From 5473a51342dcf5094705723b3978d9dfa6563d6e Mon Sep 17 00:00:00 2001
From: SPRESENSE <41312067+SPRESENSE@users.noreply.github.com>
Date: Mon, 20 May 2024 12:25:29 +0900
Subject: [PATCH] boards: cxd56xx: Fix read position in cxd5610 gnss driver

Add process to reset read position after read is complete
to fix NMEA output with DC report.
---
 boards/arm/cxd56xx/drivers/sensors/cxd5610_gnss.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/boards/arm/cxd56xx/drivers/sensors/cxd5610_gnss.c b/boards/arm/cxd56xx/drivers/sensors/cxd5610_gnss.c
index d75c3fd770948..2b0dabcddf92d 100644
--- a/boards/arm/cxd56xx/drivers/sensors/cxd5610_gnss.c
+++ b/boards/arm/cxd56xx/drivers/sensors/cxd5610_gnss.c
@@ -1905,6 +1905,10 @@ static ssize_t cxd5610_gnss_read(struct file *filep, char *buffer,
 
   cxd5610_gnss_buffer_unlock(priv);
 
+  /* Reset read position after read is complete */
+
+  filep->f_pos = 0;
+
   cxd5610_gnss_device_unlock(priv);
   return len;
 }