Francisco Jerez wrote:
> Hi,
>
> Anssi Hannula <anssi.hann...@gmail.com> writes:
>
>> Francisco Jerez wrote:
>>> Signed-off-by: Francisco Jerez <curroje...@riseup.net>
>>> ---
>>> drivers/gpu/drm/drm_crtc.c | 2 ++
>>> include/drm/drm_mode.h | 1 +
>>> 2 files changed, 3 insertions(+), 0 deletions(-)
>>>
>>> diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c
>>> index 9421a14..c2e984f 100644
>>> --- a/drivers/gpu/drm/drm_crtc.c
>>> +++ b/drivers/gpu/drm/drm_crtc.c
>>> @@ -108,6 +108,7 @@ static struct drm_prop_enum_list
>>> drm_tv_select_enum_list[] =
>>> { DRM_MODE_SUBCONNECTOR_Composite, "Composite" }, /* TV-out */
>>> { DRM_MODE_SUBCONNECTOR_SVIDEO, "SVIDEO" }, /* TV-out */
>>> { DRM_MODE_SUBCONNECTOR_Component, "Component" }, /* TV-out */
>>> + { DRM_MODE_SUBCONNECTOR_SCART, "SCART" }, /* TV-out */
>>> };
>>>
>>> DRM_ENUM_NAME_FN(drm_get_tv_select_name, drm_tv_select_enum_list)
>>> @@ -118,6 +119,7 @@ static struct drm_prop_enum_list
>>> drm_tv_subconnector_enum_list[] =
>>> { DRM_MODE_SUBCONNECTOR_Composite, "Composite" }, /* TV-out */
>>> { DRM_MODE_SUBCONNECTOR_SVIDEO, "SVIDEO" }, /* TV-out */
>>> { DRM_MODE_SUBCONNECTOR_Component, "Component" }, /* TV-out */
>>> + { DRM_MODE_SUBCONNECTOR_SCART, "SCART" }, /* TV-out */
>>> };
>> Hmm, SCART cables can carry signal of types Composite, SVIDEO and RGB.
>> How exactly is SCART used here?
>> I'm no expert, but I don't really see how an encoder cares if e.g.
>> Composite signal is carried through RCA plug or SCART plug. Or does the
>> encoder actually have separate composite outputs for RCA and SCART?
>>
>
> Yes, in some cases the composite output might be hardwired to a
> different pin when the encoder is put in a "SCART" mode of operation
Ok, that explains it :)
>> Or does this mean exclusively the "RGB" component mode of SCART, which
>> would make more sense? If so, I guess it should be named "SCART-RGB" or
>> something.
>
> A SCART cable usually has separated wires for RGB+Composite so they are
> often output simultaneously.
--
Anssi Hannula
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