On 04/Mai/2016 10:02, Hans Verkuil wrote:
> Hi Ismael,
>
> On 04/30/2016 05:17 AM, Ismael Luceno wrote:
> > Additionally, now it specifies which channels it's showing.
> >
> > Signed-off-by: Ismael Luceno <ism...@iodev.co.uk>
> > ---
> > drivers/media/pci/solo6x10/solo6x10-v4l2.c | 27 +++++++++------------------
> > 1 file changed, 9 insertions(+), 18 deletions(-)
> >
> > diff --git a/drivers/media/pci/solo6x10/solo6x10-v4l2.c
> > b/drivers/media/pci/solo6x10/solo6x10-v4l2.c
> > index 721ff53..935c1b6 100644
> > --- a/drivers/media/pci/solo6x10/solo6x10-v4l2.c
> > +++ b/drivers/media/pci/solo6x10/solo6x10-v4l2.c
> > @@ -386,26 +386,17 @@ static int solo_querycap(struct file *file, void
> > *priv,
> > static int solo_enum_ext_input(struct solo_dev *solo_dev,
> > struct v4l2_input *input)
> > {
> > - static const char * const dispnames_1[] = { "4UP" };
> > - static const char * const dispnames_2[] = { "4UP-1", "4UP-2" };
> > - static const char * const dispnames_5[] = {
> > - "4UP-1", "4UP-2", "4UP-3", "4UP-4", "16UP"
> > - };
> > - const char * const *dispnames;
> > -
> > - if (input->index >= (solo_dev->nr_chans + solo_dev->nr_ext))
> > - return -EINVAL;
> > -
> > - if (solo_dev->nr_ext == 5)
> > - dispnames = dispnames_5;
> > - else if (solo_dev->nr_ext == 2)
> > - dispnames = dispnames_2;
> > - else
> > - dispnames = dispnames_1;
> > + int ext = input->index - solo_dev->nr_chans;
> > + unsigned int nup, first;
> >
> > - snprintf(input->name, sizeof(input->name), "Multi %s",
> > - dispnames[input->index - solo_dev->nr_chans]);
> > + if (ext >= solo_dev->nr_ext)
> > + return -EINVAL;
> >
> > + nup = (ext == 4) ? 16 : 4;
> > + first = (ext & 3) << 2;
> > + snprintf(input->name, sizeof(input->name),
> > + "Multi %d-up (cameras %d-%d)",
> > + nup, first + 1, first + nup);
>
> Shouldn't this be: nup, first + 1, nup);
>
> Now it displays cameras as 1-5, 2-6, 3-7, 4-8 if I am not mistaken.
Hi Hans.
The var "first" takes the values {0, 4, 8, 12}, so the code is correct,
it displays: 1-4, 5-8, 9-12, 13-16, or 1-16.
Regards.
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