From aed64aaef4724c01a30b1815c0c910ca8b1a5e43 Mon Sep 17 00:00:00 2001
From: Drashna Jaelre <drashna@live.com>
Date: Wed, 15 Dec 2021 13:41:07 -0800
Subject: [Core] Fix Sensor driver code (#15484)

---
 drivers/sensors/pmw3360.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'drivers/sensors/pmw3360.c')

diff --git a/drivers/sensors/pmw3360.c b/drivers/sensors/pmw3360.c
index 7e830cdde0..50d1c35801 100644
--- a/drivers/sensors/pmw3360.c
+++ b/drivers/sensors/pmw3360.c
@@ -143,7 +143,7 @@ void pmw3360_set_cpi(uint16_t cpi) {
 
 uint16_t pmw3360_get_cpi(void) {
     uint8_t cpival = spi_read_adv(REG_Config1);
-    return (uint16_t)(cpival & 0xFF) * 100;
+    return (uint16_t)((cpival + 1) & 0xFF) * 100;
 }
 
 bool pmw3360_init(void) {
-- 
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