Fix completely broken mute handling radio-sf16fmi.
The sound was muted immediately after tuning in KRadio.
Also fix typos and add SF16-FMP to the texts.
Signed-off-by: NOndrej Zary <linux@rainbow-software.org>
Acked-by: NPetr Vandrovec <petr@vandrovec.name>
Signed-off-by: NDouglas Schilling Landgraf <dougsland@redhat.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>