diff options
| author | David Woodhouse <dwmw2@infradead.org> | 2008-05-04 07:31:42 +0200 |
|---|---|---|
| committer | Anton Vorontsov <cbouatmailru@gmail.com> | 2008-05-04 11:12:33 +0200 |
| commit | 1ca5b9d2183f11bb8b69e04b19a7faf7f600a840 (patch) | |
| tree | b7a48df7fc0b52217cd82b05ff8c21037333d6e7 /drivers/power | |
| parent | Merge git://git.kernel.org/pub/scm/linux/kernel/git/tglx/linux-2.6-hrt (diff) | |
| download | linux-1ca5b9d2183f11bb8b69e04b19a7faf7f600a840.tar.xz linux-1ca5b9d2183f11bb8b69e04b19a7faf7f600a840.zip | |
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>
Signed-off-by: Anton Vorontsov <cbouatmailru@gmail.com>
Diffstat (limited to 'drivers/power')
| -rw-r--r-- | 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 ab1e8289f07f..7524a63a54cb 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, }; /********************************************************************* |