radio-iris: Configure repeat count for PS string

- When FM Rx tuned to a station, not receiving complete PS string.
  SOC is not waiting for complete PS string. it is sending PS event
  even if it has part of PS string as well.
- Added support for setting repeat count for PS string
  to get refined PS string from receiver.

CRs-Fixed: 474719
Change-Id: I71c0c1c8af9488573c05d816c37982f9ed935a87
Signed-off-by: Venkateshwarlu Domakonda <Venkateshwarlu@codeaurora.org>
diff --git a/drivers/media/radio/radio-iris.c b/drivers/media/radio/radio-iris.c
index 153552d..d673713 100644
--- a/drivers/media/radio/radio-iris.c
+++ b/drivers/media/radio/radio-iris.c
@@ -3790,6 +3790,27 @@
 		if (retval < 0)
 			FMDERR("set CF0 Threshold failed\n");
 		break;
+	case V4L2_CID_PRIVATE_RXREPEATCOUNT:
+		rd.mode = RDS_PS0_XFR_MODE;
+		rd.length = RDS_PS0_LEN;
+		rd.param_len = 0;
+		rd.param = 0;
+
+		retval = hci_def_data_read(&rd, radio->fm_hdev);
+		if (retval < 0) {
+			FMDERR("default data read failed for PS0 %x", retval);
+			return retval;
+		}
+		wrd.mode = RDS_PS0_XFR_MODE;
+		wrd.length = RDS_PS0_LEN;
+		memcpy(&wrd.data, &radio->default_data.data,
+				radio->default_data.ret_data_len);
+		wrd.data[RX_REPEATE_BYTE_OFFSET] = ctrl->value;
+
+		retval = hci_def_data_write(&wrd, radio->fm_hdev);
+		if (retval < 0)
+			FMDERR("set RxRePeat count failed\n");
+		break;
 	default:
 		retval = -EINVAL;
 	}
diff --git a/include/media/radio-iris-commands.h b/include/media/radio-iris-commands.h
index d41baa9..0b3331a 100644
--- a/include/media/radio-iris-commands.h
+++ b/include/media/radio-iris-commands.h
@@ -71,6 +71,7 @@
 	V4L2_CID_PRIVATE_CF0TH12,
 	V4L2_CID_PRIVATE_SINRFIRSTSTAGE,
 	V4L2_CID_PRIVATE_RMSSIFIRSTSTAGE,
+	V4L2_CID_PRIVATE_RXREPEATCOUNT,
 
 	/*using private CIDs under userclass*/
 	V4L2_CID_PRIVATE_IRIS_READ_DEFAULT = 0x00980928,
diff --git a/include/media/radio-iris.h b/include/media/radio-iris.h
index 53602c5..d6151c0 100644
--- a/include/media/radio-iris.h
+++ b/include/media/radio-iris.h
@@ -73,6 +73,9 @@
 #define CF0TH12_BYTE4_OFFSET   11
 #define MAX_SINR_FIRSTSTAGE	127
 #define MAX_RMSSI_FIRSTSTAGE	127
+#define RDS_PS0_XFR_MODE 0x01
+#define RDS_PS0_LEN 6
+#define RX_REPEATE_BYTE_OFFSET 5
 
 /* HCI timeouts */
 #define RADIO_HCI_TIMEOUT	(10000)	/* 10 seconds */