[bugfix]fix bug of ecall  kernel panic

Change-Id: I5cd7cd86dec2cad8464953a6480c3e1289ebc2e9
diff --git a/src/kernel/linux/v4.19/sound/soc/mediatek/common/mtk-afe-platform-driver.c b/src/kernel/linux/v4.19/sound/soc/mediatek/common/mtk-afe-platform-driver.c
index dae86f4..e1b5275 100644
--- a/src/kernel/linux/v4.19/sound/soc/mediatek/common/mtk-afe-platform-driver.c
+++ b/src/kernel/linux/v4.19/sound/soc/mediatek/common/mtk-afe-platform-driver.c
@@ -93,6 +93,7 @@
 static snd_pcm_uframes_t mtk_afe_pcm_pointer
 			 (struct snd_pcm_substream *substream)
 {
+/*
 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
 	struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, AFE_PCM_NAME);
 	struct mtk_base_afe *afe = snd_soc_component_get_drvdata(component);
@@ -124,6 +125,10 @@
 POINTER_RETURN_FRAMES:
 	pcm_ptr_bytes = word_size_align(pcm_ptr_bytes);
 	return bytes_to_frames(substream->runtime, pcm_ptr_bytes);
+	*/
+	return 1;
+
+
 }
 
 int mtk_afe_pcm_ack(struct snd_pcm_substream *substream)