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Date: Mon, 7 Jan 2008 02:12:01 +0300
From: Dmitry <dbaryshkov@...il.com>
To: cbouatmailru@...il.com
Cc: linux-kernel@...r.kernel.org, cbou@...l.ru, dwmw2@...radead.org
Subject: Re: [PATCH 3/3]
Hi,
2008/1/7, Anton Vorontsov <cbouatmailru@...il.com>:
> On Sun, Jan 06, 2008 at 03:30:16PM +0300, Dmitry Baryshkov wrote:
> > Support using VOLTAGE_* properties for apm calculations. It's pretty
> > dummy, but useful for batteries for which we can only get voltages.
>
> Here Signed-off-by: line is missing, please provide one so I could
> apply the patch.
Signed-off-by: Dmitry Baryshkov <dbaryshkov@...il.com>
:)
>
> Thanks!
>
> > diff --git a/drivers/power/apm_power.c b/drivers/power/apm_power.c
> > index bbf3ee1..526c96e 100644
> > --- a/drivers/power/apm_power.c
> > +++ b/drivers/power/apm_power.c
> > @@ -13,6 +13,12 @@
> > #include <linux/power_supply.h>
> > #include <linux/apm-emulation.h>
> >
> > +typedef enum {
> > + SOURCE_ENERGY,
> > + SOURCE_CHARGE,
> > + SOURCE_VOLTAGE,
> > +} apm_source;
> > +
> > #define PSY_PROP(psy, prop, val) psy->get_property(psy, \
> > POWER_SUPPLY_PROP_##prop, val)
> >
> > @@ -87,7 +93,7 @@ static void find_main_battery(void)
> > }
> > }
> >
> > -static int calculate_time(int status, int using_charge)
> > +static int calculate_time(int status, apm_source source)
> > {
> > union power_supply_propval full;
> > union power_supply_propval empty;
> > @@ -106,20 +112,34 @@ static int calculate_time(int status, int using_charge)
> > return -1;
> > }
> >
> > - if (using_charge) {
> > + switch (source) {
> > + case SOURCE_CHARGE:
> > full_prop = POWER_SUPPLY_PROP_CHARGE_FULL;
> > full_design_prop = POWER_SUPPLY_PROP_CHARGE_FULL_DESIGN;
> > empty_prop = POWER_SUPPLY_PROP_CHARGE_EMPTY;
> > empty_design_prop = POWER_SUPPLY_PROP_CHARGE_EMPTY;
> > cur_avg_prop = POWER_SUPPLY_PROP_CHARGE_AVG;
> > cur_now_prop = POWER_SUPPLY_PROP_CHARGE_NOW;
> > - } else {
> > + break;
> > + case SOURCE_ENERGY:
> > full_prop = POWER_SUPPLY_PROP_ENERGY_FULL;
> > full_design_prop = POWER_SUPPLY_PROP_ENERGY_FULL_DESIGN;
> > empty_prop = POWER_SUPPLY_PROP_ENERGY_EMPTY;
> > empty_design_prop = POWER_SUPPLY_PROP_CHARGE_EMPTY;
> > cur_avg_prop = POWER_SUPPLY_PROP_ENERGY_AVG;
> > cur_now_prop = POWER_SUPPLY_PROP_ENERGY_NOW;
> > + break;
> > + case SOURCE_VOLTAGE:
> > + full_prop = POWER_SUPPLY_PROP_VOLTAGE_MAX;
> > + full_design_prop = POWER_SUPPLY_PROP_VOLTAGE_MAX_DESIGN;
> > + empty_prop = POWER_SUPPLY_PROP_VOLTAGE_MIN;
> > + empty_design_prop = POWER_SUPPLY_PROP_VOLTAGE_MIN_DESIGN;
> > + cur_avg_prop = POWER_SUPPLY_PROP_VOLTAGE_AVG;
> > + cur_now_prop = POWER_SUPPLY_PROP_VOLTAGE_NOW;
> > + break;
> > + default:
> > + printk(KERN_ERR "Unsupported source: %d\n", source);
> > + return -1;
> > }
> >
> > if (_MPSY_PROP(full_prop, &full)) {
> > @@ -146,7 +166,7 @@ static int calculate_time(int status, int using_charge)
> > return -((cur.intval - empty.intval) * 60L) / I.intval;
> > }
> >
> > -static int calculate_capacity(int using_charge)
> > +static int calculate_capacity(apm_source source)
> > {
> > enum power_supply_property full_prop, empty_prop;
> > enum power_supply_property full_design_prop, empty_design_prop;
> > @@ -154,20 +174,33 @@ static int calculate_capacity(int using_charge)
> > union power_supply_propval empty, full, cur;
> > int ret;
> >
> > - if (using_charge) {
> > + switch (source) {
> > + case SOURCE_CHARGE:
> > full_prop = POWER_SUPPLY_PROP_CHARGE_FULL;
> > empty_prop = POWER_SUPPLY_PROP_CHARGE_EMPTY;
> > full_design_prop = POWER_SUPPLY_PROP_CHARGE_FULL_DESIGN;
> > empty_design_prop = POWER_SUPPLY_PROP_CHARGE_EMPTY_DESIGN;
> > now_prop = POWER_SUPPLY_PROP_CHARGE_NOW;
> > avg_prop = POWER_SUPPLY_PROP_CHARGE_AVG;
> > - } else {
> > + break;
> > + case SOURCE_ENERGY:
> > full_prop = POWER_SUPPLY_PROP_ENERGY_FULL;
> > empty_prop = POWER_SUPPLY_PROP_ENERGY_EMPTY;
> > full_design_prop = POWER_SUPPLY_PROP_ENERGY_FULL_DESIGN;
> > empty_design_prop = POWER_SUPPLY_PROP_ENERGY_EMPTY_DESIGN;
> > now_prop = POWER_SUPPLY_PROP_ENERGY_NOW;
> > avg_prop = POWER_SUPPLY_PROP_ENERGY_AVG;
> > + case SOURCE_VOLTAGE:
> > + full_prop = POWER_SUPPLY_PROP_VOLTAGE_MAX;
> > + empty_prop = POWER_SUPPLY_PROP_VOLTAGE_MIN;
> > + full_design_prop = POWER_SUPPLY_PROP_VOLTAGE_MAX_DESIGN;
> > + empty_design_prop = POWER_SUPPLY_PROP_VOLTAGE_MIN_DESIGN;
> > + now_prop = POWER_SUPPLY_PROP_VOLTAGE_NOW;
> > + avg_prop = POWER_SUPPLY_PROP_VOLTAGE_AVG;
> > + break;
> > + default:
> > + printk(KERN_ERR "Unsupported source: %d\n", source);
> > + return -1;
> > }
> >
> > if (_MPSY_PROP(full_prop, &full)) {
> > @@ -234,10 +267,12 @@ static void apm_battery_apm_get_power_status(struct apm_power_info *info)
> > info->battery_life = capacity.intval;
> > } else {
> > /* try calculate using energy */
> > - info->battery_life = calculate_capacity(0);
> > + info->battery_life = calculate_capacity(SOURCE_ENERGY);
> > /* if failed try calculate using charge instead */
> > if (info->battery_life == -1)
> > - info->battery_life = calculate_capacity(1);
> > + info->battery_life = calculate_capacity(SOURCE_CHARGE);
> > + if (info->battery_life == -1)
> > + info->battery_life = calculate_capacity(SOURCE_VOLTAGE);
> > }
> >
> > /* charging status */
> > @@ -263,18 +298,22 @@ static void apm_battery_apm_get_power_status(struct apm_power_info *info)
> > !MPSY_PROP(TIME_TO_FULL_NOW, &time_to_full)) {
> > info->time = time_to_full.intval / 60;
> > } else {
> > - info->time = calculate_time(status.intval, 0);
> > + info->time = calculate_time(status.intval, SOURCE_ENERGY);
> > if (info->time == -1)
> > - info->time = calculate_time(status.intval, 1);
> > + info->time = calculate_time(status.intval, SOURCE_CHARGE);
> > + if (info->time == -1)
> > + info->time = calculate_time(status.intval, SOURCE_VOLTAGE);
> > }
> > } else {
> > if (!MPSY_PROP(TIME_TO_EMPTY_AVG, &time_to_empty) ||
> > !MPSY_PROP(TIME_TO_EMPTY_NOW, &time_to_empty)) {
> > info->time = time_to_empty.intval / 60;
> > } else {
> > - info->time = calculate_time(status.intval, 0);
> > + info->time = calculate_time(status.intval, SOURCE_ENERGY);
> > + if (info->time == -1)
> > + info->time = calculate_time(status.intval, SOURCE_CHARGE);
> > if (info->time == -1)
> > - info->time = calculate_time(status.intval, 1);
> > + info->time = calculate_time(status.intval, SOURCE_VOLTAGE);
> > }
> > }
> >
> > --
> > With best wishes
> > Dmitry
> >
>
> --
> Anton Vorontsov
> email: cbou@...l.ru
> backup email: ya-cbou@...dex.ru
> irc://irc.freenode.net/bd2
>
--
With best wishes
Dmitry
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