[media] snd_tea575x: Add a cannot_mute flag

Some devices which use the tea575x tuner chip don't allow direct control
over the IO pins, and thus cannot mute the audio output.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
CC: Ondrej Zary <linux@rainbow-software.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/include/sound/tea575x-tuner.h b/include/sound/tea575x-tuner.h
index 7bd6f6145a38..fe8590cac5c2 100644
--- a/include/sound/tea575x-tuner.h
+++ b/include/sound/tea575x-tuner.h
@@ -53,6 +53,7 @@ struct snd_tea575x {
         int radio_nr;                   /* radio_nr */
         bool tea5759;                   /* 5759 chip is present */
         bool cannot_read_data;          /* Device cannot read the data pin */
+        bool cannot_mute;               /* Device cannot mute */
         bool mute;                      /* Device is muted? */
         bool stereo;                    /* receiving stereo */
         bool tuned;                     /* tuned to a station */