Commit 4d5a28ef authored by Manu Abraham's avatar Manu Abraham Committed by Mauro Carvalho Chehab
Browse files

V4L/DVB (13750): [Mantis] GPIO_CONTROL: Cache a given GPIO Bit Setup for a given event 



Signed-off-by: default avatarManu Abraham <manu@linuxtv.org>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@redhat.com>
parent ac23f4c8

drivers/media/dvb/mantis/mantis_common.h

+1 −1
Original line number Diff line number Diff line
@@ -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;

};

drivers/media/dvb/mantis/mantis_core.c

+5 −6
Original line number Diff line number Diff line
@@ -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);

}