@@ -83,7 +83,8 @@
#define SND_SOC_TPLG_NUM_TEXTS 16
/* ABI version */
-#define SND_SOC_TPLG_ABI_VERSION 0x5
+#define SND_SOC_TPLG_ABI_VERSION 0x5 /* current version */
+#define SND_SOC_TPLG_ABI_VERSION_MIN 0x4 /* oldest version supported */
/* Max size of TLV data */
#define SND_SOC_TPLG_TLV_SIZE 32
@@ -2056,7 +2056,9 @@ static int soc_valid_header(struct soc_tplg *tplg,
return -EINVAL;
}
- if (hdr->abi != SND_SOC_TPLG_ABI_VERSION) {
+ /* Support ABI from version 4 */
+ if (hdr->abi > SND_SOC_TPLG_ABI_VERSION
+ || hdr->abi < SND_SOC_TPLG_ABI_VERSION_MIN) {
dev_err(tplg->dev,
"ASoC: pass %d invalid ABI version got 0x%x need 0x%x at offset 0x%lx size 0x%zx.\n",
tplg->pass, hdr->abi,