LXR linux/arch/x86/platform/intel-mid/device_libs/platform_msic

   1/*
   2 * platform_msic_audio.c: MSIC audio platform data initialization file
   3 *
   4 * (C) Copyright 2013 Intel Corporation
   5 * Author: Sathyanarayanan Kuppuswamy <sathyanarayanan.kuppuswamy@intel.com>
   6 *
   7 * This program is free software; you can redistribute it and/or
   8 * modify it under the terms of the GNU General Public License
   9 * as published by the Free Software Foundation; version 2
  10 * of the License.
  11 */
  12
  13#include <linux/kernel.h>
  14#include <linux/interrupt.h>
  15#include <linux/scatterlist.h>
  16#include <linux/init.h>
  17#include <linux/sfi.h>
  18#include <linux/platform_device.h>
  19#include <linux/mfd/intel_msic.h>
  20#include <asm/intel-mid.h>
  21
  22#include "platform_msic.h"
  23
  24static void *msic_audio_platform_data(void *info)
  25{
  26        struct platform_device *pdev;
  27
  28        pdev = platform_device_register_simple("sst-platform", -1, NULL, 0);
  29
  30        if (IS_ERR(pdev)) {
  31                pr_err("failed to create audio platform device\n");
  32                return NULL;
  33        }
  34
  35        return msic_generic_platform_data(info, INTEL_MSIC_BLOCK_AUDIO);
  36}
  37
  38static const struct devs_id msic_audio_dev_id __initconst = {
  39        .name = "msic_audio",
  40        .type = SFI_DEV_TYPE_IPC,
  41        .delay = 1,
  42        .msic = 1,
  43        .get_platform_data = &msic_audio_platform_data,
  44};
  45
  46sfi_device(msic_audio_dev_id);
  47