From e37631eea759ba2023328b47763c6e3be6d87b98 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Benjamin=20Cab=C3=A9?= <benjamin@zephyrproject.org>
Date: Sat, 7 Jun 2025 22:03:42 +0200
Subject: [PATCH] drivers: dac: max22017: return negative errno
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Changed the return value for unsupported channel from ENOTSUP to -ENOTSUP

Signed-off-by: Benjamin Cabé <benjamin@zephyrproject.org>
---
 drivers/dac/dac_max22017.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/dac/dac_max22017.c b/drivers/dac/dac_max22017.c
index a7c5f07dd32..44b32d340cc 100644
--- a/drivers/dac/dac_max22017.c
+++ b/drivers/dac/dac_max22017.c
@@ -102,7 +102,7 @@ static int max22017_write_value(const struct device *dev, uint8_t channel, uint3
 
 	if (channel > config->nchannels - 1) {
 		LOG_ERR("unsupported channel %d", channel);
-		return ENOTSUP;
+		return -ENOTSUP;
 	}
 
 	if (value >= (1 << config->resolution)) {