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[media] af9033: sleep on attach

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This reduces power consumption 10mA.

Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Antti Palosaari 2012-09-16 22:26:57 -03:00 committed by Mauro Carvalho Chehab
parent 51639be3b3
commit 12897dc376
1 changed files with 9 additions and 0 deletions
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9
drivers/media/dvb-frontends/af9033.c
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@ -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: