From: Devin Heitmueller Date: Mon, 3 Nov 2008 04:04:38 +0000 (-0500) Subject: DVB: s5h1411: Power down s5h1411 when not in use X-Git-Tag: v2.6.26.8~11 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=fac229f3dcd33ed79adbda06badc802f81389485;p=thirdparty%2Fkernel%2Fstable.git DVB: s5h1411: Power down s5h1411 when not in use 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 Acked-by: Steven Toth Signed-off-by: Mauro Carvalho Chehab Signed-off-by: Michael Krufky Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/media/dvb/frontends/s5h1411.c b/drivers/media/dvb/frontends/s5h1411.c index 5ddf9ca581192..782625b9a9d36 100644 --- 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_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; @@ -565,6 +565,11 @@ 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; @@ -614,7 +619,7 @@ 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++) @@ -878,6 +883,7 @@ 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,