V4L/DVB (8529): mxl5007t: enable _init and _sleep power management functionality

[pandora-kernel.git] / drivers / media / common / tuners / mxl5007t.c

diff --git a/drivers/media/common/tuners/mxl5007t.c b/drivers/media/common/tuners/mxl5007t.c
index 80cfa9b..f3b193a 100644 (file)
--- a/drivers/media/common/tuners/mxl5007t.c
+++ b/drivers/media/common/tuners/mxl5007t.c
@@ -830,27 +830,53 @@ fail:
 static int mxl5007t_init(struct dvb_frontend *fe)
 {
        struct mxl5007t_state *state = fe->tuner_priv;
-       //int ret;
+       int ret;
+       u8 d;
 
        mutex_lock(&state->lock);
-       /* do init */
-//fail:
+
+       if (fe->ops.i2c_gate_ctrl)
+               fe->ops.i2c_gate_ctrl(fe, 1);
+
+       ret = mxl5007t_read_reg(state, 0x05, &d);
+       if (mxl_fail(ret))
+               goto fail;
+
+       ret = mxl5007t_write_reg(state, 0x05, d | 0x01);
+       mxl_fail(ret);
+fail:
+       if (fe->ops.i2c_gate_ctrl)
+               fe->ops.i2c_gate_ctrl(fe, 0);
+
        mutex_unlock(&state->lock);
 
-       return 0;//ret;
+       return ret;
 }
 
 static int mxl5007t_sleep(struct dvb_frontend *fe)
 {
        struct mxl5007t_state *state = fe->tuner_priv;
-       //int ret;
+       int ret;
+       u8 d;
 
        mutex_lock(&state->lock);
-       /* do standby */
-//fail:
+
+       if (fe->ops.i2c_gate_ctrl)
+               fe->ops.i2c_gate_ctrl(fe, 1);
+
+       ret = mxl5007t_read_reg(state, 0x05, &d);
+       if (mxl_fail(ret))
+               goto fail;
+
+       ret = mxl5007t_write_reg(state, 0x05, d & ~0x01);
+       mxl_fail(ret);
+fail:
+       if (fe->ops.i2c_gate_ctrl)
+               fe->ops.i2c_gate_ctrl(fe, 0);
+
        mutex_unlock(&state->lock);
 
-       return 0;//ret;
+       return ret;
 }
 
 /* ------------------------------------------------------------------------- */