On 8/12/19 1:40 PM, Lukas Wunner wrote:
On Mon, Aug 12, 2019 at 11:49:23AM -0700, sathyanarayanan kuppuswamy wrote:
On 8/11/19 12:59 PM, Denis Efremov wrote:
+    if ((!PWR_LED(ctrl)  || pwr  == PWR_NONE) &&
+        (!ATTN_LED(ctrl) || attn == ATTN_NONE))
+        return;
Also I think this condition needs to expand to handle the case whether pwr
!= PWR_NONE and !PWR_LED(ctrl) is true.

you need to return for case, pwr = PWR_ON, !PWR_LED(ctrl)=true ,
!ATTN_LED(ctrl)=false, attn=on
Why should we return in that case?  We need to update the Attention
Indicator Control to On.

Attempting to PWR_ON when !PWR_LED(ctrl) is true is incorrect right ? Even if you don't want to return (to handle ATTN part of the function), may be you should skip updating PWR mask and cmd for this case.


Thanks,

Lukas

--
Sathyanarayanan Kuppuswamy
Linux kernel developer

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