From 765ac4955768cc43dd19a93108c6a66198e60c87 Mon Sep 17 00:00:00 2001
From: Sjoerd Simons <sjoerd@luon.net>
Date: Sun, 1 Nov 2020 22:25:48 +0100
Subject: [PATCH] i2c: Set ack bit on multibyte reads

Enable the ack bit on multibyte (>2) reads otherwise bytes from the
remote device are not acknowledged.

Signed-off-by: Sjoerd Simons <sjoerd@luon.net>
---
 src/i2c.rs | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/i2c.rs b/src/i2c.rs
index a0b0c7d2..ca835710 100644
--- a/src/i2c.rs
+++ b/src/i2c.rs
@@ -533,6 +533,7 @@ where
                 self.nb.i2c.cr1.modify(|_, w| w.ack().set_bit());
             }
             buffer_len => {
+                self.nb.i2c.cr1.modify(|_, w| w.ack().set_bit());
                 self.nb.i2c.sr1.read();
                 self.nb.i2c.sr2.read();