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Commit 156edb99 authored by Vasko Kalanoski's avatar Vasko Kalanoski Committed by Gerrit - the friendly Code Review server
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msm: camera: update power state of sensor when occurred shutdown 



update power state of sensor and do power down procedure when
camera is closed unexpectedly with shutdown/release to prevent
of crash

Change-Id: I8972d2cc6a7e435de5c26007eb22a1689b5378a2
Signed-off-by: default avatarVasko Kalanoski <vaskok@codeaurora.org>
parent 64590efd

drivers/media/platform/msm/camera_v2/sensor/msm_sensor.c

+19 −1
Original line number Diff line number Diff line 
/* Copyright (c) 2011-2014, The Linux Foundation. All rights reserved.

/* Copyright (c) 2011-2015, 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
@@ -575,12 +575,30 @@ static struct msm_sensor_ctrl_t *get_sctrl(struct v4l2_subdev *sd) 


static void msm_sensor_stop_stream(struct msm_sensor_ctrl_t *s_ctrl)

{

	int32_t rc = 0;



	mutex_lock(s_ctrl->msm_sensor_mutex);

	if (s_ctrl->sensor_state == MSM_SENSOR_POWER_UP) {

		s_ctrl->sensor_i2c_client->i2c_func_tbl->i2c_write_table(

			s_ctrl->sensor_i2c_client, &s_ctrl->stop_setting);

		kfree(s_ctrl->stop_setting.reg_setting);

		s_ctrl->stop_setting.reg_setting = NULL;



		if (s_ctrl->func_tbl->sensor_power_down) {

			if (s_ctrl->sensordata->misc_regulator)

				msm_sensor_misc_regulator(s_ctrl, 0);



			rc = s_ctrl->func_tbl->sensor_power_down(s_ctrl);

			if (rc < 0) {

				pr_err("%s:%d failed rc %d\n", __func__,

					__LINE__, rc);

			}

			s_ctrl->sensor_state = MSM_SENSOR_POWER_DOWN;

			CDBG("%s:%d sensor state %d\n", __func__, __LINE__,

				s_ctrl->sensor_state);

		} else {

			pr_err("s_ctrl->func_tbl NULL\n");

		}

	}

	mutex_unlock(s_ctrl->msm_sensor_mutex);

	return;