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Commit 2777d2ed authored by Junzhe Zou's avatar Junzhe Zou
Browse files

msm: camera: lrme: increment open count correctly 



Increment open count correctly and send stop command
in camera core even if param is NULL since LRME uses
it as an integer.

Change-Id: I85ed1d91d6900a67248933bc9a24bcc3caa5e04f
Signed-off-by: default avatarJunzhe Zou <jnzhezou@codeaurora.org>
parent a418fe22

drivers/media/platform/msm/camera/cam_core/cam_context_utils.c

+3 −4
Original line number Diff line number Diff line
@@ -502,9 +502,8 @@ int32_t cam_context_stop_dev_to_hw(struct cam_context *ctx) 
	mutex_unlock(&ctx->sync_mutex);



	/* stop hw first */

	if (ctx->ctxt_to_hw_map) {

	if (ctx->hw_mgr_intf->hw_stop) {

		stop.ctxt_to_hw_map = ctx->ctxt_to_hw_map;

		if (ctx->hw_mgr_intf->hw_stop)

		ctx->hw_mgr_intf->hw_stop(ctx->hw_mgr_intf->hw_mgr_priv,

			&stop);

	}

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

+5 −0
Original line number Diff line number Diff line
@@ -634,6 +634,7 @@ int cam_lrme_hw_start(void *hw_priv, void *hw_start_args, uint32_t arg_size) 
	mutex_lock(&lrme_hw->hw_mutex);



	if (lrme_hw->open_count > 0) {

		lrme_hw->open_count++;

		CAM_DBG(CAM_LRME, "This device is activated before");

		goto unlock;

	}
@@ -665,6 +666,7 @@ int cam_lrme_hw_start(void *hw_priv, void *hw_start_args, uint32_t arg_size) 
	lrme_hw->open_count++;

	lrme_core->state = CAM_LRME_CORE_STATE_IDLE;



	CAM_DBG(CAM_LRME, "open count %d", lrme_hw->open_count);

	mutex_unlock(&lrme_hw->hw_mutex);

	return rc;
@@ -672,6 +674,7 @@ int cam_lrme_hw_start(void *hw_priv, void *hw_start_args, uint32_t arg_size) 
	if (cam_lrme_soc_disable_resources(lrme_hw))

		CAM_ERR(CAM_LRME, "Error in disable soc resources");

unlock:

	CAM_DBG(CAM_LRME, "open count %d", lrme_hw->open_count);

	mutex_unlock(&lrme_hw->hw_mutex);

	return rc;

}
@@ -698,6 +701,8 @@ int cam_lrme_hw_stop(void *hw_priv, void *hw_stop_args, uint32_t arg_size) 
	}

	lrme_hw->open_count--;



	CAM_DBG(CAM_LRME, "open count %d", lrme_hw->open_count);



	if (lrme_hw->open_count)

		goto unlock;