Techwizz/kernel-fxtec-pro1x
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity

Extcon: Notify changed state for only one cable to notifee

Browse source 
This patch inform the state of only one cable instead of previous data
including the state of 32 cables to notifee which use
extcon_register_interest()
function to monitor whether the specific cable is attachd or detached.

Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: Myungjoo Ham <myungjoo.ham@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Chanwoo Choi 2012-04-27 15:17:28 +09:00 committed by Greg Kroah-Hartman
parent a1d26ac0dd
commit f4cce69611
1 changed files with 8 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

9
drivers/extcon/extcon_class.c
View file

@ -425,8 +425,15 @@ static int _call_per_cable(struct notifier_block *nb, unsigned long val,
if ((val & (1 << obj->cable_index)) !=
(edev->state & (1 << obj->cable_index))) {
bool cable_state = true;
obj->previous_value = val;
return obj->user_nb->notifier_call(obj->user_nb, val, ptr);
if (val & (1 << obj->cable_index))
cable_state = false;
return obj->user_nb->notifier_call(obj->user_nb,
cable_state, ptr);
}
return NOTIFY_OK;