Merge "msm: camera: isp: use a spin_lock instead of a rwlock" into dev/msm-4.9-camx
diff --git a/drivers/media/platform/msm/camera/cam_sensor_module/cam_flash/cam_flash_core.c b/drivers/media/platform/msm/camera/cam_sensor_module/cam_flash/cam_flash_core.c
index 55da264..c977fc4 100644
--- a/drivers/media/platform/msm/camera/cam_sensor_module/cam_flash/cam_flash_core.c
+++ b/drivers/media/platform/msm/camera/cam_sensor_module/cam_flash/cam_flash_core.c
@@ -17,7 +17,7 @@
 #include "cam_res_mgr_api.h"
 
 int cam_flash_prepare(struct cam_flash_ctrl *flash_ctrl,
-	enum cam_flash_state state)
+	bool regulator_enable)
 {
 	int rc = 0;
 
@@ -26,7 +26,7 @@ int cam_flash_prepare(struct cam_flash_ctrl *flash_ctrl,
 		return -EINVAL;
 	}
 
-	if ((state == CAM_FLASH_STATE_START) &&
+	if (regulator_enable &&
 		(flash_ctrl->is_regulator_enabled == false)) {
 		rc = qpnp_flash_led_prepare(flash_ctrl->switch_trigger,
 			ENABLE_REGULATOR, NULL);
@@ -37,7 +37,7 @@ int cam_flash_prepare(struct cam_flash_ctrl *flash_ctrl,
 		}
 		flash_ctrl->is_regulator_enabled = true;
 		flash_ctrl->flash_state = CAM_FLASH_STATE_START;
-	} else if ((state == CAM_FLASH_STATE_STOP) &&
+	} else if ((!regulator_enable) &&
 		(flash_ctrl->is_regulator_enabled == true)) {
 		rc = qpnp_flash_led_prepare(flash_ctrl->switch_trigger,
 			DISABLE_REGULATOR, NULL);
@@ -323,18 +323,13 @@ int cam_flash_apply_setting(struct cam_flash_ctrl *fctrl,
 						rc);
 					goto nrt_del_req;
 				}
-				fctrl->flash_state =
-						CAM_FLASH_STATE_LOW;
 			} else if (flash_data->opcode ==
 				CAMERA_SENSOR_FLASH_OP_OFF) {
-				if (fctrl->flash_state ==
-					CAM_FLASH_STATE_LOW) {
-					rc = cam_flash_off(fctrl);
-					if (rc)
-						CAM_ERR(CAM_FLASH,
-						"LED off failed: %d",
-						rc);
-				}
+				rc = cam_flash_off(fctrl);
+				if (rc)
+					CAM_ERR(CAM_FLASH,
+					"LED off failed: %d",
+					rc);
 			}
 		} else if (fctrl->nrt_info.cmn_attr.cmd_type ==
 			CAMERA_SENSOR_FLASH_CMD_TYPE_RER) {
@@ -360,8 +355,6 @@ int cam_flash_apply_setting(struct cam_flash_ctrl *fctrl,
 							"Fire Torch Failed");
 						goto nrt_del_req;
 					}
-					fctrl->flash_state =
-						CAM_FLASH_STATE_LOW;
 
 					usleep_range(
 					flash_data->led_on_delay_ms * 1000,
@@ -398,7 +391,6 @@ int cam_flash_apply_setting(struct cam_flash_ctrl *fctrl,
 						rc);
 					goto apply_setting_err;
 				}
-				fctrl->flash_state = CAM_FLASH_STATE_HIGH;
 			}
 		} else if ((flash_data->opcode ==
 			CAMERA_SENSOR_FLASH_OP_FIRELOW) &&
@@ -413,19 +405,15 @@ int cam_flash_apply_setting(struct cam_flash_ctrl *fctrl,
 						rc);
 					goto apply_setting_err;
 				}
-				fctrl->flash_state = CAM_FLASH_STATE_LOW;
 			}
 		} else if ((flash_data->opcode == CAMERA_SENSOR_FLASH_OP_OFF) &&
 			(flash_data->cmn_attr.is_settings_valid) &&
 			(flash_data->cmn_attr.request_id == req_id)) {
-			if ((fctrl->flash_state == CAM_FLASH_STATE_LOW) ||
-				(fctrl->flash_state == CAM_FLASH_STATE_HIGH)) {
-				rc = cam_flash_off(fctrl);
-				if (rc) {
-					CAM_ERR(CAM_FLASH,
-						"Flash off failed %d", rc);
-					goto apply_setting_err;
-				}
+			rc = cam_flash_off(fctrl);
+			if (rc) {
+				CAM_ERR(CAM_FLASH,
+					"Flash off failed %d", rc);
+				goto apply_setting_err;
 			}
 		} else {
 			CAM_DBG(CAM_FLASH, "NOP opcode: req_id: %u", req_id);
@@ -553,6 +541,13 @@ int cam_flash_parser(struct cam_flash_ctrl *fctrl, void *arg)
 		case CAMERA_SENSOR_FLASH_CMD_TYPE_FIRE: {
 			CAM_DBG(CAM_FLASH,
 				"CAMERA_FLASH_CMD_TYPE_OPS case called");
+			if (fctrl->flash_state != CAM_FLASH_STATE_START) {
+				CAM_ERR(CAM_FLASH,
+					"Rxed Update packets without linking");
+				fctrl->per_frame[frame_offset].
+					cmn_attr.is_settings_valid = false;
+				return -EINVAL;
+			}
 			flash_operation_info =
 				(struct cam_flash_set_on_off *) cmd_buf;
 			if (!flash_operation_info) {
@@ -668,6 +663,14 @@ int cam_flash_parser(struct cam_flash_ctrl *fctrl, void *arg)
 		break;
 	}
 	case CAM_PKT_NOP_OPCODE: {
+		if (fctrl->flash_state != CAM_FLASH_STATE_START) {
+			CAM_ERR(CAM_FLASH,
+				"Rxed Update packets without linking");
+			fctrl->per_frame[frame_offset].
+				cmn_attr.is_settings_valid = false;
+			return -EINVAL;
+		}
+
 		CAM_DBG(CAM_FLASH, "NOP Packet is Received: req_id: %u",
 			csl_packet->header.request_id);
 		goto update_req_mgr;
@@ -739,9 +742,7 @@ int cam_flash_stop_dev(struct cam_flash_ctrl *fctrl)
 {
 	int rc = 0, i, j;
 
-	if ((fctrl->flash_state == CAM_FLASH_STATE_LOW) ||
-		(fctrl->flash_state == CAM_FLASH_STATE_HIGH))
-		cam_flash_off(fctrl);
+	cam_flash_off(fctrl);
 
 	for (i = 0; i < MAX_PER_FRAME_ARRAY; i++) {
 		fctrl->per_frame[i].cmn_attr.request_id = 0;
@@ -760,7 +761,7 @@ int cam_flash_stop_dev(struct cam_flash_ctrl *fctrl)
 
 	if ((fctrl->flash_state == CAM_FLASH_STATE_START) &&
 		(fctrl->is_regulator_enabled == true)) {
-		rc = cam_flash_prepare(fctrl, CAM_FLASH_STATE_STOP);
+		rc = cam_flash_prepare(fctrl, false);
 		if (rc)
 			CAM_ERR(CAM_FLASH, "Disable Regulator Failed rc: %d",
 				rc);
diff --git a/drivers/media/platform/msm/camera/cam_sensor_module/cam_flash/cam_flash_core.h b/drivers/media/platform/msm/camera/cam_sensor_module/cam_flash/cam_flash_core.h
index d5ea04c..f73409a 100644
--- a/drivers/media/platform/msm/camera/cam_sensor_module/cam_flash/cam_flash_core.h
+++ b/drivers/media/platform/msm/camera/cam_sensor_module/cam_flash/cam_flash_core.h
@@ -28,7 +28,7 @@ int cam_flash_process_evt(struct cam_req_mgr_link_evt_data *event_data);
 int cam_flash_flush_request(struct cam_req_mgr_flush_request *flush);
 int cam_flash_off(struct cam_flash_ctrl *fctrl);
 int cam_flash_prepare(struct cam_flash_ctrl *flash_ctrl,
-	enum cam_flash_state state);
+	bool regulator_enable);
 void cam_flash_shutdown(struct cam_flash_ctrl *flash_ctrl);
 int cam_flash_stop_dev(struct cam_flash_ctrl *flash_ctrl);
 int cam_flash_release_dev(struct cam_flash_ctrl *fctrl);
diff --git a/drivers/media/platform/msm/camera/cam_sensor_module/cam_flash/cam_flash_dev.c b/drivers/media/platform/msm/camera/cam_sensor_module/cam_flash/cam_flash_dev.c
index 2b371a3..e00d4fd 100644
--- a/drivers/media/platform/msm/camera/cam_sensor_module/cam_flash/cam_flash_dev.c
+++ b/drivers/media/platform/msm/camera/cam_sensor_module/cam_flash/cam_flash_dev.c
@@ -139,7 +139,7 @@ static int32_t cam_flash_driver_cmd(struct cam_flash_ctrl *fctrl,
 			goto release_mutex;
 		}
 
-		rc = cam_flash_prepare(fctrl, CAM_FLASH_STATE_START);
+		rc = cam_flash_prepare(fctrl, true);
 		if (rc) {
 			CAM_ERR(CAM_FLASH,
 				"Enable Regulator Failed rc = %d", rc);
diff --git a/drivers/media/platform/msm/camera/cam_sensor_module/cam_flash/cam_flash_dev.h b/drivers/media/platform/msm/camera/cam_sensor_module/cam_flash/cam_flash_dev.h
index bacf088..a1f8f67 100644
--- a/drivers/media/platform/msm/camera/cam_sensor_module/cam_flash/cam_flash_dev.h
+++ b/drivers/media/platform/msm/camera/cam_sensor_module/cam_flash/cam_flash_dev.h
@@ -51,9 +51,6 @@ enum cam_flash_state {
 	CAM_FLASH_STATE_INIT,
 	CAM_FLASH_STATE_ACQUIRE,
 	CAM_FLASH_STATE_START,
-	CAM_FLASH_STATE_LOW,
-	CAM_FLASH_STATE_HIGH,
-	CAM_FLASH_STATE_STOP,
 };
 
 /**
diff --git a/drivers/media/platform/msm/camera/cam_sensor_module/cam_sensor/cam_sensor_core.c b/drivers/media/platform/msm/camera/cam_sensor_module/cam_sensor/cam_sensor_core.c
index 97158e4..ec37c84 100644
--- a/drivers/media/platform/msm/camera/cam_sensor_module/cam_sensor/cam_sensor_core.c
+++ b/drivers/media/platform/msm/camera/cam_sensor_module/cam_sensor/cam_sensor_core.c
@@ -165,6 +165,11 @@ static int32_t cam_sensor_i2c_pkt_parse(struct cam_sensor_ctrl_t *s_ctrl,
 	}
 
 	case CAM_SENSOR_PACKET_OPCODE_SENSOR_UPDATE: {
+		if (s_ctrl->sensor_state != CAM_SENSOR_START) {
+			CAM_ERR(CAM_SENSOR,
+				"Rxed Update packets without linking");
+			return -EINVAL;
+		}
 		i2c_reg_settings =
 			&i2c_data->
 			per_frame[csl_packet->header.request_id %
@@ -185,6 +190,12 @@ static int32_t cam_sensor_i2c_pkt_parse(struct cam_sensor_ctrl_t *s_ctrl,
 	break;
 	}
 	case CAM_SENSOR_PACKET_OPCODE_SENSOR_NOP: {
+		if (s_ctrl->sensor_state != CAM_SENSOR_START) {
+			CAM_ERR(CAM_SENSOR,
+				"Rxed Update packets without linking");
+			return -EINVAL;
+		}
+
 		cam_sensor_update_req_mgr(s_ctrl, csl_packet);
 		return rc;
 	}
@@ -1000,7 +1011,6 @@ int cam_sensor_apply_settings(struct cam_sensor_ctrl_t *s_ctrl,
 					return rc;
 				}
 			}
-			i2c_set->is_settings_valid = 0;
 		}
 	} else {
 		offset = req_id % MAX_PER_FRAME_ARRAY;