diff options
| author | Manu Abraham <abraham.manu@gmail.com> | 2009-12-04 05:15:38 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2010-01-17 11:55:35 -0200 |
| commit | 4d5a28efda3ce12529e4b90832184f62c7a50848 (patch) | |
| tree | 20708b6bb6cc1822e73e7d0f33af7926a6089e57 /drivers | |
| parent | ac23f4c86c3c901f95d72fc2262b22e6230d4feb (diff) | |
| download | op-kernel-dev-4d5a28efda3ce12529e4b90832184f62c7a50848.zip op-kernel-dev-4d5a28efda3ce12529e4b90832184f62c7a50848.tar.gz | |
V4L/DVB (13750): [Mantis] GPIO_CONTROL: Cache a given GPIO Bit Setup for a given event
Signed-off-by: Manu Abraham <manu@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/media/dvb/mantis/mantis_common.h | 2 | ||||
| -rw-r--r-- | drivers/media/dvb/mantis/mantis_core.c | 11 |
2 files changed, 6 insertions, 7 deletions
diff --git a/drivers/media/dvb/mantis/mantis_common.h b/drivers/media/dvb/mantis/mantis_common.h index 0aa4001..75f0773 100644 --- a/drivers/media/dvb/mantis/mantis_common.h +++ b/drivers/media/dvb/mantis/mantis_common.h @@ -137,7 +137,7 @@ struct mantis_pci { u32 sub_device_id; /* A12 A13 A14 */ - int gpio_status; + u32 gpio_status; struct mantis_ca *mantis_ca; }; diff --git a/drivers/media/dvb/mantis/mantis_core.c b/drivers/media/dvb/mantis/mantis_core.c index b94d051..3fd3b08 100644 --- a/drivers/media/dvb/mantis/mantis_core.c +++ b/drivers/media/dvb/mantis/mantis_core.c @@ -185,16 +185,15 @@ int mantis_core_exit(struct mantis_pci *mantis) // Turn the given bit on or off. void gpio_set_bits(struct mantis_pci *mantis, u32 bitpos, u8 value) { - u32 currVal, newVal; - - currVal = mmread(MANTIS_GPIF_ADDR); + u32 cur; + cur = mmread(MANTIS_GPIF_ADDR); if (value) - newVal = currVal | (1 << bitpos); + mantis->gpio_status = cur | (1 << bitpos); else - newVal = currVal & (~(1 << bitpos)); + mantis->gpio_status = cur & (~(1 << bitpos)); - mmwrite(newVal, MANTIS_GPIF_ADDR); + mmwrite(mantis->gpio_status, MANTIS_GPIF_ADDR); mmwrite(0x00, MANTIS_GPIF_DOUT); udelay(100); } |
