Re: smartbattery support

Pedro Venda
2004-10-08T19:29:16Z

Bruno Ducrot wrote:
> On Thu, Oct 07, 2004 at 09:43:20PM +0800, Li, Shaohua wrote:
>
>>You needed an EC-based SMBus host driver (IIRC, some Acer latops defined
>>such host in DSDT). ACPI spec has the definition for EC-based SMBus host
>>interface. Second, a sensor driver for reading smart battery information
>>is required.
>>
>
>
> Some times ago, for a toshiba laptop, I began an i2c-acpi-ec driver:
> ftp://ftp.poupinou.org/acpi/i2c-acpi-ec.c
>
> It's a little bit buggy though but this allowed for me to access the sensors
> behind the EC. The main trouble was that there were not actually a
> smbus declared in the ACPI namespace and it was needed to hardcode where
> is the base adress in the EC space.
> You may try to start with that maybe, and I guess a real acpi_ec_smb_probe
> function must be written.
>

i'll give it a read. thanks.