Messages in this thread | | | From | Brandon Wyman <> | Date | Fri, 6 Aug 2021 17:35:15 -0500 | Subject | Re: [PATCH] hwmon: (pmbus/ibm-cffps) Fix write bits for LED control |
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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 { > > >
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