Re: [PATCH 2/2] Documentation: cs35l41: Shared boost properties

Krzysztof Kozlowski
2023-02-07T16:14:07Z

On 07/02/2023 16:46, Lucas Tanure wrote:
>>> + Shared boost allows two amplifiers to share a single boost circuit by
>>> + communicating on the MDSYNC bus. The passive amplifier does not control
>>> + the boost and receives data from the active amplifier. GPIO1 should be
>>> + configured for Sync when shared boost is used. Shared boost is not
>>> + compatible with External boost. Active amplifier requires
>>> + boost-peak-milliamp, boost-ind-nanohenry and boost-cap-microfarad.
>>> 0 = Internal Boost
>>> 1 = External Boost
>>> + 2 = Reserved
>>
>> How binding can be reserved? For what and why? Drop. 2 is shared active,
>> 3 is shared passive.
> 2 Is shared boost without VSPK switch, a mode not supported for new
> system designs. But there is laptops using it, so we need to keep
> supporting in the driver.

That's not the answer. 2 is nothing here, so it cannot be reserved.
Aren't you mixing now some register value with bindings?

Best regards,
Krzysztof