This patch adds some error messages when a slave device fails to request a
channel.
Signed-off-by: NM'boumba Cedric Madianga <cedric.madianga@gmail.com>
Reviewed-by: NLudovic BARRE <ludovic.barre@st.com>
Signed-off-by: NVinod Koul <vinod.koul@intel.com>