xiaoxiang781216 commented on code in PR #10855:
URL: https://github.com/apache/nuttx/pull/10855#discussion_r1346232022
##########
arch/arm/src/samv7/sam_afec.c:
##########
@@ -1021,20 +1025,53 @@ static int afec_ioctl(struct adc_dev_s *dev, int cmd,
unsigned long arg)
}
break;
#endif
- case ANIOC_GET_NCHANNELS:
- {
- /* Return the number of configured channels */
-
- ret = priv->nchannels;
- }
- break;
-
- default:
- {
- aerr("ERROR: Unknown cmd: %d\n", cmd);
- ret = -ENOTTY;
- }
- break;
+ case ANIOC_GET_NCHANNELS:
+ {
+ /* Return the number of configured channels */
+
+ ret = priv->nchannels;
+ }
+ break;
+ case ANIOC_SAMV7_AFEC_IOCTRL_GAIN:
+ {
+ /* Set the requested gain of the associated channel */
+
+ sam_afec_gain_param_tds *chgain = (sam_afec_gain_param_tds *) arg;
Review Comment:
```suggestion
sam_afec_gain_param_tds *chgain = (sam_afec_gain_param_tds *)arg;
```
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