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ACPI: scan: Add CLSA0102 to the serial bus ignore list

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The Lenovo Yoga Slim 7 Carbon 14ACN6 (82L0) describes the two CS35L41
amplifiers of its bass speakers as a single ACPI node, HID CLSA0102,
with two I2cSerialBusV2 resources (0x40 and 0x41), like CLSA0100 and
CLSA0101 on the Legion 7. Skip the default I2C enumeration so that
serial-multi-instantiate can create a client for each amplifier.

Link: https://bugzilla.kernel.org/show_bug.cgi?id=215632
Assisted-by: Claude Opus 5
Signed-off-by: Ilya Pavlukhin <i.pavluhin@ya.ru>
Acked-by: Rafael J. Wysocki (Intel) <rafael@kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Link: https://patch.msgid.link/20260920092808.17234-2-i.pavluhin@ya.ru
This commit is contained in:
Ilya Pavlukhin 2026-09-20 12:28:05 +03:00 committed by Takashi Iwai
parent 19b42c1fff
commit e4f960371f
1 changed files with 1 additions and 0 deletions
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drivers/acpi/scan.c
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@ -1764,6 +1764,7 @@ static bool acpi_device_enumeration_by_parent(struct acpi_device *device)
/* Non-conforming _HID for Cirrus Logic already released */
{"CLSA0100", },
{"CLSA0101", },
{"CLSA0102", },
/*
* Some ACPI devs contain SerialBus resources even though they are not
* attached to a serial bus at all.