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Re: [PATCH 2/7] hw/i2c: pmbus: add vout mode bitfields


From: Corey Minyard
Subject: Re: [PATCH 2/7] hw/i2c: pmbus: add vout mode bitfields
Date: Fri, 31 Mar 2023 08:50:53 -0500

On Fri, Mar 31, 2023 at 12:07:51AM +0000, Titus Rwantare wrote:
> The VOUT_MODE command is described in the PMBus Specification,
> Part II, Ver 1.3 Section 8.3
> 
> VOUT_MODE has a three bit mode and 4 bit parameter, the three bit
> mode determines whether voltages are formatted as uint16, uint16,
> VID, and Direct modes. VID and Direct modes use the remaining 5 bits
> to scale the voltage readings.
> 
> Reviewed-by: Hao Wu <wuhaotsh@google.com>
> Signed-off-by: Titus Rwantare <titusr@google.com>

Ok, I see the new sensor later.

Acked-by: Corey Minyard <cminyard@mvista.com>

> ---
>  include/hw/i2c/pmbus_device.h | 8 ++++++++
>  1 file changed, 8 insertions(+)
> 
> diff --git a/include/hw/i2c/pmbus_device.h b/include/hw/i2c/pmbus_device.h
> index 7dc00cc4d9..2e95164aa1 100644
> --- a/include/hw/i2c/pmbus_device.h
> +++ b/include/hw/i2c/pmbus_device.h
> @@ -444,6 +444,14 @@ typedef struct PMBusCoefficients {
>      int32_t R;     /* exponent */
>  } PMBusCoefficients;
>  
> +/**
> + * VOUT_Mode bit fields
> + */
> +typedef struct PMBusVoutMode {
> +    uint8_t  mode:3;
> +    int8_t   exp:5;
> +} PMBusVoutMode;
> +
>  /**
>   * Convert sensor values to direct mode format
>   *
> -- 
> 2.40.0.423.gd6c402a77b-goog
> 



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