* [PATCH v2] hwmon: (pmbus/ibm-cffps) Fix write bits for LED control
@ 2021-08-06 22:51 Brandon Wyman
2021-08-12 4:36 ` Guenter Roeck
0 siblings, 1 reply; 2+ messages in thread
From: Brandon Wyman @ 2021-08-06 22:51 UTC (permalink / raw)
To: Joel Stanley, openbmc, Guenter Roeck, Jean Delvare, linux-hwmon,
linux-kernel, Eddie James
Cc: B. J. Wyman
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: Brandon Wyman <bjwyman@gmail.com>
---
V1 -> V2: Use full name instead of initials in Signed-off-by line.
---
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 {
--
2.25.1
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH v2] hwmon: (pmbus/ibm-cffps) Fix write bits for LED control
2021-08-06 22:51 [PATCH v2] hwmon: (pmbus/ibm-cffps) Fix write bits for LED control Brandon Wyman
@ 2021-08-12 4:36 ` Guenter Roeck
0 siblings, 0 replies; 2+ messages in thread
From: Guenter Roeck @ 2021-08-12 4:36 UTC (permalink / raw)
To: Brandon Wyman
Cc: Joel Stanley, openbmc, Jean Delvare, linux-hwmon, linux-kernel,
Eddie James
On Fri, Aug 06, 2021 at 10:51:31PM +0000, Brandon Wyman wrote:
> 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: Brandon Wyman <bjwyman@gmail.com>
Applied.
Thanks,
Guenter
> ---
> V1 -> V2: Use full name instead of initials in Signed-off-by line.
> ---
> 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 {
^ permalink raw reply [flat|nested] 2+ messages in thread
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