vpu_codec_state_name
inst->id, vpu_codec_state_name(inst->state), vbuf->vb2_buf.index, vdec->seq_tag);
vpu_trace(inst->dev, "[%d] state = %s\n", inst->id, vpu_codec_state_name(inst->state));
vpu_codec_state_name(pre_state), vpu_codec_state_name(inst->state));
const char *vpu_codec_state_name(enum vpu_codec_state state);
num = scnprintf(str, sizeof(str), "state = %s\n", vpu_codec_state_name(inst->state));