[hwmon PATCH v3 5/6] hwmon: (adt7470) Fix temperature alarm logic in hwmon_temp_read()

[Luiz Angelo Daros de Luca]

During the conversion the alarm callback started interpreting the
channel index as an alarm bitmask, resulting in incorrect alarm
reporting. Compute the proper alarm bit instead.

Reported-by: sashiko-bot@xxxxxxxxxx
Closes: https://lore.kernel.org/r/20260717211224.B9E291F000E9@xxxxxxxxxxxxxxx
Fixes: fc958a61ff6d ("hwmon: (adt7470) Convert to devm_hwmon_device_register_with_info API")'
Signed-off-by: Luiz Angelo Daros de Luca <luizluca@xxxxxxxxx>
---
 drivers/hwmon/adt7470.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/hwmon/adt7470.c b/drivers/hwmon/adt7470.c
index a34635526aaa..f1150f0fe217 100644
--- a/drivers/hwmon/adt7470.c
+++ b/drivers/hwmon/adt7470.c
@@ -569,7 +569,7 @@ static int adt7470_temp_read(struct device *dev, u32 attr, int channel, long *va
 		*val = 1000 * data->temp_max[channel];
 		break;
 	case hwmon_temp_alarm:
-		*val = !!(data->alarm & channel);
+		*val = !!(data->alarm & BIT(channel));
 		break;
 	default:
 		return -EOPNOTSUPP;

-- 
2.55.0