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Commit 73670fdd authored by Mohan Pallaka's avatar Mohan Pallaka Committed by Gerrit - the friendly Code Review server
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leds: qpnp-wled: maintain wled state 



Enable/disable the wled module only if it changes
the state.

Change-Id: I754a7ac23cd5ec6fea1ea2e6d4dd2d3f7c44ed37
Signed-off-by: default avatarMohan Pallaka <mpallaka@codeaurora.org>
parent f5d3db32

drivers/leds/leds-qpnp-wled.c

+10 −5
Original line number Diff line number Diff line
@@ -256,6 +256,7 @@ struct qpnp_wled { 
	bool en_cabc;

	bool disp_type_amoled;

	bool en_ext_pfet_sc_pro;

	bool prev_state;

};



/* helper to read a pmic register */
@@ -690,6 +691,7 @@ static void qpnp_wled_work(struct work_struct *work) 
		}

	}



	if (!!level != wled->prev_state) {

		rc = qpnp_wled_module_en(wled, wled->ctrl_base, !!level);



		if (rc) {
@@ -697,6 +699,9 @@ static void qpnp_wled_work(struct work_struct *work) 
						level ? "en" : "dis");

			goto unlock_mutex;

		}

	}



	wled->prev_state = !!level;

unlock_mutex:

	mutex_unlock(&wled->lock);

}