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| author |   Antti Palosaari <crope@iki.fi> | 2012-09-16 22:26:57 -0300 |
|---|---|---|
| committer |   Mauro Carvalho Chehab <mchehab@redhat.com> | 2012-09-27 04:27:30 -0300 |
| commit | 12897dc37648ac48b2aa2b3bb2d7df69625b6de5 (patch) | |
| tree | e596d5dfcc15c5c8710d3737fdd9ecd4adb4c4b3 /drivers/media/dvb-frontends | |
| parent | [media] af9035: implement TUA9001 GPIOs correctly (diff) | |
| download | linux-dev-12897dc37648ac48b2aa2b3bb2d7df69625b6de5.tar.xz linux-dev-12897dc37648ac48b2aa2b3bb2d7df69625b6de5.zip | |
[media] af9033: sleep on attach
This reduces power consumption 10mA.
Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/dvb-frontends')
| -rw-r--r-- | drivers/media/dvb-frontends/af9033.c | 9 |
1 files changed, 9 insertions, 0 deletions
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: |