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| author | Steven Toth <stoth@linuxtv.org> | 2008-10-20 09:33:22 -0400 |
|---|---|---|
| committer | Steven Toth <stoth@linuxtv.org> | 2008-10-20 09:33:22 -0400 |
| commit | 97d64ef8425ad2941d697e352858021b9ed0b2c6 (patch) | |
| tree | f7118e68c439130b899ecc358bd3a36c8be275dc /linux/drivers/media/dvb | |
| parent | 053f35499249506e2e5aea4080483e318d4d45ea (diff) | |
| download | mediapointer-dvb-s2-97d64ef8425ad2941d697e352858021b9ed0b2c6.tar.gz mediapointer-dvb-s2-97d64ef8425ad2941d697e352858021b9ed0b2c6.tar.bz2 | |
s5h1411: Power down s5h1411 when not in use
From: Devin Heitmueller <devin.heitmueller@gmail.com>
Power down the s5h1411 demodulator when not in use (on the Pinnacle 801e, this
brings idle power from 123ma down to 84ma).
Priority: normal
Signed-off-by: Devin Heitmueller <devin.heitmueller@gmail.com>
Acked-by: Steven Toth <stoth@linuxtv.org>
Diffstat (limited to 'linux/drivers/media/dvb')
| -rw-r--r-- | linux/drivers/media/dvb/frontends/s5h1411.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/linux/drivers/media/dvb/frontends/s5h1411.c b/linux/drivers/media/dvb/frontends/s5h1411.c index b9ac6d35a..40644aacf 100644 --- a/linux/drivers/media/dvb/frontends/s5h1411.c +++ b/linux/drivers/media/dvb/frontends/s5h1411.c @@ -554,7 +554,7 @@ static int s5h1411_set_gpio(struct dvb_frontend *fe, int enable) return s5h1411_writereg(state, S5H1411_I2C_TOP_ADDR, 0xe0, val); } -static int s5h1411_sleep(struct dvb_frontend *fe, int enable) +static int s5h1411_set_powerstate(struct dvb_frontend *fe, int enable) { struct s5h1411_state *state = fe->demodulator_priv; @@ -570,6 +570,11 @@ static int s5h1411_sleep(struct dvb_frontend *fe, int enable) return 0; } +static int s5h1411_sleep(struct dvb_frontend *fe) +{ + return s5h1411_set_powerstate(fe, 1); +} + static int s5h1411_register_reset(struct dvb_frontend *fe) { struct s5h1411_state *state = fe->demodulator_priv; @@ -619,7 +624,7 @@ static int s5h1411_init(struct dvb_frontend *fe) dprintk("%s()\n", __func__); - s5h1411_sleep(fe, 0); + s5h1411_set_powerstate(fe, 0); s5h1411_register_reset(fe); for (i = 0; i < ARRAY_SIZE(init_tab); i++) @@ -889,6 +894,7 @@ static struct dvb_frontend_ops s5h1411_ops = { }, .init = s5h1411_init, + .sleep = s5h1411_sleep, .i2c_gate_ctrl = s5h1411_i2c_gate_ctrl, .set_frontend = s5h1411_set_frontend, .get_frontend = s5h1411_get_frontend, |