* [PATCH v1 0/1] power: supply: generic-adc-battery: Fix temperature IIO channel conversion
@ 2026-09-26 14:29 Svyatoslav Ryhel
2026-09-26 14:29 ` [PATCH v1 1/1] " Svyatoslav Ryhel
0 siblings, 1 reply; 3+ messages in thread
From: Svyatoslav Ryhel @ 2026-09-26 14:29 UTC (permalink / raw)
To: Sebastian Reichel, Linus Walleij, Matti Vaittinen; +Cc: linux-pm, linux-kernel
Temperature IIO channel data is provided in milli-degrees, while
POWER_SUPPLY_PROP_TEMP is expected to be in deci-degrees. Adjust the
existing logic to reflect this conversion properly.
Svyatoslav Ryhel (1):
power: supply: generic-adc-battery: Fix temperature IIO channel
conversion
drivers/power/supply/generic-adc-battery.c | 9 +++++++--
1 file changed, 7 insertions(+), 2 deletions(-)
--
2.53.0
^ permalink raw reply [flat|nested] 3+ messages in thread* [PATCH v1 1/1] power: supply: generic-adc-battery: Fix temperature IIO channel conversion
2026-09-26 14:29 [PATCH v1 0/1] power: supply: generic-adc-battery: Fix temperature IIO channel conversion Svyatoslav Ryhel
@ 2026-09-26 14:29 ` Svyatoslav Ryhel
2026-10-04 17:47 ` Sebastian Reichel
0 siblings, 1 reply; 3+ messages in thread
From: Svyatoslav Ryhel @ 2026-09-26 14:29 UTC (permalink / raw)
To: Sebastian Reichel, Linus Walleij, Matti Vaittinen; +Cc: linux-pm, linux-kernel
Temperature IIO channel data is provided in milli-degrees, while
POWER_SUPPLY_PROP_TEMP is expected to be in deci-degrees. Adjust the
existing logic to reflect this conversion properly.
Fixes: 33088c0513818 ("power: supply: generic-adc-battery: add temperature support")
Signed-off-by: Svyatoslav Ryhel <clamor95@gmail.com>
---
drivers/power/supply/generic-adc-battery.c | 9 +++++++--
1 file changed, 7 insertions(+), 2 deletions(-)
diff --git a/drivers/power/supply/generic-adc-battery.c b/drivers/power/supply/generic-adc-battery.c
index 185f55d2fd709..f11a5c794e7e8 100644
--- a/drivers/power/supply/generic-adc-battery.c
+++ b/drivers/power/supply/generic-adc-battery.c
@@ -90,12 +90,17 @@ static int gab_read_channel(struct gab *adc_bat, enum gab_chan_type channel,
int ret;
ret = iio_read_channel_processed(adc_bat->channel[channel], result);
- if (ret < 0)
+ if (ret < 0) {
dev_err(&adc_bat->psy->dev, "read channel error: %d\n", ret);
+ return ret;
+ }
+
+ if (channel == GAB_TEMP)
+ *result /= 100; /* Convert from milli- to deci-degree */
else
*result *= 1000;
- return ret;
+ return 0;
}
static int gab_get_property(struct power_supply *psy,
--
2.53.0
^ permalink raw reply related [flat|nested] 3+ messages in thread* Re: [PATCH v1 1/1] power: supply: generic-adc-battery: Fix temperature IIO channel conversion
2026-09-26 14:29 ` [PATCH v1 1/1] " Svyatoslav Ryhel
@ 2026-10-04 17:47 ` Sebastian Reichel
0 siblings, 0 replies; 3+ messages in thread
From: Sebastian Reichel @ 2026-10-04 17:47 UTC (permalink / raw)
To: Sebastian Reichel, Linus Walleij, Matti Vaittinen,
Svyatoslav Ryhel
Cc: linux-pm, linux-kernel
On Sat, 26 Sep 2026 17:29:05 +0300, Svyatoslav Ryhel wrote:
> Temperature IIO channel data is provided in milli-degrees, while
> POWER_SUPPLY_PROP_TEMP is expected to be in deci-degrees. Adjust the
> existing logic to reflect this conversion properly.
Applied, thanks!
[1/1] power: supply: generic-adc-battery: Fix temperature IIO channel conversion
commit: 6bca94e64255053ab2aa56f2588fda73d399b790
Best regards,
--
Sebastian Reichel <sebastian.reichel@collabora.com>
^ permalink raw reply [flat|nested] 3+ messages in thread
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