From 89054e37a8bb48c1633149122a538eb50f3c0d34 Mon Sep 17 00:00:00 2001 From: Antti Palosaari Date: Tue, 11 Sep 2012 22:27:07 -0300 Subject: [media] tua9001: implement control pin callbacks There is three pins used for controlling that tuner. Implement those using frontend callback. Signed-off-by: Antti Palosaari Signed-off-by: Mauro Carvalho Chehab --- drivers/media/tuners/tua9001.h | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) (limited to 'drivers/media/tuners/tua9001.h') diff --git a/drivers/media/tuners/tua9001.h b/drivers/media/tuners/tua9001.h index 38d6ae76b1d6..cf5b815feff9 100644 --- a/drivers/media/tuners/tua9001.h +++ b/drivers/media/tuners/tua9001.h @@ -30,6 +30,26 @@ struct tua9001_config { u8 i2c_addr; }; +/* + * TUA9001 I/O PINs: + * + * CEN - chip enable + * 0 = chip disabled (chip off) + * 1 = chip enabled (chip on) + * + * RESETN - chip reset + * 0 = reset disabled (chip reset off) + * 1 = reset enabled (chip reset on) + * + * RXEN - RX enable + * 0 = RX disabled (chip idle) + * 1 = RX enabled (chip tuned) + */ + +#define TUA9001_CMD_CEN 0 +#define TUA9001_CMD_RESETN 1 +#define TUA9001_CMD_RXEN 2 + #if defined(CONFIG_MEDIA_TUNER_TUA9001) || \ (defined(CONFIG_MEDIA_TUNER_TUA9001_MODULE) && defined(MODULE)) extern struct dvb_frontend *tua9001_attach(struct dvb_frontend *fe, -- cgit