V4L/DVB (10562): bttv: rework the way digital inputs are indicated
The code was using a muxsel value of -1U to indicate a digital input. A
couple places in were checking of muxsel < 0 to detect this, which doesn't
work of course because muxsel is unsigned and can't be negative.
Only a couple cards had digital inputs and it was always the last one, so
for the card database create a one bit field that indicates the last input
is digital. On init, this is used to set a new field in the bttv struct to
the digital input's number or UNSET for none. This makes it easier to
check if the current input is digital.
Signed-off-by: Trent Piepho <xyzzy@speakeasy.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
diff --git a/drivers/media/video/bt8xx/bttvp.h b/drivers/media/video/bt8xx/bttvp.h
index 230e148..23ab1c9 100644
--- a/drivers/media/video/bt8xx/bttvp.h
+++ b/drivers/media/video/bt8xx/bttvp.h
@@ -329,7 +329,7 @@
unsigned int cardid; /* pci subsystem id (bt878 based ones) */
unsigned int tuner_type; /* tuner chip type */
unsigned int tda9887_conf;
- unsigned int svhs;
+ unsigned int svhs, dig;
struct bttv_pll_info pll;
int triton1;
int gpioirq;