summaryrefslogtreecommitdiffstats
path: root/drivers/media/dvb/frontends/stv090x.h
diff options
context:
space:
mode:
authorPatrick Boettcher <pboettcher@kernellabs.com>2010-10-10 13:45:54 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2011-03-21 20:31:32 -0300
commitb4797048f70e142a65ee2139085edb44b166d238 (patch)
tree1a5bd74dfdde3936251f962bbafd848a57d86d95 /drivers/media/dvb/frontends/stv090x.h
parent521cb40b0c44418a4fd36dc633f575813d59a43d (diff)
[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 <abraham.manu@gmail.com> Signed-off-by: Martin Wilks <m.wilks@technisat.com> Signed-off-by: Patrick Boettcher <pboettcher@kernellabs.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/dvb/frontends/stv090x.h')
-rw-r--r--drivers/media/dvb/frontends/stv090x.h12
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/media/dvb/frontends/stv090x.h b/drivers/media/dvb/frontends/stv090x.h
index dd1b93ae4e9..11754f2f643 100644
--- a/drivers/media/dvb/frontends/stv090x.h
+++ b/drivers/media/dvb/frontends/stv090x.h
@@ -104,6 +104,11 @@ struct stv090x_config {
extern struct dvb_frontend *stv090x_attach(const struct stv090x_config *config,
struct i2c_adapter *i2c,
enum stv090x_demodulator demod);
+
+/* dir = 0 -> output, dir = 1 -> input/open-drain */
+extern int stv090x_set_gpio(struct dvb_frontend *fe, u8 gpio,
+ u8 dir, u8 value, u8 xor_value);
+
#else
static inline struct dvb_frontend *stv090x_attach(const struct stv090x_config *config,
@@ -113,6 +118,13 @@ static inline struct dvb_frontend *stv090x_attach(const struct stv090x_config *c
printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
return NULL;
}
+
+static inline int stv090x_set_gpio(struct dvb_frontend *fe, u8 gpio,
+ u8 opd, u8 value, u8 xor_value)
+{
+ printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
+ return -ENODEV;
+}
#endif /* CONFIG_DVB_STV090x */
#endif /* __STV090x_H */