ACK: [SRU][R][PATCH 0/1] Fix no audio output and mute hotkey not working on HP ZBook 8 G2a

[Rickey Castillo Valenzuela]

On 8/11/26 04:01, Chris Chiu via kernel-team wrote:
> From: Chris Chiu <chris.chiu at canonical.com>
>
> BugLink: https://bugs.launchpad.net/bugs/2158858
>
> [Impact]
> No audio output from the built-in speaker and the speaker and mic mute LEDs never turn on on affected HP systems (SSIDs 0x103c:0x8f94 and 0x103c:0x8f95).
>
> [Fix]
> Add the ALC245_FIXUP_HP_TAS2781_I2C_MUTE_LED quirk to enable speaker and mic mute LEDs for SSIDs 0x103c:0x8f94 and 0x103c:0x8f95.
>
> [Test Plan]
> 1. Boot up the affected machine
> 2. Check the audio output by pressing `Test speakers` on the g-d-d sound menu.
> 3. Press the speaker and mic mute keys and verify the following
>     - Speaker muted: LED is on
>     - Speaker not muted: LED is off
>     - Mic muted: LED is on
>     - Mic not muted: LED is off
>
> [Where problems could occur]
> This change is restricted on particular SSIDs. Should be no risk of regression.
>
> Chris Chiu (1):
>    ALSA: hda/realtek: Add inverted LED quirk for HP ZBook 8 G2a
>
>   sound/hda/codecs/realtek/alc269.c | 43 +++++++++++++++++++++++++++++++
>   1 file changed, 43 insertions(+)
>
Signed-off-by: Rickey Castillo <rickey.castillo.valenzuela at canonical.com>