dsp: Mark cal block after use

After applying calibration on DSP, cal block
is marked stale to ensure same calibration is not
reused for future usecase.

Change-Id: I9f446c0602f4ab34ca71b9d2611319624fb19cd2
Signed-off-by: Vikram Panduranga <vpandura@codeaurora.org>
diff --git a/asoc/msm-pcm-routing-v2.c b/asoc/msm-pcm-routing-v2.c
index 417cbc0..bab28d1 100644
--- a/asoc/msm-pcm-routing-v2.c
+++ b/asoc/msm-pcm-routing-v2.c
@@ -985,6 +985,9 @@
 		cal_block = list_entry(ptr,
 			struct cal_block_data, list);
 
+		if (cal_utils_is_cal_stale(cal_block))
+			continue;
+
 		if (((struct audio_cal_info_adm_top *)cal_block
 			->cal_info)->path == path) {
 			return cal_block;
@@ -1012,6 +1015,9 @@
 		cal_block = list_entry(ptr,
 			struct cal_block_data, list);
 
+		if (cal_utils_is_cal_stale(cal_block))
+			continue;
+
 		cal_info = (struct audio_cal_info_adm_top *)
 			cal_block->cal_info;
 		if ((cal_info->path == path)  &&
@@ -1045,6 +1051,11 @@
 	return topology;
 }
 
+/*
+ * Retrieving cal_block will mark cal_block as stale.
+ * Hence it cannot be reused or resent unless the flag
+ * is reset.
+ */
 static int msm_routing_get_adm_topology(int fedai_id, int session_type,
 					int be_id)
 {
@@ -1534,7 +1545,7 @@
 			if ((copp_idx < 0) ||
 				(copp_idx >= MAX_COPPS_PER_PORT)) {
 				pr_err("%s: adm open failed copp_idx:%d\n",
-					__func__, copp_idx);
+				       __func__, copp_idx);
 				mutex_unlock(&routing_lock);
 				return -EINVAL;
 			}