Messages in this thread Patch in this message | | | Date | Sun, 4 May 2008 01:31:42 -0400 | From | Andres Salomon <> | Subject | Re: [PATCH 1/4] power_supply: Support serial number and ACR in olpc_battery |
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On Sat, 3 May 2008 02:58:49 +0400 Anton Vorontsov <cbouatmailru@gmail.com> wrote:
> On Wed, Apr 30, 2008 at 04:30:02PM -0400, Andres Salomon wrote: > > From: David Woodhouse <dwmw2@infradead.org> > > > > This adds serial number and accumulated current support to the OLPC > > battery driver. > > How PROP_ACCUM_CURRENT is different from PROP_CHARGE_NOW (uAh)? > > The DS2760 is already using the later to report its ACR register... >
Hm, I can change that. In the meantime, I've stripped out the ACR stuff. Can you please use the following patch instead? The change doesn't conflict with the other 3 patches.
From: David Woodhouse <dwmw2@infradead.org>
power_supply: Support serial number in olpc_battery
This adds serial number support to the OLPC battery driver.
Signed-off-by: David Woodhouse <dwmw2@infradead.org> Signed-off-by: Andres Salomon <dilinger@debian.org> --- drivers/power/olpc_battery.c | 12 ++++++++++++ 1 files changed, 12 insertions(+), 0 deletions(-)
diff --git a/drivers/power/olpc_battery.c b/drivers/power/olpc_battery.c index ab1e828..7524a63 100644 --- a/drivers/power/olpc_battery.c +++ b/drivers/power/olpc_battery.c @@ -84,6 +84,8 @@ static struct power_supply olpc_ac = { .get_property = olpc_ac_get_prop, }; +static char bat_serial[17]; /* Ick */ + /********************************************************************* * Battery properties *********************************************************************/ @@ -94,6 +96,7 @@ static int olpc_bat_get_property(struct power_supply *psy, int ret = 0; int16_t ec_word; uint8_t ec_byte; + uint64_t ser_buf; ret = olpc_ec_cmd(EC_BAT_STATUS, NULL, 0, &ec_byte, 1); if (ret) @@ -241,6 +244,14 @@ static int olpc_bat_get_property(struct power_supply *psy, ec_word = be16_to_cpu(ec_word); val->intval = ec_word * 100 / 256; break; + case POWER_SUPPLY_PROP_SERIAL_NUMBER: + ret = olpc_ec_cmd(EC_BAT_SERIAL, NULL, 0, (void *)&ser_buf, 8); + if (ret) + return ret; + + sprintf(bat_serial, "%016llx", (long long)be64_to_cpu(ser_buf)); + val->strval = bat_serial; + break; default: ret = -EINVAL; break; @@ -260,6 +271,7 @@ static enum power_supply_property olpc_bat_props[] = { POWER_SUPPLY_PROP_TEMP, POWER_SUPPLY_PROP_TEMP_AMBIENT, POWER_SUPPLY_PROP_MANUFACTURER, + POWER_SUPPLY_PROP_SERIAL_NUMBER, }; /********************************************************************* -- 1.5.5.1
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