\documentclass{beamer}
\usetheme{linutronix}
\usepackage{german}
\usepackage[utf8]{inputenc}
\usepackage{pgf}
\usepackage{graphicx}

\title{Title of Presentation}
%% \author{Hans-Jürgen Koch}
\institute{Linutronix GmbH}

\begin{document}

\maketitle

% ----- Slide 1 ------------------
\begin{frame}
%% \includegraphics[width=11cm]{myfirst.jpg}
\end{frame}

% ----- Slide 2 ------------------
\begin{frame}
\frametitle{A Frametitle}
\pause
\begin{itemize}
\item Item 1
\pause
\item Item 2
\pause
\item Item 3
\pause
\item Item 4
\pause
\begin{block}{Important stuff}
\end{block}
\end{itemize}
\end{frame}

% ----- Slide with code --------------------------
\begin{frame}[fragile]
\frametitle{UIO interrupt handler}
\begin{verbatim}
static irqreturn_t my_handler(int irq,
                              struct uio_info *dev_info)
{
    if (IRQ is not caused by my hardware)
        return IRQ_NONE;

    /* Disable interrupt */
    (Perform some register access to silence the IRQ line)

    return IRQ_HANDLED;
}
\end{verbatim}
\end{frame}

\end{document}