Re: [PATCH v1] Bluetooth: hci_qca: disable power control for WCN7850 when bt_en is not defined

[Dmitry Baryshkov]

On Thu, Mar 19, 2026 at 11:10:40AM +0800, Shuai Zhang wrote:
> For platforms where the bt_en GPIO is not defined, software-based power
> control should be disabled when power is managed by hardware.

What does it mean for this chip, managing the power in hardware?

> 
> Add QCA_WCN7850 to the existing condition so that power_ctrl_enabled is
> cleared when bt_en is absent, aligning its behavior with WCN6750 and
> WCN6855.
> 
> Signed-off-by: Shuai Zhang <shuai.zhang@xxxxxxxxxxxxxxxx>
> ---
>  drivers/bluetooth/hci_qca.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/bluetooth/hci_qca.c b/drivers/bluetooth/hci_qca.c
> index c17a462aef55..4512ff7cd0c0 100644
> --- a/drivers/bluetooth/hci_qca.c
> +++ b/drivers/bluetooth/hci_qca.c
> @@ -2484,7 +2484,8 @@ static int qca_serdev_probe(struct serdev_device *serdev)
>  
>  		if (!qcadev->bt_en &&
>  		    (data->soc_type == QCA_WCN6750 ||
> -		     data->soc_type == QCA_WCN6855))
> +		     data->soc_type == QCA_WCN6855 ||
> +		     data->soc_type == QCA_WCN7850))
>  			power_ctrl_enabled = false;
>  
>  		qcadev->sw_ctrl = devm_gpiod_get_optional(&serdev->dev, "swctrl",
> -- 
> 2.34.1
> 

-- 
With best wishes
Dmitry