Re: v4.19-rc0: compile problem in ./include/media/cec.h:82:24:

From: Hans Verkuil
Date: Thu Aug 23 2018 - 02:48:04 EST


On 22/08/18 23:12, Pavel Machek wrote:
> Hi!
>
>> I'm getting this in -rc0:
>>
>> CC drivers/gpu/drm/ttm/ttm_tt.o
>> In file included from ./include/media/cec-notifier.h:13:0,
>> from drivers/gpu/drm/i915/intel_drv.h:42,
>> from
>> drivers/gpu/drm/i915/i915_trace.h:11,
>> from drivers/gpu/drm/i915/i915_drv.h:2667,
>> from
>> drivers/gpu/drm/i915/i915_irq.c:36:
>> ./include/media/cec.h:82:24: error: âCEC_EVENT_PIN_5V_HIGHâ
>> undeclared here (not in a function)
>> #define CEC_NUM_EVENTS CEC_EVENT_PIN_5V_HIGH
>> ^
>> ./include/media/cec.h:94:26: note: in
>> expansion of macro âCEC_NUM_EVENTSâ
>> struct list_head events[CEC_NUM_EVENTS]; /* queued events */
>> ^
>> CC drivers/input/serio/serport.o
>>
>> Reverting 4786b0d6f3ca6da8db02b0a58cd2b785cb0b80ab seems to help.
>
> No, sorry, it does not. I was confused. Let me try
>
> HDMI CEC support (MEDIA_CEC_SUPPORT) [N/y/?] (NEW) y
>
> No change.
>
> Let me add
>
> #include <uapi/linux/cec.h>
>
> into include/media/cec.h... no.
>
> Any ideas?
> Pavel
>

media/cec.h includes linux/cec-funcs.h which includes linux/cec.h. This last
header defines CEC_EVENT_PIN_5V_HIGH.

If it doesn't for some reason, then you have some broken tree since it definitely
is there if I look at the current mainline kernel.

Regards,

Hans