lkml.org 
[lkml]   [2021]   [Aug]   [6]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
Date
SubjectRe: [PATCH] hwmon: (pmbus/ibm-cffps) Fix write bits for LED control
On Wed, Jul 28, 2021 at 6:14 PM Guenter Roeck <linux@roeck-us.net> wrote:
>
> On 7/28/21 3:41 PM, Brandon Wyman wrote:
> > From: "B. J. Wyman" <bjwyman@gmail.com>
> >
> > When doing a PMBus write for the LED control on the IBM Common Form
> > Factor Power Supplies (ibm-cffps), the DAh command requires that bit 7
> > be low and bit 6 be high in order to indicate that you are truly
> > attempting to do a write.
> >
> > Signed-off-by: B. J. Wyman <bjwyman@gmail.com>
>
> Please be consistent and use "Brandon Wyman".

Ack. Curiously, that is the first time someone has pointed out that
inconsistency.

>
> Guenter
>
> > ---
> > drivers/hwmon/pmbus/ibm-cffps.c | 6 +++---
> > 1 file changed, 3 insertions(+), 3 deletions(-)
> >
> > diff --git a/drivers/hwmon/pmbus/ibm-cffps.c b/drivers/hwmon/pmbus/ibm-cffps.c
> > index 5668d8305b78..df712ce4b164 100644
> > --- a/drivers/hwmon/pmbus/ibm-cffps.c
> > +++ b/drivers/hwmon/pmbus/ibm-cffps.c
> > @@ -50,9 +50,9 @@
> > #define CFFPS_MFR_VAUX_FAULT BIT(6)
> > #define CFFPS_MFR_CURRENT_SHARE_WARNING BIT(7)
> >
> > -#define CFFPS_LED_BLINK BIT(0)
> > -#define CFFPS_LED_ON BIT(1)
> > -#define CFFPS_LED_OFF BIT(2)
> > +#define CFFPS_LED_BLINK (BIT(0) | BIT(6))
> > +#define CFFPS_LED_ON (BIT(1) | BIT(6))
> > +#define CFFPS_LED_OFF (BIT(2) | BIT(6))
> > #define CFFPS_BLINK_RATE_MS 250
> >
> > enum {
> >
>

\
 
 \ /
  Last update: 2021-08-07 00:36    [W:0.049 / U:1.756 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site