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Message-ID: <20250430060239.12085-2-clamor95@gmail.com>
Date: Wed, 30 Apr 2025 09:02:39 +0300
From: Svyatoslav Ryhel <clamor95@...il.com>
To: Iskren Chernev <me@...ren.info>,
Krzysztof Kozlowski <krzk@...nel.org>,
Marek Szyprowski <m.szyprowski@...sung.com>,
Matheus Castello <matheus@...tello.eng.br>,
Sebastian Reichel <sre@...nel.org>,
Jonathan Cameron <jic23@...nel.org>,
Svyatoslav Ryhel <clamor95@...il.com>
Cc: linux-pm@...r.kernel.org,
linux-kernel@...r.kernel.org
Subject: [PATCH v1 1/1] power: supply: max17040: adjust thermal channel scaling
IIO thermal channel is in millidegree while power supply framework expects
decidegree values. Adjust scaling to get correct readings.
Signed-off-by: Svyatoslav Ryhel <clamor95@...il.com>
---
drivers/power/supply/max17040_battery.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/drivers/power/supply/max17040_battery.c b/drivers/power/supply/max17040_battery.c
index 51310f6e4803..c1640bc6accd 100644
--- a/drivers/power/supply/max17040_battery.c
+++ b/drivers/power/supply/max17040_battery.c
@@ -410,8 +410,9 @@ static int max17040_get_property(struct power_supply *psy,
if (!chip->channel_temp)
return -ENODATA;
- iio_read_channel_processed_scale(chip->channel_temp,
- &val->intval, 10);
+ iio_read_channel_processed(chip->channel_temp, &val->intval);
+ val->intval /= 100; /* Convert from milli- to deci-degree */
+
break;
default:
return -EINVAL;
--
2.48.1
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