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| author | Bard Liao <yung-chuan.liao@linux.intel.com> | 2026-07-03 09:16:56 +0800 |
|---|---|---|
| committer | Vinod Koul <vkoul@kernel.org> | 2026-07-14 19:08:39 +0530 |
| commit | b7a5d101d7d267922e828c40135bcaccf8cfb3bf (patch) | |
| tree | 3e041a360f2c31b93316ec20fef775ce850a8934 | |
| parent | 90af3209742db61a7f9d7d054a16165818cfc6d8 (diff) | |
| download | linux-b7a5d101d7d267922e828c40135bcaccf8cfb3bf.tar.gz linux-b7a5d101d7d267922e828c40135bcaccf8cfb3bf.zip | |
soundwire: dmi-quirks: add a global ghost list
Not like other ghost devices, the 0x000000D010010500 ADR doesn't belong
to any codec. We should disable it in all devices.
Signed-off-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Reviewed-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.dev>
Link: https://patch.msgid.link/20260703011656.2572959-1-yung-chuan.liao@linux.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
| -rw-r--r-- | drivers/soundwire/dmi-quirks.c | 21 |
1 files changed, 20 insertions, 1 deletions
diff --git a/drivers/soundwire/dmi-quirks.c b/drivers/soundwire/dmi-quirks.c index 2a98fc8c104d..62cee6e2179d 100644 --- a/drivers/soundwire/dmi-quirks.c +++ b/drivers/soundwire/dmi-quirks.c @@ -15,6 +15,14 @@ struct adr_remap { u64 remapped_adr; }; +static const struct adr_remap global_ghost_adr[] = { + { + 0x000000D010010500ull, + 0x0000000000000000ull + }, + {} +}; + /* * Some TigerLake devices based on an initial Intel BIOS do not expose * the correct _ADR in the DSDT. @@ -212,6 +220,7 @@ static const struct dmi_system_id adr_remap_quirk_table[] = { u64 sdw_dmi_override_adr(struct sdw_bus *bus, u64 addr) { const struct dmi_system_id *dmi_id; + int i; /* check if any address remap quirk applies */ dmi_id = dmi_first_match(adr_remap_quirk_table); @@ -223,10 +232,20 @@ u64 sdw_dmi_override_adr(struct sdw_bus *bus, u64 addr) dev_dbg(bus->dev, "remapped _ADR 0x%llx as 0x%llx\n", addr, map->remapped_adr); addr = map->remapped_adr; - break; + goto out; } } } + /* remap the ghost ADRs */ + for (i = 0; i < ARRAY_SIZE(global_ghost_adr); i++) { + if (global_ghost_adr[i].adr == addr) { + dev_dbg(bus->dev, "remapped _ADR 0x%llx as 0x%llx\n", + addr, global_ghost_adr[i].remapped_adr); + addr = global_ghost_adr[i].remapped_adr; + break; + } + } +out: return addr; } |