[media] saa7134: v4l2-compliance: don't report invalid audio modes for radio

Make saa7134 driver more V4L2 compliant: filter audio modes that came from
tuner - keep only MONO/STEREO in radio mode

Signed-off-by: Ondrej Zary <linux@rainbow-software.org>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

diff --git a/drivers/media/pci/saa7134/saa7134-video.c b/drivers/media/pci/saa7134/saa7134-video.c
index 88e84c3..0f2d3bd 100644 (file)
--- a/drivers/media/pci/saa7134/saa7134-video.c
+++ b/drivers/media/pci/saa7134/saa7134-video.c
@@ -2349,6 +2349,7 @@ static int radio_g_tuner(struct file *file, void *priv,
        t->type = V4L2_TUNER_RADIO;
 
        saa_call_all(dev, tuner, g_tuner, t);
+       t->audmode &= V4L2_TUNER_MODE_MONO | V4L2_TUNER_MODE_STEREO;
        if (dev->input->amux == TV) {
                t->signal = 0xf800 - ((saa_readb(0x581) & 0x1f) << 11);
                t->rxsubchans = (saa_readb(0x529) & 0x08) ?