From: Frank Crawford <frank@crawford.emu.id.au>
Date: Sat, 18 Mar 2023 19:05:42 +1100
Subject: [PATCH] hwmon (it87): Fix voltage scaling for chips with 10.9mV ADCs
References: bsc#1012628
Patch-mainline: 6.2.9
Git-commit: 968b66ffeb7956acc72836a7797aeb7b2444ec51
[ Upstream commit 968b66ffeb7956acc72836a7797aeb7b2444ec51 ]
Fix voltage scaling for chips that have 10.9mV ADCs, where scaling was
not performed.
Fixes: ead8080351c9 ("hwmon: (it87) Add support for IT8732F")
Signed-off-by: Frank Crawford <frank@crawford.emu.id.au>
Link: https://lore.kernel.org/r/20230318080543.1226700-2-frank@crawford.emu.id.au
[groeck: Update subject and description to focus on bug fix]
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
---
drivers/hwmon/it87.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/hwmon/it87.c b/drivers/hwmon/it87.c
index 9997f76b..b7c7cf21 100644
--- a/drivers/hwmon/it87.c
+++ b/drivers/hwmon/it87.c
@@ -490,6 +490,8 @@ static const struct it87_devices it87_devices[] = {
#define has_pwm_freq2(data) ((data)->features & FEAT_PWM_FREQ2)
#define has_six_temp(data) ((data)->features & FEAT_SIX_TEMP)
#define has_vin3_5v(data) ((data)->features & FEAT_VIN3_5V)
+#define has_scaling(data) ((data)->features & (FEAT_12MV_ADC | \
+ FEAT_10_9MV_ADC))
struct it87_sio_data {
int sioaddr;
@@ -3100,7 +3102,7 @@ static int it87_probe(struct platform_device *pdev)
"Detected broken BIOS defaults, disabling PWM interface\n");
/* Starting with IT8721F, we handle scaling of internal voltages */
- if (has_12mv_adc(data)) {
+ if (has_scaling(data)) {
if (sio_data->internal & BIT(0))
data->in_scaled |= BIT(3); /* in3 is AVCC */
if (sio_data->internal & BIT(1))
--
2.35.3