[PATCH v3 0/3] Enable low power mode when WLAN is not active
Kalle Valo
kvalo at kernel.org
Mon Nov 21 08:17:30 PST 2022
Manikanta Pubbisetty <quic_mpubbise at quicinc.com> writes:
> Currently, WLAN chip is powered once during driver probe and is kept
> ON (powered) always even when WLAN is not active; keeping the chip
> powered ON all the time will consume extra power which is not
> desirable for battery operated devices. Same is the case with non-WoW
> suspend, chip will not be put into low power mode when the system is
> suspended resulting in higher battery drain.
>
> Send QMI MODE OFF command to firmware during WiFi OFF to put device
> into low power mode.
>
> Tested-on: WCN6750 hw1.0 AHB WLAN.MSL.1.0.1-00887-QCAMSLSWPLZ-1
> Tested-on: WCN6855 hw2.0 PCI WLAN.HSP.1.1-03125-QCAHSPSWPL_V1_V2_SILICONZ_LITE-3.6510.16
>
> Manikanta Pubbisetty (3):
> ath11k: Fix double free issue during SRNG deinit
> ath11k: Move hardware initialization logic to start()
> ath11k: Enable low power mode when WLAN is not active
Nowadays we use "wifi:" prefix, but I can add it.
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