aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/media/dvb-frontends/si21xx.h
diff options
context:
space:
mode:
authorMauro Carvalho Chehab <mchehab@redhat.com>2012-08-13 22:13:41 -0400
committerMauro Carvalho Chehab <mchehab@redhat.com>2012-08-13 22:13:41 -0400
commit9a0bf528b4d66b605f02634236da085595c22101 (patch)
treee9ff008ff15c3ee5add6d41173ee5e61939480dd /drivers/media/dvb-frontends/si21xx.h
parent3d6c2bc08ac4f75bf3597740357c98f2207ca412 (diff)
[media] move the dvb/frontends to drivers/media/dvb-frontends
Raise the DVB frontends one level up, as the intention is to remove the drivers/media/dvb directory. Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/dvb-frontends/si21xx.h')
-rw-r--r--drivers/media/dvb-frontends/si21xx.h37
1 files changed, 37 insertions, 0 deletions
diff --git a/drivers/media/dvb-frontends/si21xx.h b/drivers/media/dvb-frontends/si21xx.h
new file mode 100644
index 000000000000..141b5b8a5f63
--- /dev/null
+++ b/drivers/media/dvb-frontends/si21xx.h
@@ -0,0 +1,37 @@
1#ifndef SI21XX_H
2#define SI21XX_H
3
4#include <linux/dvb/frontend.h>
5#include "dvb_frontend.h"
6
7struct si21xx_config {
8 /* the demodulator's i2c address */
9 u8 demod_address;
10
11 /* minimum delay before retuning */
12 int min_delay_ms;
13};
14
15#if defined(CONFIG_DVB_SI21XX) || \
16 (defined(CONFIG_DVB_SI21XX_MODULE) && defined(MODULE))
17extern struct dvb_frontend *si21xx_attach(const struct si21xx_config *config,
18 struct i2c_adapter *i2c);
19#else
20static inline struct dvb_frontend *si21xx_attach(
21 const struct si21xx_config *config, struct i2c_adapter *i2c)
22{
23 printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
24 return NULL;
25}
26#endif
27
28static inline int si21xx_writeregister(struct dvb_frontend *fe, u8 reg, u8 val)
29{
30 int r = 0;
31 u8 buf[] = {reg, val};
32 if (fe->ops.write)
33 r = fe->ops.write(fe, buf, 2);
34 return r;
35}
36
37#endif