Em 22-04-2013 04:18, Hans Verkuil escreveu:
On Sun April 21 2013 21:00:36 Mauro Carvalho Chehab wrote:Properly initialize the fields for VIDIOC_G_TUNER, if the device is in SDR mode. Signed-off-by: Mauro Carvalho Chehab <mchehab@xxxxxxxxxx> --- drivers/media/v4l2-core/tuner-core.c | 29 +++++++++++++++++++++++++---- 1 file changed, 25 insertions(+), 4 deletions(-) diff --git a/drivers/media/v4l2-core/tuner-core.c b/drivers/media/v4l2-core/tuner-core.c index b97ec63..e54b5ae 100644 --- a/drivers/media/v4l2-core/tuner-core.c +++ b/drivers/media/v4l2-core/tuner-core.c @@ -1190,7 +1190,31 @@ static int tuner_g_tuner(struct v4l2_subdev *sd, struct v4l2_tuner *vt) } /* radio mode */ - if (vt->type == t->mode) { + vt->capability |= V4L2_TUNER_CAP_LOW | V4L2_TUNER_CAP_STEREO; + + if (V4L2_TUNER_IS_SDR(vt->type)) { + vt->rangelow = tv_range[0] * 16000; + vt->rangehigh = tv_range[1] * 16000;Why use tv_range for SDR? It's a bit odd for something called SD 'Radio'.
Because it is the widest known range, and it covers already the FM range. A latter patch will improve the range, by adding a tuner callback to query about what's the real supported range, with will be typically broader than the TV one. Regards, Mauro -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
