2013/5/8 Pallala, Ramakrishna <ramakrishna.pallala@xxxxxxxxx>
>
> Hi All,
>
> Kernel acpi battery driver loading fails eventhouh I have FW entry for PNP0C0A. but I see acpi ac driver is getting loaded without any issue.
>
> One thing I observed is FW doesn't implement the _CSR method which is being implemented by most of PNP devices.
>
> I have enabled the following driver in kernel config.
>
> CONFIG_ACPI=y
> CONFIG_ACPI_SLEEP=y
> # CONFIG_ACPI_PROCFS is not set
> CONFIG_ACPI_PROCFS_POWER=y
> # CONFIG_ACPI_EC_DEBUGFS is not set
> CONFIG_ACPI_PROC_EVENT=y
> CONFIG_ACPI_AC=y
> CONFIG_ACPI_BATTERY=y
> CONFIG_ACPI_BUTTON=y
> CONFIG_ACPI_VIDEO=y
> CONFIG_ACPI_FAN=y
>
> CONFIG_PNPACPI=y
>
> Also does acpi battery depends on BIOS for loading?
>
Hi Ram:
Please provide the output of dmesg and acpidump.
>
> Thanks,
> Ram
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--
Best regards
Tianyu Lan
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