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From: Benjamin Tissoires <benjamin.tissoires@redhat.com>
To: Jiri Kosina <jikos@kernel.org>, Ping Cheng <pinglinux@gmail.com>,
	Jason Gerecke <killertofu@gmail.com>,
	Aaron Skomra <skomra@gmail.com>,
	Peter Hutterer <peter.hutterer@who-t.net>
Cc: linux-kernel@vger.kernel.org, linux-input@vger.kernel.org
Subject: [PATCH 22/27] HID: wacom: EKR: attach the power_supply on first connection
Date: Tue,  5 Jul 2016 16:39:18 +0200	[thread overview]
Message-ID: <1467729563-23318-23-git-send-email-benjamin.tissoires@redhat.com> (raw)
In-Reply-To: <1467729563-23318-1-git-send-email-benjamin.tissoires@redhat.com>

Or Gnome complains about an empty battery.

Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
---
 drivers/hid/wacom_sys.c | 36 ++++++++++++++++++++++++++++++------
 1 file changed, 30 insertions(+), 6 deletions(-)

diff --git a/drivers/hid/wacom_sys.c b/drivers/hid/wacom_sys.c
index 04f5c75..1d79215 100644
--- a/drivers/hid/wacom_sys.c
+++ b/drivers/hid/wacom_sys.c
@@ -1917,6 +1917,10 @@ static void wacom_remote_destroy_one(struct wacom *wacom, unsigned int index)
 	remote->remotes[index].registered = false;
 	spin_unlock_irqrestore(&remote->remote_lock, flags);
 
+	if (remote->remotes[index].battery.battery)
+		devres_release_group(&wacom->hdev->dev,
+				     &remote->remotes[index].battery.bat_desc);
+
 	if (remote->remotes[index].group.name)
 		devres_release_group(&wacom->hdev->dev,
 				     &remote->remotes[index]);
@@ -1926,6 +1930,7 @@ static void wacom_remote_destroy_one(struct wacom *wacom, unsigned int index)
 			remote->remotes[i].serial = 0;
 			remote->remotes[i].group.name = NULL;
 			remote->remotes[i].registered = false;
+			remote->remotes[i].battery.battery = NULL;
 			wacom->led.groups[i].select = WACOM_STATUS_UNKNOWN;
 		}
 	}
@@ -1982,11 +1987,6 @@ static int wacom_remote_create_one(struct wacom *wacom, u32 serial,
 	if (error)
 		goto fail;
 
-	error = __wacom_initialize_battery(wacom,
-					   &remote->remotes[index].battery);
-	if (error)
-		goto fail;
-
 	remote->remotes[index].registered = true;
 
 	devres_close_group(dev, &remote->remotes[index]);
@@ -1998,6 +1998,28 @@ fail:
 	return error;
 }
 
+static int wacom_remote_attach_battery(struct wacom *wacom, int index)
+{
+	struct wacom_remote *remote = wacom->remote;
+	int error;
+
+	if (!remote->remotes[index].registered)
+		return 0;
+
+	if (remote->remotes[index].battery.battery)
+		return 0;
+
+	if (wacom->led.groups[index].select == WACOM_STATUS_UNKNOWN)
+		return 0;
+
+	error = __wacom_initialize_battery(wacom,
+					&wacom->remote->remotes[index].battery);
+	if (error)
+		return error;
+
+	return 0;
+}
+
 static void wacom_remote_work(struct work_struct *work)
 {
 	struct wacom *wacom = container_of(work, struct wacom, remote_work);
@@ -2028,8 +2050,10 @@ static void wacom_remote_work(struct work_struct *work)
 		serial = data.remote[i].serial;
 		if (data.remote[i].connected) {
 
-			if (remote->remotes[i].serial == serial)
+			if (remote->remotes[i].serial == serial) {
+				wacom_remote_attach_battery(wacom, i);
 				continue;
+			}
 
 			if (remote->remotes[i].serial)
 				wacom_remote_destroy_one(wacom, i);
-- 
2.5.5

  parent reply	other threads:[~2016-07-05 14:42 UTC|newest]

Thread overview: 36+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-07-05 14:38 [PATCH 00/27] HID: wacom: cleanup/EKR/LED Benjamin Tissoires
2016-07-05 14:38 ` [PATCH 01/27] HID: wacom: actually report the battery level for wireless connected Benjamin Tissoires
2016-07-05 14:38 ` [PATCH 02/27] HID: wacom: store the type in wacom->shared for INTUOSHT and INTUOSHT2 Benjamin Tissoires
2016-07-05 14:38 ` [PATCH 03/27] HID: wacom: remove cleanup of wacom->remote_dir from wacom_clean_inputs() Benjamin Tissoires
2016-07-05 14:39 ` [PATCH 04/27] HID: wacom: untie leds from inputs Benjamin Tissoires
2016-07-05 14:39 ` [PATCH 05/27] HID: wacom: use one work queue per task Benjamin Tissoires
2016-07-05 14:39 ` [PATCH 06/27] HID: wacom: switch battery to devres Benjamin Tissoires
2016-07-05 14:39 ` [PATCH 07/27] HID: wacom: switch inputs " Benjamin Tissoires
2016-07-05 14:39 ` [PATCH 08/27] HID: wacom: put the managed resources in a group Benjamin Tissoires
2016-07-05 14:39 ` [PATCH 09/27] HID: wacom: convert LEDs to devres Benjamin Tissoires
2016-07-05 14:39 ` [PATCH 10/27] HID: wacom: use devm_kasprintf for allocating the name of the remote Benjamin Tissoires
2016-07-05 14:39 ` [PATCH 11/27] HID: wacom: use devres to allocate driver data Benjamin Tissoires
2016-07-05 14:39 ` [PATCH 12/27] HID: wacom: devres manage the shared data too Benjamin Tissoires
2016-07-05 14:39 ` [PATCH 13/27] HID: wacom: leds: dynamically allocate LED groups Benjamin Tissoires
2016-07-05 14:39 ` [PATCH 14/27] HID: wacom: EKR: add a worker to add/remove resources on addition/removal Benjamin Tissoires
2016-07-05 15:21   ` kbuild test robot
2016-07-05 14:39 ` [PATCH 15/27] HID: wacom: EKR: have the wacom resources dynamically allocated Benjamin Tissoires
2016-07-05 14:39 ` [PATCH 16/27] HID: wacom: rework fail path in probe() and parse_and_register() Benjamin Tissoires
2016-07-05 14:39 ` [PATCH 17/27] HID: wacom: EKR: have proper allocator and destructor Benjamin Tissoires
2016-07-05 14:39 ` [PATCH 18/27] HID: wacom: EKR: use devres groups to manage resources Benjamin Tissoires
2016-07-05 14:39 ` [PATCH 19/27] HID: wacom: EKR: have one array of struct remotes instead of many arrays Benjamin Tissoires
2016-07-05 14:39 ` [PATCH 20/27] HID: wacom: EKR: allocate one input node per remote Benjamin Tissoires
2016-07-05 14:39 ` [PATCH 21/27] HID: wacom: EKR: have one power_supply " Benjamin Tissoires
2016-07-05 14:39 ` Benjamin Tissoires [this message]
     [not found]   ` <CAEoswT0inHAzo4pP8sBaXpMR_iqUG_U=kdGagAu_m8DybMMDzA@mail.gmail.com>
2016-07-12  9:29     ` [PATCH 22/27] HID: wacom: EKR: attach the power_supply on first connection Benjamin Tissoires
2016-07-13 15:24       ` Benjamin Tissoires
2016-07-05 14:39 ` [PATCH 23/27] HID: wacom: leds: use the ledclass instead of custom made sysfs files Benjamin Tissoires
2016-07-12  1:42   ` Peter Hutterer
2016-07-05 14:39 ` [PATCH 24/27] HID: wacom: leds: actually release the LEDs on disconnect Benjamin Tissoires
2016-07-05 14:39 ` [PATCH 25/27] HID: wacom: leds: fix ordering of LED banks Benjamin Tissoires
2016-07-12  1:52   ` Peter Hutterer
2016-07-05 14:39 ` [PATCH 26/27] HID: wacom: leds: handle the switch of the LEDs directly in the kernel Benjamin Tissoires
2016-07-05 15:58   ` kbuild test robot
2016-07-05 21:32     ` Benjamin Tissoires
2016-07-05 14:39 ` [PATCH 27/27] HID: wacom: leds: handle Cintiq 24HD leds buttons Benjamin Tissoires
2016-07-05 16:19   ` kbuild test robot

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