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SubjectRe: [Resend] [PATCH] asus-laptop: add Lenovo SL LenovoCare LED support
Corentin Chary wrote:
> On Tue, Dec 8, 2009 at 4:41 PM, Matthew Garrett <mjg59@srcf.ucam.org> wrote:
>> On Tue, Dec 08, 2009 at 03:37:09PM +0800, Ike Panhc wrote:
>>
>>> ASUS_HANDLE(rled_set, ASUS_HOTK_PREFIX "RLED"); /* W1JC */
>>> ASUS_HANDLE(pled_set, ASUS_HOTK_PREFIX "PLED"); /* A7J */
>>> ASUS_HANDLE(gled_set, ASUS_HOTK_PREFIX "GLED"); /* G1, G2 (probably) */
>> The driver is controlling the ATKD device, which has a HID of ATK0101.
>> These devices are all underneath it...
>>
>>> +ASUS_HANDLE(lled_set, "\\_SB_.PCI0.SBRG.EC0_.HKEY.TVLS"); /* LenovoCare */
>> And this one isn't, which is a bit jarring. Looking closer, it's under
>> the LEN0014 device, which means that you're trying to touch a method
>> that belongs to a device other than the one this driver is bound to.
>> That's wrong. You want a separate ACPI driver for the LEN0014 device,
>> and this should be called for there. Looking at it, you seem to get
>> rfkill as well (the GWAN/SWAN, GBDC/SBDF and GUWB/SUWB methods) and
>> maybe some other stuff.
>>
>> So this shouldn't go in asus-laptop. You'll need to add another separate
>> driver for the SL-specific functionality.
>
> That means asus-laptop and sl-laptop will be both needed for a SL
> laptop, but I don't think this is a problem.
>
I think your suggestion is that one acpi driver for one acpi device.
It makes sense to me. I will build a new driver.



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