From 12897dc37648ac48b2aa2b3bb2d7df69625b6de5 Mon Sep 17 00:00:00 2001 From: Antti Palosaari Date: Sun, 16 Sep 2012 22:26:57 -0300 Subject: [PATCH] [media] af9033: sleep on attach This reduces power consumption 10mA. Signed-off-by: Antti Palosaari Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb-frontends/af9033.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/drivers/media/dvb-frontends/af9033.c b/drivers/media/dvb-frontends/af9033.c index 0979ada2a20a..56e9611c0abb 100644 --- a/drivers/media/dvb-frontends/af9033.c +++ b/drivers/media/dvb-frontends/af9033.c @@ -909,6 +909,15 @@ struct dvb_frontend *af9033_attach(const struct af9033_config *config, "OFDM=%d.%d.%d.%d\n", KBUILD_MODNAME, buf[0], buf[1], buf[2], buf[3], buf[4], buf[5], buf[6], buf[7]); + /* sleep */ + ret = af9033_wr_reg(state, 0x80004c, 1); + if (ret < 0) + goto err; + + ret = af9033_wr_reg(state, 0x800000, 0); + if (ret < 0) + goto err; + /* configure internal TS mode */ switch (state->cfg.ts_mode) { case AF9033_TS_MODE_PARALLEL: -- 2.30.2