arch/x86/platform/intel-mid/device_libs/platform_msic_audio.c

   1 // SPDX-License-Identifier: GPL-2.0-only
   2 /*
   3  * platform_msic_audio.c: MSIC audio platform data initialization file
   4  *
   5  * (C) Copyright 2013 Intel Corporation
   6  * Author: Sathyanarayanan Kuppuswamy <sathyanarayanan.kuppuswamy@intel.com>
   7  */
   8
   9 #include <linux/kernel.h>
  10 #include <linux/interrupt.h>
  11 #include <linux/scatterlist.h>
  12 #include <linux/init.h>
  13 #include <linux/sfi.h>
  14 #include <linux/platform_device.h>
  15 #include <linux/mfd/intel_msic.h>
  16 #include <asm/intel-mid.h>
  17
  18 #include "platform_msic.h"
  19
  20 static void *msic_audio_platform_data(void *info)
  21 {
  22         struct platform_device *pdev;
  23
  24         pdev = platform_device_register_simple("sst-platform", -1, NULL, 0);
  25
  26         if (IS_ERR(pdev)) {
  27                 pr_err("failed to create audio platform device\n");
  28                 return NULL;
  29         }
  30
  31         return msic_generic_platform_data(info, INTEL_MSIC_BLOCK_AUDIO);
  32 }
  33
  34 static const struct devs_id msic_audio_dev_id __initconst = {
  35         .name = "msic_audio",
  36         .type = SFI_DEV_TYPE_IPC,
  37         .delay = 1,
  38         .msic = 1,
  39         .get_platform_data = &msic_audio_platform_data,
  40 };
  41
  42 sfi_device(msic_audio_dev_id);