if (ret)
                return ret;
 
-       iwl_mvm_fw_dbg_collect(mvm, FW_DBG_TRIGGER_USER, NULL, 0, NULL);
+       iwl_mvm_fw_dbg_collect(mvm, FW_DBG_TRIGGER_USER, buf,
+                              (count - 1), NULL);
 
        iwl_mvm_unref(mvm, IWL_MVM_REF_PRPH_WRITE);
 
 MVM_DEBUGFS_READ_WRITE_FILE_OPS(scan_ant_rxchain, 8);
 MVM_DEBUGFS_READ_WRITE_FILE_OPS(d0i3_refs, 8);
 MVM_DEBUGFS_READ_WRITE_FILE_OPS(fw_dbg_conf, 8);
-MVM_DEBUGFS_WRITE_FILE_OPS(fw_dbg_collect, 8);
+MVM_DEBUGFS_WRITE_FILE_OPS(fw_dbg_collect, 64);
 MVM_DEBUGFS_WRITE_FILE_OPS(cont_recording, 8);
 
 #ifdef CONFIG_IWLWIFI_BCAST_FILTERING