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    Subject[PATCH] ACPI: bay: send envp with uevent
    Make the bay driver send env information on bay events.  

    Upon any bay event, we will send the string "BAY_EVENT=%d" along with the
    KOBJ_CHANGE, and report the event number. What the event number means will
    be platform specific. Event 3 is always an eject request, but an insert
    may be either event 1, or it may be event 0. Event 1 may also be a
    remove request. It would be best if you check the number of your event
    with udevmonitor before writing any udev scripts for inserting and
    removing drive bays.

    Signed-off-by: Kristen Carlson Accardi <kristen.c.accardi@intel.com>
    Cc: Stephan Berberig <s.berberig@arcor.de>

    Index: 2.6-git/drivers/acpi/bay.c
    ===================================================================
    --- 2.6-git.orig/drivers/acpi/bay.c
    +++ 2.6-git/drivers/acpi/bay.c
    @@ -328,18 +328,12 @@ static void bay_notify(acpi_handle handl
    {
    struct bay *bay_dev = (struct bay *)data;
    struct device *dev = &bay_dev->pdev->dev;
    + char event_string[12];
    + char *envp[] = { event_string, NULL };

    bay_dprintk(handle, "Bay event");
    -
    - switch(event) {
    - case ACPI_NOTIFY_BUS_CHECK:
    - case ACPI_NOTIFY_DEVICE_CHECK:
    - case ACPI_NOTIFY_EJECT_REQUEST:
    - kobject_uevent(&dev->kobj, KOBJ_CHANGE);
    - break;
    - default:
    - printk(KERN_ERR PREFIX "Bay: unknown event %d\n", event);
    - }
    + sprintf(event_string, "BAY_EVENT=%d\n", event);
    + kobject_uevent_env(&dev->kobj, KOBJ_CHANGE, envp);
    }

    static acpi_status
    -
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