From b4797048f70e142a65ee2139085edb44b166d238 Mon Sep 17 00:00:00 2001 From: Patrick Boettcher Date: Sun, 10 Oct 2010 13:45:54 -0300 Subject: [media] stv090x: added function to control GPIOs from the outside This patch STV090X adds and exports a function to control the GPIOs of the stv090x-devices. Cc: Manu Abraham Signed-off-by: Martin Wilks Signed-off-by: Patrick Boettcher Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb/frontends/stv090x.c | 14 ++++++++++++++ 1 file changed, 14 insertions(+) (limited to 'drivers/media/dvb/frontends/stv090x.c') diff --git a/drivers/media/dvb/frontends/stv090x.c b/drivers/media/dvb/frontends/stv090x.c index 4e0fc2c8a41..63cb4f8fa6c 100644 --- a/drivers/media/dvb/frontends/stv090x.c +++ b/drivers/media/dvb/frontends/stv090x.c @@ -4516,6 +4516,20 @@ err: return -1; } +int stv090x_set_gpio(struct dvb_frontend *fe, u8 gpio, u8 dir, u8 value, + u8 xor_value) +{ + struct stv090x_state *state = fe->demodulator_priv; + u8 reg = 0; + + STV090x_SETFIELD(reg, GPIOx_OPD_FIELD, dir); + STV090x_SETFIELD(reg, GPIOx_CONFIG_FIELD, value); + STV090x_SETFIELD(reg, GPIOx_XOR_FIELD, xor_value); + + return stv090x_write_reg(state, STV090x_GPIOxCFG(gpio), reg); +} +EXPORT_SYMBOL(stv090x_set_gpio); + static struct dvb_frontend_ops stv090x_ops = { .info = { -- cgit v1.2.3-70-g09d2