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: Ibaf8014deada205f964eedf57b2128e495d30b5e
Signed-off-by: Junzhe Zou <jnzhezou@codeaurora.org>

parent 9a66dbb2

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
		@@ -739,6 +739,11 @@ 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);