179 static int pmic8xxx_kp_read_matrix(struct pmic8xxx_kp *kp, u16 *new_state,  in pmic8xxx_kp_read_matrix()  argument
202 	rc = pmic8xxx_kp_read_data(kp, new_state, KEYP_RECENT_DATA,  in pmic8xxx_kp_read_matrix()
227 static void __pmic8xxx_kp_scan_matrix(struct pmic8xxx_kp *kp, u16 *new_state,  in __pmic8xxx_kp_scan_matrix()  argument
233 		int bits_changed = new_state[row] ^ old_state[row];  in __pmic8xxx_kp_scan_matrix()
243 					!(new_state[row] & (1 << col)) ?  in __pmic8xxx_kp_scan_matrix()
251 					!(new_state[row] & (1 << col)));  in __pmic8xxx_kp_scan_matrix()
258 static bool pmic8xxx_detect_ghost_keys(struct pmic8xxx_kp *kp, u16 *new_state)  in pmic8xxx_detect_ghost_keys()  argument
265 		row_state = (~new_state[row]) &  in pmic8xxx_detect_ghost_keys()
284 	u16 new_state[PM8XXX_MAX_ROWS];  in pmic8xxx_kp_scan_matrix()  local
290 		rc = pmic8xxx_kp_read_matrix(kp, new_state, NULL);  in pmic8xxx_kp_scan_matrix()
295 		if (pmic8xxx_detect_ghost_keys(kp, new_state))  in pmic8xxx_kp_scan_matrix()
297 		__pmic8xxx_kp_scan_matrix(kp, new_state, kp->keystate);  in pmic8xxx_kp_scan_matrix()
298 		memcpy(kp->keystate, new_state, sizeof(new_state));  in pmic8xxx_kp_scan_matrix()
301 		rc = pmic8xxx_kp_read_matrix(kp, new_state, old_state);  in pmic8xxx_kp_scan_matrix()
306 		__pmic8xxx_kp_scan_matrix(kp, new_state, old_state);  in pmic8xxx_kp_scan_matrix()
307 		memcpy(kp->keystate, new_state, sizeof(new_state));  in pmic8xxx_kp_scan_matrix()
311 		rc = pmic8xxx_kp_read_matrix(kp, new_state, old_state);  in pmic8xxx_kp_scan_matrix()
315 		__pmic8xxx_kp_scan_matrix(kp, new_state, old_state);  in pmic8xxx_kp_scan_matrix()
316 		memcpy(kp->keystate, new_state, sizeof(new_state));  in pmic8xxx_kp_scan_matrix()
337 	u16 new_state[PM8XXX_MAX_ROWS];  in pmic8xxx_kp_stuck_irq()  local
342 	rc = pmic8xxx_kp_read_matrix(kp, new_state, old_state);  in pmic8xxx_kp_stuck_irq()
348 	__pmic8xxx_kp_scan_matrix(kp, new_state, kp->stuckstate);  in pmic8xxx_kp_stuck_irq()