Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753985Ab1BFTjo (ORCPT ); Sun, 6 Feb 2011 14:39:44 -0500 Received: from smtp-out-015.synserver.de ([212.40.185.15]:1251 "HELO smtp-out-014.synserver.de" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with SMTP id S1753667Ab1BFTje (ORCPT ); Sun, 6 Feb 2011 14:39:34 -0500 X-SynServer-TrustedSrc: 1 X-SynServer-AuthUser: lars@laprican.de X-SynServer-PPID: 24265 From: Lars-Peter Clausen To: Anton Vorontsov Cc: Rodolfo Giometti , Grazvydas Ignotas , linux-kernel@vger.kernel.org, Lars-Peter Clausen Subject: [PATCH 04/14] POWER: bq27x00: Return -ENODEV for properties if the battery is not present Date: Sun, 6 Feb 2011 01:48:01 +0100 Message-Id: <1296953291-10373-5-git-send-email-lars@metafoo.de> X-Mailer: git-send-email 1.7.2.3 In-Reply-To: <1296953291-10373-1-git-send-email-lars@metafoo.de> References: <1296953291-10373-1-git-send-email-lars@metafoo.de> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1588 Lines: 46 This patch changes get_property callback of the bq27x00 battery to return -ENODEV for properties other then the PROP_PRESENT if the battery is not present. The power subsystem core expects a driver to behave that way. Signed-off-by: Lars-Peter Clausen --- drivers/power/bq27x00_battery.c | 9 +++++++-- 1 files changed, 7 insertions(+), 2 deletions(-) diff --git a/drivers/power/bq27x00_battery.c b/drivers/power/bq27x00_battery.c index 1b06134..9f16666 100644 --- a/drivers/power/bq27x00_battery.c +++ b/drivers/power/bq27x00_battery.c @@ -252,16 +252,21 @@ static int bq27x00_battery_get_property(struct power_supply *psy, { int ret = 0; struct bq27x00_device_info *di = to_bq27x00_device_info(psy); + int voltage = bq27x00_battery_voltage(di); + + if (psp != POWER_SUPPLY_PROP_PRESENT && voltage <= 0) + return -ENODEV; switch (psp) { case POWER_SUPPLY_PROP_STATUS: ret = bq27x00_battery_status(di, val); break; case POWER_SUPPLY_PROP_VOLTAGE_NOW: + val->intval = voltage; + break; case POWER_SUPPLY_PROP_PRESENT: - val->intval = bq27x00_battery_voltage(di); if (psp == POWER_SUPPLY_PROP_PRESENT) - val->intval = val->intval <= 0 ? 0 : 1; + val->intval = voltage <= 0 ? 0 : 1; break; case POWER_SUPPLY_PROP_CURRENT_NOW: val->intval = bq27x00_battery_current(di); -- 1.7.2.3 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/