Re: [PATCH] usb: typec: ucsi: psy: Set current max to 100mA for BC 1.2 and Default

[Jameson Thies]

On Thu, Jul 17, 2025 at 1:08 PM Benson Leung <bleung@xxxxxxxxxxxx> wrote:
>
> ucsi_psy_get_current_max would return 0mA as the maximum current if
> UCSI detected a BC or a Default USB Power sporce.
>
> The comment in this function is true that we can't tell the difference
> between DCP/CDP or SDP chargers, but we can guarantee that at least 1-unit
> of USB 1.1/2.0 power is available, which is 100mA, which is a better
> fallback value than 0, which causes some userspaces, including the ChromeOS
> power manager, to regard this as a power source that is not providing
> any power.
>
> In reality, 100mA is guaranteed from all sources in these classes.
>
> Signed-off-by: Benson Leung <bleung@xxxxxxxxxxxx>

Reviewed-by: Jameson Thies <jthies@xxxxxxxxxx>