From 58897204a1f94be495fd153d5a4afb7519ac92ac Mon Sep 17 00:00:00 2001
From: RichardG867 <richardg867@gmail.com>
Date: Mon, 7 Dec 2020 21:39:53 -0300
Subject: [PATCH] Fix i2c_stop never called by i2c_gpio

---
 src/device/i2c_gpio.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/device/i2c_gpio.c b/src/device/i2c_gpio.c
index 91c2d370b..e3902baaa 100644
--- a/src/device/i2c_gpio.c
+++ b/src/device/i2c_gpio.c
@@ -95,11 +95,15 @@ i2c_gpio_set(void *dev_handle, uint8_t scl, uint8_t sda)
 		i2c_gpio_log(2, "I2C GPIO %s: Start condition\n", dev->bus_name);
 		dev->started = 1;
 		dev->pos = 0;
+		dev->slave_addr = 0xff;
 		dev->slave_read = 2; /* start with address transfer */
 		dev->slave_sda = 1;
 	} else if (!dev->prev_sda && sda) {
 		i2c_gpio_log(2, "I2C GPIO %s: Stop condition\n", dev->bus_name);
 		dev->started = 0;
+		if (dev->slave_addr != 0xff)
+			i2c_stop(dev->i2c, dev->slave_addr);
+		dev->slave_addr = 0xff;
 		dev->slave_sda = 1;
 	}
     } else if (!dev->prev_scl && scl && dev->started) {