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>
diff --git a/drivers/media/common/tuners/mxl5007t.c b/drivers/media/common/tuners/mxl5007t.c
index 80cfa9b..f3b193a 100644
--- a/drivers/media/common/tuners/mxl5007t.c
+++ b/drivers/media/common/tuners/mxl5007t.c
@@ -830,27 +830,53 @@
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;
}
/* ------------------------------------------------------------------------- */