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authorPing Cheng <pingc@wacom.com>2010-04-19 11:10:50 -0700
committerGreg Kroah-Hartman <gregkh@suse.de>2010-04-26 07:41:34 -0700
commit4186c4e6ebec12c705065b353c5fd7a1a87eea7d (patch)
treeae191ffdf082236ad85da072b9a78bc8a4f1b572 /drivers/input
parentea50da76fac43bf45365862110d3c19247411896 (diff)
Input: wacom - switch mode upon system resume
commit 014f61504af276ba9d9544d8a7401d8f8526eb73 upstream. When Wacom devices wake up from a sleep, the switch mode command (wacom_query_tablet_data) is needed before wacom_open is called. wacom_query_tablet_data should not be executed inside wacom_open since wacom_open is called more than once during probe. Reported-and-tested-by: Anton Anikin <Anton@Anikin.name> Signed-off-by: Ping Cheng <pingc@wacom.com> Signed-off-by: Dmitry Torokhov <dtor@mail.ru> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/input')
-rw-r--r--drivers/input/tablet/wacom_sys.c10
1 files changed, 7 insertions, 3 deletions
diff --git a/drivers/input/tablet/wacom_sys.c b/drivers/input/tablet/wacom_sys.c
index b5b69cc0aaf0..69fc4b8d8738 100644
--- a/drivers/input/tablet/wacom_sys.c
+++ b/drivers/input/tablet/wacom_sys.c
@@ -562,11 +562,15 @@ static int wacom_resume(struct usb_interface *intf)
int rv;
mutex_lock(&wacom->lock);
- if (wacom->open) {
+
+ /* switch to wacom mode first */
+ wacom_query_tablet_data(intf);
+
+ if (wacom->open)
rv = usb_submit_urb(wacom->irq, GFP_NOIO);
- wacom_query_tablet_data(intf);
- } else
+ else
rv = 0;
+
mutex_unlock(&wacom->lock);
return rv;