Commit f8e26cde authored by Marko Ristola's avatar Marko Ristola Committed by Mauro Carvalho Chehab
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V4L/DVB (13718): [Mantis] Use gpio_set_bits to turn OFF the bits as well 



Signed-off-by: default avatarMarko Ristola <marko.ristola@kolumbus.fi>
Signed-off-by: default avatarManu Abraham <manu@linuxtv.org>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@redhat.com>
parent 77557abe

drivers/media/dvb/mantis/mantis_core.c

+7 −9
Original line number Diff line number Diff line
@@ -172,25 +172,23 @@ int mantis_core_exit(struct mantis_pci *mantis) 
	return 0;

}



// Turn the given bit on or off.

void gpio_set_bits(struct mantis_pci *mantis, u32 bitpos, u8 value)

{

	u32 reg;

	u32 currVal, newVal;



	currVal = mmread(MANTIS_GPIF_ADDR);



	if (value)

		reg = 0x0000;

		newVal = currVal | (1 << bitpos);

	else

		reg = 0xffff;



	reg = (value << bitpos);

		newVal = currVal & (~(1 << bitpos));



	mmwrite(mmread(MANTIS_GPIF_ADDR) | reg, MANTIS_GPIF_ADDR);

	mmwrite(newVal, MANTIS_GPIF_ADDR);

	mmwrite(0x00, MANTIS_GPIF_DOUT);

	udelay(100);

	mmwrite(mmread(MANTIS_GPIF_ADDR) | reg, MANTIS_GPIF_ADDR);

	mmwrite(0x00, MANTIS_GPIF_DOUT);

}





//direction = 0 , no CI passthrough ; 1 , CI passthrough

void mantis_set_direction(struct mantis_pci *mantis, int direction)

{