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| author | Devin Heitmueller <devin.heitmueller@gmail.com> | 2008-10-20 15:33:22 +0200 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2008-10-21 18:31:06 +0200 |
| commit | 11fc9a4a440112b5afc1a99d86ba92d70205a688 (patch) | |
| tree | 1415f3acdd905fde9775372929d39c085215a894 /drivers/media/dvb/frontends/s5h1411.c | |
| parent | V4L/DVB (9315): s5h1411: Skip reconfiguring demod modulation if already at th... (diff) | |
| download | linux-11fc9a4a440112b5afc1a99d86ba92d70205a688.tar.xz linux-11fc9a4a440112b5afc1a99d86ba92d70205a688.zip | |
V4L/DVB (9316): s5h1411: Power down s5h1411 when not in use
Power down the s5h1411 demodulator when not in use (on the Pinnacle 801e, this
brings idle power from 123ma down to 84ma).
Signed-off-by: Devin Heitmueller <devin.heitmueller@gmail.com>
Acked-by: Steven Toth <stoth@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/dvb/frontends/s5h1411.c')
| -rw-r--r-- | drivers/media/dvb/frontends/s5h1411.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/drivers/media/dvb/frontends/s5h1411.c b/drivers/media/dvb/frontends/s5h1411.c index b9ac6d35a1eb..40644aacffcb 100644 --- a/drivers/media/dvb/frontends/s5h1411.c +++ b/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, |