create_card
bool create_card;
snd_grp->create_card = tmp;
CONFIGFS_ATTR_WO(most_snd_grp_, create_card);
if (!most->create_card) {
struct snd_soc_card * (*create_card)(struct device *dev);
.create_card = sun4i_codec_create_card,
.create_card = sun6i_codec_create_card,
.create_card = sun4i_codec_create_card,
.create_card = sun8i_a23_codec_create_card,
.create_card = sun8i_h3_codec_create_card,
.create_card = sun8i_v3s_codec_create_card,
.create_card = sun50i_h616_codec_create_card,
.create_card = suniv_codec_create_card,
card = quirks->create_card(&pdev->dev);
ret = create_card(usb_dev, intf, &card);