Le 21/09/2015 03:19, Josh Wu a écrit :
> Hi, Nicolas
>
> On 9/18/2015 10:09 PM, Nicolas Ferre wrote:
>> Le 18/09/2015 13:28, Josh Wu a écrit :
>>> On at91sam9x5ek/at91sam9m10g45ek/sama5d3xek boards, we use the parallel
>>> connection for ov2640. So we must set the hsync/vsync property (1 means
>>> active high).
>>> Otherwise, the connection would be seen as BT.656 or BT.1120.
>>>
>>> Signed-off-by: Josh Wu <josh.wu@xxxxxxxxx>
>> Hi Josh,
>>
>> Does this patch apply because of the new enhancement that you had
>> proposed in "media: atmel-isi: parse the DT parameters for
>> vsync/hsync/pixclock polarity" or does it apply even before?
>> Is it a fix that applies to older kernels?
> It's is a fix, according to the dt binding of video interface.
> So it should be applied before:
>
> "media: atmel-isi: parse the DT parameters for
> vsync/hsync/pixclock polarity".
>
>
> it has no impact in older kernel as the driver doesn't parse that
> property yet.
>
>>
>> So, should I wait for the enhancements to enter media git tree or can I
>> take them anyway?
>
> yes, you can take it without waiting for the media tree. Thanks.
Fair enough.
Acked-by: Nicolas Ferre <nicolas.ferre@xxxxxxxxx>
Thanks for the information. Bye,
> Best Regards,
> Josh Wu
>
>>
>> Bye,
>>
>>> ---
>>>
>>> arch/arm/boot/dts/at91sam9m10g45ek.dts | 2 ++
>>> arch/arm/boot/dts/at91sam9x5ek.dtsi | 2 ++
>>> arch/arm/boot/dts/sama5d3xmb.dtsi | 2 ++
>>> 3 files changed, 6 insertions(+)
>>>
>>> diff --git a/arch/arm/boot/dts/at91sam9m10g45ek.dts b/arch/arm/boot/dts/at91sam9m10g45ek.dts
>>> index d1ae60a..9d16ef8 100644
>>> --- a/arch/arm/boot/dts/at91sam9m10g45ek.dts
>>> +++ b/arch/arm/boot/dts/at91sam9m10g45ek.dts
>>> @@ -198,6 +198,8 @@
>>> isi_0: endpoint {
>>> remote-endpoint = <&ov2640_0>;
>>> bus-width = <8>;
>>> + vsync-active = <1>;
>>> + hsync-active = <1>;
>>> };
>>> };
>>> };
>>> diff --git a/arch/arm/boot/dts/at91sam9x5ek.dtsi b/arch/arm/boot/dts/at91sam9x5ek.dtsi
>>> index d237c46..479f200 100644
>>> --- a/arch/arm/boot/dts/at91sam9x5ek.dtsi
>>> +++ b/arch/arm/boot/dts/at91sam9x5ek.dtsi
>>> @@ -66,6 +66,8 @@
>>> isi_0: endpoint@0 {
>>> remote-endpoint = <&ov2640_0>;
>>> bus-width = <8>;
>>> + vsync-active = <1>;
>>> + hsync-active = <1>;
>>> };
>>> };
>>> };
>>> diff --git a/arch/arm/boot/dts/sama5d3xmb.dtsi b/arch/arm/boot/dts/sama5d3xmb.dtsi
>>> index 83bee7a..8901042 100644
>>> --- a/arch/arm/boot/dts/sama5d3xmb.dtsi
>>> +++ b/arch/arm/boot/dts/sama5d3xmb.dtsi
>>> @@ -87,6 +87,8 @@
>>> isi_0: endpoint {
>>> remote-endpoint = <&ov2640_0>;
>>> bus-width = <8>;
>>> + vsync-active = <1>;
>>> + hsync-active = <1>;
>>> };
>>> };
>>> };
>>>
>>
>
>
--
Nicolas Ferre
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