Messages in this thread Patch in this message | | | Date | Fri, 7 Nov 2008 15:15:49 -0800 | From | Greg KH <> | Subject | [patch 13/23] DVB: s5h1411: Power down s5h1411 when not in use |
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2.6.26-stable review patch. If anyone has any objections, please let us know.
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From: Devin Heitmueller <devin.heitmueller@gmail.com>
commit 11fc9a4a440112b5afc1a99d86ba92d70205a688 upstream.
DVB: 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> Signed-off-by: Michael Krufky <mkrufky@linuxtv.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
--- drivers/media/dvb/frontends/s5h1411.c | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-)
--- a/drivers/media/dvb/frontends/s5h1411.c +++ b/drivers/media/dvb/frontends/s5h1411.c @@ -549,7 +549,7 @@ static int s5h1411_set_gpio(struct dvb_f 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; @@ -565,6 +565,11 @@ static int s5h1411_sleep(struct dvb_fron 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; @@ -614,7 +619,7 @@ static int s5h1411_init(struct dvb_front 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++) @@ -878,6 +883,7 @@ static struct dvb_frontend_ops s5h1411_o }, .init = s5h1411_init, + .sleep = s5h1411_sleep, .i2c_gate_ctrl = s5h1411_i2c_gate_ctrl, .set_frontend = s5h1411_set_frontend, .get_frontend = s5h1411_get_frontend, --
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