On Fri, Oct 12, 2012 at 5:34 AM, Tang Chen <tangchen@xxxxxxxxxxxxxx> wrote:
> This introduce a new api to determine if a HID matches a list of IDs.
> Different from acpi_match_device_ids(), the new api gets HID from
> acpi_device_info struct.
>
> Signed-off-by: Tang Chen <tangchen@xxxxxxxxxxxxxx>
> ---
> drivers/acpi/scan.c | 24 ++++++++++++++++++++++++
> include/acpi/acpi_bus.h | 2 ++
> 2 files changed, 26 insertions(+), 0 deletions(-)
>
> diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c
> index 03c12e6..41fd4c9 100644
> --- a/drivers/acpi/scan.c
> +++ b/drivers/acpi/scan.c
> @@ -312,6 +312,30 @@ int acpi_match_device_ids(struct acpi_device *device,
> }
> EXPORT_SYMBOL(acpi_match_device_ids);
>
> +int acpi_match_object_info_ids(struct acpi_device_info *info,
> + const struct acpi_device_id *ids)
> +{
> + char *hardware_id;
> + int i, j;
> +
> + for (i = 0; ids[i].id[0]; i++) {
> + hardware_id = info->hardware_id.string;
> + if (hardware_id &&
> + !strcmp((char *)ids[i].id, hardware_id))
> + return 0;
> +
> + for (j = 0; j < info->compatible_id_list.count; j++) {
> + hardware_id = info->compatible_id_list.ids[j].string;
> + if (hardware_id &&
> + !strcmp((char *)ids[i].id, hardware_id))
> + return 0;
> + }
> + }
> +
> + return 1;
-ENOENT instead of 1?
> +}
> +EXPORT_SYMBOL(acpi_match_object_info_ids);
> +
> static void acpi_free_ids(struct acpi_device *device)
> {
> struct acpi_hardware_id *id, *tmp;
> diff --git a/include/acpi/acpi_bus.h b/include/acpi/acpi_bus.h
> index f0b9681..f83d581 100644
> --- a/include/acpi/acpi_bus.h
> +++ b/include/acpi/acpi_bus.h
> @@ -379,6 +379,8 @@ int acpi_bus_start(struct acpi_device *device);
> acpi_status acpi_bus_get_ejd(acpi_handle handle, acpi_handle * ejd);
> int acpi_match_device_ids(struct acpi_device *device,
> const struct acpi_device_id *ids);
> +int acpi_match_object_info_ids(struct acpi_device_info *info,
> + const struct acpi_device_id *ids);
> int acpi_create_dir(struct acpi_device *);
> void acpi_remove_dir(struct acpi_device *);
>
> --
> 1.7.1
>
> --
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