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author | Trent Piepho <xyzzy@speakeasy.org> | 2009-01-28 21:32:59 -0300 |
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committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2009-03-30 12:42:46 -0300 |
commit | abb0362f49c361f71b5aa6d244d4847145ed53c1 (patch) | |
tree | d59799fe09af041a4f630d8e4f49e8eb3b32968b /drivers/hwmon/lm78.c | |
parent | 72134a6d5199c3f5c8efe914e49072bde95948b3 (diff) |
V4L/DVB (10560): bttv: make tuner card info more consistent
The bttv card database structure had a "tuner" field that was the input
number of the tuner input or UNSET for no tuner. However, the only values
it could ever be are 0 and UNSET. Having a tuner on an input other than 0
didn't work and was never used.
There is also a "tuner_type" field that can be set to TUNER_ABSENT to
indicate no tuner, which makes "tuner = UNSET" redundant. In many cases,
tuner_type was set to UNSET when there was no tuner, which isn't quite
correct. tuner_type == UNSET is supposed to mean the tuner type isn't yet
known.
So, I changed cards where "tuner == UNSET" to always have tuner_type of
TUNER_ABSENT. At this point the tuner field is redundant, so I deleted it.
I have the card setup code set the card's tuner_type (not the card type's
tuner_type!) to TUNER_ABSENT if it hasn't yet been set at the end of the
setup code. Various places that check if the card has a tuner will now
look for this instead of checking the card type's "tuner" field.
Also autoload the tuner module before issuing the TUNER_SET_TYPE_ADDR I2C
client call instead of after issuing it.
Overall, on ia32 this decreases compiled code size by about 24 bytes and
reduces the data size by 640 bytes.
Signed-off-by: Trent Piepho <xyzzy@speakeasy.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/hwmon/lm78.c')
0 files changed, 0 insertions, 0 deletions