Re: [v1,1/1] hwmon: (nct7904) Fix incorrect SMI status register setting of LTD temperature and fan.

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On Thu, Sep 12, 2019 at 11:33:00AM +0000, Amy.Shih@xxxxxxxxxxxxxxxx wrote:
> From: "amy.shih" <amy.shih@xxxxxxxxxxxxxxxx>
> 
> According to datasheet, the SMI status register setting of LTD
> temperature is SMI_STS3, and the SMI status register setting
> of fan is SMI_STS5 and SMI_STS6.
> 
> Signed-off-by: amy.shih <amy.shih@xxxxxxxxxxxxxxxx>

Applied.

Thanks,
Guenter

> ---
>  drivers/hwmon/nct7904.c | 11 +++++++++--
>  1 file changed, 9 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/hwmon/nct7904.c b/drivers/hwmon/nct7904.c
> index ce688ab4fce2..95b447cfa24c 100644
> --- a/drivers/hwmon/nct7904.c
> +++ b/drivers/hwmon/nct7904.c
> @@ -51,6 +51,7 @@
>  #define VSEN1_HV_HL_REG		0x00	/* Bank 1; 2 regs (HV/LV) per sensor */
>  #define VSEN1_LV_HL_REG		0x01	/* Bank 1; 2 regs (HV/LV) per sensor */
>  #define SMI_STS1_REG		0xC1	/* Bank 0; SMI Status Register */
> +#define SMI_STS3_REG		0xC3	/* Bank 0; SMI Status Register */
>  #define SMI_STS5_REG		0xC5	/* Bank 0; SMI Status Register */
>  #define SMI_STS7_REG		0xC7	/* Bank 0; SMI Status Register */
>  #define SMI_STS8_REG		0xC8	/* Bank 0; SMI Status Register */
> @@ -210,7 +211,7 @@ static int nct7904_read_fan(struct device *dev, u32 attr, int channel,
>  		return 0;
>  	case hwmon_fan_alarm:
>  		ret = nct7904_read_reg(data, BANK_0,
> -				       SMI_STS7_REG + (channel >> 3));
> +				       SMI_STS5_REG + (channel >> 3));
>  		if (ret < 0)
>  			return ret;
>  		*val = (ret >> (channel & 0x07)) & 1;
> @@ -351,7 +352,13 @@ static int nct7904_read_temp(struct device *dev, u32 attr, int channel,
>  		*val = sign_extend32(temp, 10) * 125;
>  		return 0;
>  	case hwmon_temp_alarm:
> -		if (channel < 5) {
> +		if (channel == 4) {
> +			ret = nct7904_read_reg(data, BANK_0,
> +					       SMI_STS3_REG);
> +			if (ret < 0)
> +				return ret;
> +			*val = (ret >> 1) & 1;
> +		} else if (channel < 4) {
>  			ret = nct7904_read_reg(data, BANK_0,
>  					       SMI_STS1_REG);
>  			if (ret < 0)



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