek Fang (2):\n ASoC: SOF: Intel: Add a is_amp flag to fix the wrong name prefix\n ASoC: sdw_utils: add rt1320 and rt1321 dmic dai in codec_info_list\n\nMac Chiang (1):\n ASoC: Intel: soc-acpi-intel-ptl-match: drop rt722 monolithic match\n tables\n\n include/sound/soc_sdw_utils.h | 2 +\n .../intel/common/soc-acpi-intel-ptl-match.c | 100 ------------------\n sound/soc/sdw_utils/soc_sdw_rt_dmic.c | 46 +++++++-\n sound/soc/sdw_utils/soc_sdw_utils.c | 26 ++++-\n sound/soc/sof/intel/hda.c | 10 ++\n 5 files changed, 79 insertions(+), 105 deletions(-)"}