linux-kernel - Re: [PATCH 11/14] POWER: bq27x00: Give more specific reports on battery status

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Date:	Sun, 6 Feb 2011 17:38:19 +0100
From:	Rodolfo Giometti <giometti@...eenne.com>
To:	Lars-Peter Clausen <lars@...afoo.de>
Cc:	Anton Vorontsov <cbouatmailru@...il.com>,
	Grazvydas Ignotas <notasas@...il.com>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 11/14] POWER: bq27x00: Give more specific reports on
 battery status

On Sun, Feb 06, 2011 at 01:48:08AM +0100, Lars-Peter Clausen wrote:
> The current code only reports whether the battery is charging or discharging.
> But the battery also reports whether it is fully charged, furthermore by look at
> if the battery is supplied we can tell whether it is discharging or not
> charging.
> 
> Signed-off-by: Lars-Peter Clausen <lars@...afoo.de>
> ---
>  drivers/power/bq27x00_battery.c |    7 ++++++-
>  1 files changed, 6 insertions(+), 1 deletions(-)
> 
> diff --git a/drivers/power/bq27x00_battery.c b/drivers/power/bq27x00_battery.c
> index 7540364..961238f 100644
> --- a/drivers/power/bq27x00_battery.c
> +++ b/drivers/power/bq27x00_battery.c
> @@ -54,6 +54,7 @@
>  #define BQ27000_REG_RSOC		0x0B /* Relative State-of-Charge */
>  #define BQ27000_REG_ILMD		0x76 /* Initial last measured discharge */
>  #define BQ27000_FLAG_CHGS		BIT(7)
> +#define BQ27000_FLAG_FC			BIT(5)
>  
>  #define BQ27500_REG_SOC			0x2c
>  #define BQ27500_REG_DCAP		0x3C /* Design capacity */
> @@ -395,8 +396,12 @@ static int bq27x00_battery_status(struct bq27x00_device_info *di,
>  		else
>  			status = POWER_SUPPLY_STATUS_CHARGING;
>  	} else {
> -		if (di->cache.flags & BQ27000_FLAG_CHGS)
> +		if (di->cache.flags & BQ27000_FLAG_FC)
> +			status = POWER_SUPPLY_STATUS_FULL;
> +		else if (di->cache.flags & BQ27000_FLAG_CHGS)
>  			status = POWER_SUPPLY_STATUS_CHARGING;
> +		else if (power_supply_am_i_supplied(&di->bat))
> +			status = POWER_SUPPLY_STATUS_NOT_CHARGING;
>  		else
>  			status = POWER_SUPPLY_STATUS_DISCHARGING;
>  	}
> -- 
> 1.7.2.3
> 

Acked-by: Rodolfo Giometti <giometti@...ux.it>

-- 

GNU/Linux Solutions                  e-mail: giometti@...eenne.com
Linux Device Driver                          giometti@...ux.it
Embedded Systems                     phone:  +39 349 2432127
UNIX programming                     skype:  rodolfo.giometti
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