From 5845e6155d8f4a4a9bae2d4c1d1bb4a4d9a925c2 Mon Sep 17 00:00:00 2001
From: Kai Chieh Chuang <kaichieh.chuang@mediatek.com>
Date: Fri, 27 Apr 2018 10:11:35 +0800
Subject: [PATCH] ASoC: mediatek: preallocate pages use platform device
Git-commit: 5845e6155d8f4a4a9bae2d4c1d1bb4a4d9a925c2
Patch-mainline: v4.18-rc1
References: bsc#1051510

preallocate pages should use platform device,
since we set dma mask for platform device.

Signed-off-by: KaiChieh Chuang <kaichieh.chuang@mediatek.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Cc: stable@vger.kernel.org
Acked-by: Takashi Iwai <tiwai@suse.de>

---
 sound/soc/mediatek/common/mtk-afe-platform-driver.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

--- a/sound/soc/mediatek/common/mtk-afe-platform-driver.c
+++ b/sound/soc/mediatek/common/mtk-afe-platform-driver.c
@@ -63,13 +63,13 @@ static const struct snd_pcm_ops mtk_afe_
 static int mtk_afe_pcm_new(struct snd_soc_pcm_runtime *rtd)
 {
 	size_t size;
-	struct snd_card *card = rtd->card->snd_card;
 	struct snd_pcm *pcm = rtd->pcm;
 	struct mtk_base_afe *afe = snd_soc_platform_get_drvdata(rtd->platform);
 
 	size = afe->mtk_afe_hardware->buffer_bytes_max;
 	return snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
-						     card->dev, size, size);
+						     rtd->platform->dev,
+						     size, size);
 }
 
 static void mtk_afe_pcm_free(struct snd_pcm *pcm)