diff --git a/sound/soc/sti/uniperif.h b/sound/soc/sti/uniperif.h
index 17d5d10..d0e2446 100644
--- a/sound/soc/sti/uniperif.h
+++ b/sound/soc/sti/uniperif.h
@@ -1389,6 +1389,17 @@
 				struct snd_pcm_hw_params *params,
 				struct snd_soc_dai *dai);
 
+static inline int sti_uniperiph_get_user_frame_size(
+	struct snd_pcm_runtime *runtime)
+{
+	return (runtime->channels * snd_pcm_format_width(runtime->format) / 8);
+}
+
+static inline int sti_uniperiph_get_unip_tdm_frame_size(struct uniperif *uni)
+{
+	return (uni->tdm_slot.slots * uni->tdm_slot.slot_width / 8);
+}
+
 int sti_uniperiph_set_tdm_slot(struct snd_soc_dai *dai, unsigned int tx_mask,
 			       unsigned int rx_mask, int slots,
 			       int slot_width);