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Commit f4cce696 authored by Chanwoo Choi's avatar Chanwoo Choi Committed by Greg Kroah-Hartman
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Extcon: Notify changed state for only one cable to notifee 



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: default avatarChanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: default avatarMyungjoo Ham <myungjoo.ham@samsung.com>
Signed-off-by: default avatarKyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent a1d26ac0

drivers/extcon/extcon_class.c

+8 −1
Original line number Diff line number Diff line
@@ -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;