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authorAntti Palosaari <crope@iki.fi>2012-09-16 22:26:57 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2012-09-27 04:27:30 -0300
commit12897dc37648ac48b2aa2b3bb2d7df69625b6de5 (patch)
treee596d5dfcc15c5c8710d3737fdd9ecd4adb4c4b3 /drivers/media/dvb-frontends
parent51639be3b39b058d9f80cfd68c52887c7b96eb41 (diff)
downloadblackbird-op-linux-12897dc37648ac48b2aa2b3bb2d7df69625b6de5.tar.gz
blackbird-op-linux-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.c9
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:
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