Re: [PATCH 06/18] power: ab8500_bm: Recharge condition not optimalfor battery

[Anton Vorontsov]

On Fri, Jan 11, 2013 at 01:12:54PM +0000, Lee Jones wrote:
> From: Marcus Cooper <marcus.xm.cooper@xxxxxxxxxxxxxx>
> 
> Today the battery recharge is determined with a voltage threshold. This
> voltage threshold is only valid when the battery is relaxed. In charging
> algorithm the voltage read is the loaded battery voltage and no
> compensation is done to get the relaxed voltage. When maintenance
> charging is not selected, this makes the recharging condition to almost
> immediately activate when there is a discharge present on the battery.
> 
> Depending on which vendor the battery comes from this behavior can wear
> out the battery much faster than normal.
> 
> The fuelgauge driver is responsible to monitor the actual battery
> capacity and is able to estimate the remaining capacity. It is better to
> use the remaining capacity as a limit to determine when battery should
> be recharged.
> 
> Signed-off-by: Lee Jones <lee.jones@xxxxxxxxxx>
> Signed-off-by: Marcus Cooper <marcus.xm.cooper@xxxxxxxxxxxxxx>
> Reviewed-by: Hakan BERG <hakan.berg@xxxxxxxxxxxxxx>
> Reviewed-by: Jonas ABERG <jonas.aberg@xxxxxxxxxxxxxx>
> ---
> +	.maint_thres = 95,
>  	.user_cap_limit = 15,
>  	.maint_thres = 97,
>  };

95 or 97? These are both specified. I removed 97, assuming it was a merge
error on your side. But please double check, it could be that you really
want 97 here.
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/