pkarashchenko commented on code in PR #11595:
URL: https://github.com/apache/nuttx/pull/11595#discussion_r1465502293
##########
arch/arm/src/samv7/sam_dac.c:
##########
@@ -277,7 +341,43 @@ static int dac_setup(struct dac_dev_s *dev)
static void dac_shutdown(struct dac_dev_s *dev)
{
-#warning "Missing logic"
+ struct sam_chan_s *chan = dev->ad_priv;
+
+ /* We can use dac_reset() to disable the channel. */
+
+ chan->inuse = 0;
+ dac_reset(dev);
+
+ /* Decrement number of peripheral users. */
+
+ g_dacmodule.users -= 1;
Review Comment:
minor, optional
```suggestion
g_dacmodule.users--;
```
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