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Commit 2fe9f37f authored by Vijay kumar Tumati's avatar Vijay kumar Tumati
Browse files

msm: camera: Handle actuator close before power down 



In case when userspace process is killed, actuator
subdev is first closed and then power down is called.
In this sequence, we need to handle actuator states
properly to shutdown all the regulators during close.

Change-Id: I843b463a1b576971e16d1554ded20984dd0ec436
Signed-off-by: default avatarVijay kumar Tumati <vtumati@codeaurora.org>
parent 6b83a15e

drivers/media/platform/msm/camera_v2/sensor/actuator/msm_actuator.c

+8 −1
Original line number Diff line number Diff line 
/* Copyright (c) 2011-2017, The Linux Foundation. All rights reserved.

/* Copyright (c) 2011-2018, 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
@@ -1571,6 +1571,13 @@ static int msm_actuator_close(struct v4l2_subdev *sd, 
	}

	kfree(a_ctrl->i2c_reg_tbl);

	a_ctrl->i2c_reg_tbl = NULL;

	if (a_ctrl->actuator_state == ACT_OPS_ACTIVE) {

		rc = msm_actuator_power_down(a_ctrl);

		if (rc < 0) {

			pr_err("%s:%d Actuator Power down failed\n",

				__func__, __LINE__);

		}

	}

	a_ctrl->actuator_state = ACT_DISABLE_STATE;

	mutex_unlock(a_ctrl->actuator_mutex);

	CDBG("Exit\n");