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-rw-r--r--sound/soc/sof/loader.c21
1 files changed, 21 insertions, 0 deletions
diff --git a/sound/soc/sof/loader.c b/sound/soc/sof/loader.c
index 6e92a1285b91..b94fa5f5d480 100644
--- a/sound/soc/sof/loader.c
+++ b/sound/soc/sof/loader.c
@@ -49,6 +49,14 @@ static int get_cc_info(struct snd_sof_dev *sdev,
const struct sof_ipc_cc_version *cc =
container_of(ext_hdr, struct sof_ipc_cc_version, ext_hdr);
+ if (sdev->cc_version) {
+ if (memcmp(sdev->cc_version, cc, cc->ext_hdr.hdr.size)) {
+ dev_err(sdev->dev, "error: receive diverged cc_version descriptions");
+ return -EINVAL;
+ }
+ return 0;
+ }
+
dev_dbg(sdev->dev, "Firmware info: used compiler %s %d:%d:%d%s used optimization flags %s\n",
cc->name, cc->major, cc->minor, cc->micro, cc->desc,
cc->optim);
@@ -158,6 +166,16 @@ static int ext_man_get_windows(struct snd_sof_dev *sdev,
return get_ext_windows(sdev, &w->ipc_window.ext_hdr);
}
+static int ext_man_get_cc_info(struct snd_sof_dev *sdev,
+ const struct sof_ext_man_elem_header *hdr)
+{
+ const struct sof_ext_man_cc_version *cc;
+
+ cc = container_of(hdr, struct sof_ext_man_cc_version, hdr);
+
+ return get_cc_info(sdev, &cc->cc_version.ext_hdr);
+}
+
static ssize_t snd_sof_ext_man_size(const struct firmware *fw)
{
const struct sof_ext_man_header *head;
@@ -234,6 +252,9 @@ static int snd_sof_fw_ext_man_parse(struct snd_sof_dev *sdev,
case SOF_EXT_MAN_ELEM_WINDOW:
ret = ext_man_get_windows(sdev, elem_hdr);
break;
+ case SOF_EXT_MAN_ELEM_CC_VERSION:
+ ret = ext_man_get_cc_info(sdev, elem_hdr);
+ break;
default:
dev_warn(sdev->dev, "warning: unknown sof_ext_man header type %d size 0x%X\n",
elem_hdr->type, elem_hdr->size);