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authorChris Chiu <chris.chiu@canonical.com>2026-07-16 10:38:25 +0800
committerTakashi Iwai <tiwai@suse.de>2026-07-16 08:33:30 +0200
commitac1e8d01f4ea0d4a5739c6f40b07484c6385cfbb (patch)
treeec536aa8dfda38245192adc16679413baea473fd /tools/lib/python
parenta3d6d3cedfe87bbd5a677d52b22ac20d28e59cf8 (diff)
ALSA: hda/realtek: Add inverted LED quirk for HP ZBook 8 G2a
HP ZBook 8 G2a 14 and 16 (SSIDs 0x103c:0x8f94, 0x103c:0x8f95) use the Realtek ALC245 codec with a TAS2781 amplifier via I2C. They share the same hardware configuration as the existing 0x8f40/0x8f41/0x8f42/0x8f62 models but have inverted speaker mute LED polarity, so the existing ALC245_FIXUP_HP_TAS2781_I2C_MUTE_LED quirk drives the LED backwards: off when muted and on when unmuted. Add a dedicated quirk with inverted COEF values. These are speaker-only models without an HP pin, so the LED is driven directly through the vmaster_mute hook; there is no need to probe the HP pin at runtime since the configuration is static and known per SSID. Signed-off-by: Chris Chiu <chris.chiu@canonical.com> Link: https://patch.msgid.link/20260716023825.387532-1-chris.chiu@canonical.com Signed-off-by: Takashi Iwai <tiwai@suse.de>
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