linux-imx

 *  WITHOUT ANY WARRANTY; without even the implied warranty of

 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

 *  General Public License for more details.

 *

 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

 */

​

#define pr_fmt(fmt) "ACPI: button: " fmt

​

#include <linux/kernel.h>

#include <linux/module.h>

#include <linux/init.h>

#include <linux/types.h>

#include <linux/proc_fs.h>

#include <linux/seq_file.h>

#include <linux/input.h>

#include <linux/slab.h>

#include <linux/acpi.h>

#include <linux/dmi.h>

        /*

         * It is also regarded as success if the notifier_chain

         * returns NOTIFY_OK or NOTIFY_DONE.

         */

        ret = 0;

    }

    return ret;

}

​

{

    struct acpi_device *device = seq->private;

    int state;

​

    state = acpi_lid_evaluate_state(device);

    seq_printf(seq, "state:      %s\n",

           state < 0 ? "unsupported" : (state ? "open" : "closed"));

    return 0;

}

​