recipes-kernel/most/files/0002-most-pass-parent-devcie-to-snd_card_new.patch

   1 From c4a379b4d3058b153832991ba1a1d697cad06600 Mon Sep 17 00:00:00 2001
   2 From: Christian Gromm <christian.gromm@microchip.com>
   3 Date: Fri, 1 Sep 2017 13:53:32 +0200
   4 Subject: [PATCH 2/5] most: pass parent devcie to snd_card_new
   5
   6 Signed-off-by: Christian Gromm <christian.gromm@microchip.com>
   7 ---
   8  driver/aim-sound/sound.c  | 2 +-
   9  driver/hdm-usb/hdm_usb.c  | 1 +
  10  driver/include/mostcore.h | 1 +
  11  3 files changed, 3 insertions(+), 1 deletion(-)
  12
  13 diff --git a/aim-sound/sound.c b/aim-sound/sound.c
  14 index e4198e5..a2ccc79 100644
  15 --- a/aim-sound/sound.c
  16 +++ b/aim-sound/sound.c
  17 @@ -595,7 +595,7 @@ static int audio_probe_channel(struct most_interface *iface, int channel_id,
  18                 return ret;
  19         }
  20
  21 -       ret = snd_card_new(NULL, -1, card_name, THIS_MODULE,
  22 +       ret = snd_card_new(iface->dev, -1, card_name, THIS_MODULE,
  23                            sizeof(*channel), &card);
  24         if (ret < 0)
  25                 return ret;
  26 diff --git a/hdm-usb/hdm_usb.c b/hdm-usb/hdm_usb.c
  27 index 0b689b5..0937496 100644
  28 --- a/hdm-usb/hdm_usb.c
  29 +++ b/hdm-usb/hdm_usb.c
  30 @@ -1160,6 +1160,7 @@ hdm_probe(struct usb_interface *interface, const struct usb_device_id *id)
  31         mdev->iface.dma_free = hdm_dma_free;
  32         mdev->iface.description = mdev->description;
  33         mdev->iface.num_channels = num_endpoints;
  34 +       mdev->iface.dev = &interface->dev;
  35
  36         snprintf(mdev->description, sizeof(mdev->description),
  37                  "usb_device %d-%s:%d.%d",
  38 diff --git a/include/mostcore.h b/include/mostcore.h
  39 index deefe25..d3523a9 100644
  40 --- a/include/mostcore.h
  41 +++ b/include/mostcore.h
  42 @@ -237,6 +237,7 @@ struct mbo {
  43   */
  44  struct most_interface {
  45         struct module *mod;
  46 +       struct device *dev;
  47         enum most_interface_type interface;
  48         const char *description;
  49         int num_channels;
  50 --
  51 2.7.4
  52