Hi,

On 1/30/24 20:08, Werner Sembach wrote:
> Hi,
> 
> Am 30.01.24 um 19:35 schrieb Hans de Goede:
>> Hi,
>>
>> On 1/30/24 19:09, Werner Sembach wrote:
>>> Hi Hans,
>>>
>>> resend because Thunderbird htmlified the mail :/
>> I use thunderbird too. If you right click on the server name
>> and then go to "Settings" -> "Composition & Addressing"
>> and then uncheck "Compose messages in HTML format"
>> I think that should do the trick.
> Can't set this globally or other people will complain that my replies delete 
> company logos in signatures xD. But usually the auto detection of Thunderbird 
> works.
>>
>>> Am 30.01.24 um 18:10 schrieb Hans de Goede:
>>>> Hi Werner,
>>>>
>>>> On 1/30/24 12:12, Werner Sembach wrote:
>>>>> Hi Hans,
>>>>>
>>>>> Am 29.01.24 um 14:24 schrieb Hans de Goede:
>>> <snip>
>>>>> I think that are mostly external keyboards, so in theory a possible cut 
>>>>> could also between built-in and external devices.
>>>> IMHO it would be better to limit /dev/rgbledstring use to only
>>>> cases where direct userspace control is not possible and thus
>>>> have the cut be based on whether direct userspace control
>>>> (e.g. /dev/hidraw access) is possible or not.
>>> Ack
>>>
>>> <snip>
>>>
>>>>> So also no basic driver? Or still the concept from before with a basic 1 
>>>>> zone only driver via leds subsystem to have something working, but it is 
>>>>> unregistered by userspace, if open rgb wants to take over for fine 
>>>>> granular support?
>>>> Ah good point, no I think that a basic driver just for kbd backlight
>>>> brightness support which works with the standard desktop environment
>>>> controls for this makes sense.
>>>>
>>>> Combined with some mechanism for e.g. openrgb to fully take over
>>>> control as discussed. It is probably a good idea to file a separate
>>>> issue with the openrgb project to discuss the takeover API.
>>> I think the OpenRGB maintainers are pretty flexible at that point, after 
>>> all it's similar to enable commands a lot of rgb devices need anyway. I 
>>> would include it in a full api proposal.
>> Ack.
>>
>>> On this note: Any particular reason you suggested an ioctl interface 
>>> instead of a sysfs one? (Open question as, for example, I have no idea what 
>>> performance implications both have)
>> sysfs APIs typically have a one file per setting approach,
>> so for effects with speed and multiple-color settings you
>> would need a whole bunch of different files and then you
>> would either need to immediately apply every setting,
>> needing multiple writes to the hw for a single effect
>> update, or have some sort of "commit" sysfs attribute.
>>
>> With ioctls you can simply provide all the settings
>> in one call, which is why I suggested using ioctls.
> 
> Ack
> 
> If the static mode update is fast enough to have userspace controlled 
> animations, OpenRGB is calling that direct mode. Is it feasible to send 30 or 
> more ioctls per second for such an direct mode? Or should this spawn a 
> special purpose sysfs file that is kept open by userspace to continuously 
> update the keyboard?

ioctls are quite fast and another advantage of ioctls is
you open the /dev/rgbledstring# device only once and
then re-use the fd for as many ioctls as you want.

Regards,

Hans

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