Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 3cc9efe5 authored by Prakasha Nayak's avatar Prakasha Nayak Committed by Gerrit - the friendly Code Review server
Browse files

msm: camera: lrme: Check the HW state before access register 



Check the hardware state before processing irq.
Return from function if hardware is off to avoid NOC error.

Change-Id: I45f309d98c737d60e5f8b579f04577b07358bcfb
Signed-off-by: default avatarPrakasha Nayak <pnayak@codeaurora.org>
parent fe47cf3d

drivers/media/platform/msm/camera/cam_lrme/lrme_hw_mgr/lrme_hw/cam_lrme_hw_core.c

+6 −1
Original line number Diff line number Diff line 
/* Copyright (c) 2017-2018, The Linux Foundation. All rights reserved.

/* Copyright (c) 2017-2019, The Linux Foundation. All rights reserved.

 *

 * This program is free software; you can redistribute it and/or modify

 * it under the terms of the GNU General Public License version 2 and
@@ -734,6 +734,11 @@ int cam_lrme_hw_process_irq(void *priv, void *data) 


	mutex_lock(&lrme_hw->hw_mutex);



	if (lrme_hw->hw_state == CAM_HW_STATE_POWER_DOWN) {

		CAM_DBG(CAM_LRME, "LRME HW is in off state");

		goto end;

	}



	if (top_irq_status & (1 << 3)) {

		CAM_DBG(CAM_LRME, "Error");

		rc = cam_lrme_hw_util_process_err(lrme_hw);