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authorMichael Krufky <mkrufky@linuxtv.org>2008-07-12 17:22:38 -0400
committerMauro Carvalho Chehab <mchehab@infradead.org>2008-07-27 10:07:30 -0400
commit452a53a247d9181bb0ec07ce1def51769619e9d2 (patch)
treefaab5dd402e9afbdd79a563666764978365a08b7 /drivers/media/common
parent2a83e4d5e40fd8eda3c04a5847f0876a4be9d45b (diff)
V4L/DVB (8529): mxl5007t: enable _init and _sleep power management functionality
Signed-off-by: Michael Krufky <mkrufky@linuxtv.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Diffstat (limited to 'drivers/media/common')
-rw-r--r--drivers/media/common/tuners/mxl5007t.c42
1 files changed, 34 insertions, 8 deletions
diff --git a/drivers/media/common/tuners/mxl5007t.c b/drivers/media/common/tuners/mxl5007t.c
index 80cfa9ba1dcf..f3b193ac6614 100644
--- a/drivers/media/common/tuners/mxl5007t.c
+++ b/drivers/media/common/tuners/mxl5007t.c
@@ -830,27 +830,53 @@ fail:
830static int mxl5007t_init(struct dvb_frontend *fe) 830static int mxl5007t_init(struct dvb_frontend *fe)
831{ 831{
832 struct mxl5007t_state *state = fe->tuner_priv; 832 struct mxl5007t_state *state = fe->tuner_priv;
833 //int ret; 833 int ret;
834 u8 d;
834 835
835 mutex_lock(&state->lock); 836 mutex_lock(&state->lock);
836 /* do init */ 837
837//fail: 838 if (fe->ops.i2c_gate_ctrl)
839 fe->ops.i2c_gate_ctrl(fe, 1);
840
841 ret = mxl5007t_read_reg(state, 0x05, &d);
842 if (mxl_fail(ret))
843 goto fail;
844
845 ret = mxl5007t_write_reg(state, 0x05, d | 0x01);
846 mxl_fail(ret);
847fail:
848 if (fe->ops.i2c_gate_ctrl)
849 fe->ops.i2c_gate_ctrl(fe, 0);
850
838 mutex_unlock(&state->lock); 851 mutex_unlock(&state->lock);
839 852
840 return 0;//ret; 853 return ret;
841} 854}
842 855
843static int mxl5007t_sleep(struct dvb_frontend *fe) 856static int mxl5007t_sleep(struct dvb_frontend *fe)
844{ 857{
845 struct mxl5007t_state *state = fe->tuner_priv; 858 struct mxl5007t_state *state = fe->tuner_priv;
846 //int ret; 859 int ret;
860 u8 d;
847 861
848 mutex_lock(&state->lock); 862 mutex_lock(&state->lock);
849 /* do standby */ 863
850//fail: 864 if (fe->ops.i2c_gate_ctrl)
865 fe->ops.i2c_gate_ctrl(fe, 1);
866
867 ret = mxl5007t_read_reg(state, 0x05, &d);
868 if (mxl_fail(ret))
869 goto fail;
870
871 ret = mxl5007t_write_reg(state, 0x05, d & ~0x01);
872 mxl_fail(ret);
873fail:
874 if (fe->ops.i2c_gate_ctrl)
875 fe->ops.i2c_gate_ctrl(fe, 0);
876
851 mutex_unlock(&state->lock); 877 mutex_unlock(&state->lock);
852 878
853 return 0;//ret; 879 return ret;
854} 880}
855 881
856/* ------------------------------------------------------------------------- */ 882/* ------------------------------------------------------------------------- */