linux-kernel - [PATCH] HID: wacom: Fix invalid power_supply

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Date:	Sun,  5 Feb 2012 22:35:24 +0000
From:	Przemo Firszt <przemo@...szt.eu>
To:	chris@...bagwell.com, pinglinux@...il.com, jkosina@...e.cz,
	linuxwacom-devel@...ts.sourceforge.net,
	linux-input@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:	Przemo Firszt <przemo@...szt.eu>
Subject: [PATCH] HID: wacom: Fix invalid power_supply_powers calls

power_supply_powers calls added in 35b4c01e29bdd9632dabf9784ed3486333f00427
have to be called after power device is created. This patch also fixes the
second call - it has to be "ac" instead of "battery"

Signed-off-by: Przemo Firszt <przemo@...szt.eu>
Signed-off-by: Chris Bagwell <chris@...bagwell.com>
---
 drivers/hid/hid-wacom.c |    7 ++++---
 1 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/drivers/hid/hid-wacom.c b/drivers/hid/hid-wacom.c
index b47e58b..acab74c 100644
--- a/drivers/hid/hid-wacom.c
+++ b/drivers/hid/hid-wacom.c
@@ -531,7 +531,6 @@ static int wacom_probe(struct hid_device *hdev,
 	wdata->battery.type = POWER_SUPPLY_TYPE_BATTERY;
 	wdata->battery.use_for_apm = 0;
 
-	power_supply_powers(&wdata->battery, &hdev->dev);
 
 	ret = power_supply_register(&hdev->dev, &wdata->battery);
 	if (ret) {
@@ -540,6 +539,8 @@ static int wacom_probe(struct hid_device *hdev,
 		goto err_battery;
 	}
 
+	power_supply_powers(&wdata->battery, &hdev->dev);
+
 	wdata->ac.properties = wacom_ac_props;
 	wdata->ac.num_properties = ARRAY_SIZE(wacom_ac_props);
 	wdata->ac.get_property = wacom_ac_get_property;
@@ -547,14 +548,14 @@ static int wacom_probe(struct hid_device *hdev,
 	wdata->ac.type = POWER_SUPPLY_TYPE_MAINS;
 	wdata->ac.use_for_apm = 0;
 
-	power_supply_powers(&wdata->battery, &hdev->dev);
-
 	ret = power_supply_register(&hdev->dev, &wdata->ac);
 	if (ret) {
 		hid_warn(hdev,
 			 "can't create ac battery attribute, err: %d\n", ret);
 		goto err_ac;
 	}
+
+	power_supply_powers(&wdata->ac, &hdev->dev);
 #endif
 	return 0;
 
-- 
1.7.6.4

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