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cmd: adc: Report return value on error

Reporting the return value should always be done on error conditions,
this way the developer can start debugging issues with more knowledge
in-hand.

Signed-off-by: Samuel Dionne-Riel <samuel@dionne-riel.com>
Samuel Dionne-Riel 2 years ago
parent
commit
4a05497a8c
1 changed files with 2 additions and 2 deletions
  1. 2 2
      cmd/adc.c

+ 2 - 2
cmd/adc.c

@@ -81,8 +81,8 @@ static int do_adc_single(struct cmd_tbl *cmdtp, int flag, int argc,
 	ret = adc_channel_single_shot(argv[1], simple_strtol(argv[2], NULL, 0),
 				      &data);
 	if (ret) {
-		printf("Error getting single shot for device %s channel %s\n",
-		       argv[1], argv[2]);
+		printf("Error getting single shot for device %s channel %s (ret=%d)\n",
+		       argv[1], argv[2], ret);
 		return CMD_RET_FAILURE;
 	}