From 968b66ffeb7956acc72836a7797aeb7b2444ec51 Mon Sep 17 00:00:00 2001 From: Frank Crawford Date: Sat, 18 Mar 2023 19:05:42 +1100 Subject: [PATCH] hwmon (it87): Fix voltage scaling for chips with 10.9mV ADCs 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 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 --- 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 66f7cea..e9614eb 100644 --- a/drivers/hwmon/it87.c +++ b/drivers/hwmon/it87.c @@ -515,6 +515,8 @@ static const struct it87_devices it87_devices[] = { #define has_six_temp(data) ((data)->features & FEAT_SIX_TEMP) #define has_vin3_5v(data) ((data)->features & FEAT_VIN3_5V) #define has_conf_noexit(data) ((data)->features & FEAT_CONF_NOEXIT) +#define has_scaling(data) ((data)->features & (FEAT_12MV_ADC | \ + FEAT_10_9MV_ADC)) struct it87_sio_data { int sioaddr; @@ -3134,7 +3136,7 @@ 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)) -- 2.7.4