From 4d5a28efda3ce12529e4b90832184f62c7a50848 Mon Sep 17 00:00:00 2001 From: Manu Abraham Date: Fri, 4 Dec 2009 05:15:38 -0300 Subject: [PATCH] V4L/DVB (13750): [Mantis] GPIO_CONTROL: Cache a given GPIO Bit Setup for a given event Signed-off-by: Manu Abraham Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb/mantis/mantis_common.h | 2 +- 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 0aa4001dea9..75f07736e00 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 b94d0515de4..3fd3b0801cf 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); } -- 2.41.0