[PATCH v2 2/2] wcn36xx: Add ability for wcn36xx_smd_dump_cmd_req to pass two's complement

[Loic Poulain]

On Thu, 9 Sept 2021 at 16:42, Bryan O'Donoghue
<bryan.odonoghue at linaro.org> wrote:
>
> Qcom documents suggest passing of negative values to the dump command,
> however currently we convert from string to u32 not s32, so we cannot pass
> a two's complement value to the firmware in this way.
>
> There is in fact only one parameter which takes a two's complement value
> <tigger threshold> in the antenna diversity switch command.
>
> Downstream:
> iwpriv wlan0 dump 71 3 <schedule period> <trigger threshold> <hysteresis value>
>
> Upstream:
> echo "71 3 <schedule period> <trigger threshold> <hysteresis value>" > /sys/kernel/debug/ieee80211/phy0/wcn36xx/dump
>
> Fixes: 8e84c2582169 ("wcn36xx: mac80211 driver for Qualcomm WCN3660/WCN3680 hardware")
> Signed-off-by: Bryan O'Donoghue <bryan.odonoghue at linaro.org>

Reviewed-by: Loic Poulain <loic.poulain at linaro.org>