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path: root/drivers/media/dvb/frontends/cx22702.c
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Diffstat (limited to 'drivers/media/dvb/frontends/cx22702.c')
-rw-r--r--drivers/media/dvb/frontends/cx22702.c22
1 files changed, 16 insertions, 6 deletions
diff --git a/drivers/media/dvb/frontends/cx22702.c b/drivers/media/dvb/frontends/cx22702.c
index 5de0e6d350b1..0fc899f81c5e 100644
--- a/drivers/media/dvb/frontends/cx22702.c
+++ b/drivers/media/dvb/frontends/cx22702.c
@@ -195,6 +195,16 @@ static int cx22702_get_tps (struct cx22702_state *state, struct dvb_ofdm_paramet
return 0;
}
+static int cx22702_i2c_gate_ctrl(struct dvb_frontend* fe, int enable)
+{
+ struct cx22702_state* state = fe->demodulator_priv;
+ dprintk ("%s(%d)\n", __FUNCTION__, enable);
+ if (enable)
+ return cx22702_writereg (state, 0x0D, cx22702_readreg(state, 0x0D) & 0xfe);
+ else
+ return cx22702_writereg (state, 0x0D, cx22702_readreg(state, 0x0D) | 1);
+}
+
/* Talk to the demod, set the FEC, GUARD, QAM settings etc */
static int cx22702_set_tps (struct dvb_frontend* fe, struct dvb_frontend_parameters *p)
{
@@ -202,7 +212,7 @@ static int cx22702_set_tps (struct dvb_frontend* fe, struct dvb_frontend_paramet
struct cx22702_state* state = fe->demodulator_priv;
/* set PLL */
- cx22702_writereg (state, 0x0D, cx22702_readreg(state,0x0D) &0xfe);
+ cx22702_i2c_gate_ctrl(fe, 1);
if (state->config->pll_set) {
state->config->pll_set(fe, p);
} else if (state->config->pll_desc) {
@@ -216,7 +226,7 @@ static int cx22702_set_tps (struct dvb_frontend* fe, struct dvb_frontend_paramet
} else {
BUG();
}
- cx22702_writereg (state, 0x0D, cx22702_readreg(state,0x0D) | 1);
+ cx22702_i2c_gate_ctrl(fe, 0);
/* set inversion */
cx22702_set_inversion (state, p->inversion);
@@ -349,11 +359,10 @@ static int cx22702_init (struct dvb_frontend* fe)
cx22702_writereg (state, 0xf8, (state->config->output_mode << 1) & 0x02);
/* init PLL */
- if (state->config->pll_init) {
- cx22702_writereg (state, 0x0D, cx22702_readreg(state,0x0D) & 0xfe);
+ if (state->config->pll_init)
state->config->pll_init(fe);
- cx22702_writereg (state, 0x0D, cx22702_readreg(state,0x0D) | 1);
- }
+
+ cx22702_i2c_gate_ctrl(fe, 0);
return 0;
}
@@ -531,6 +540,7 @@ static struct dvb_frontend_ops cx22702_ops = {
.read_signal_strength = cx22702_read_signal_strength,
.read_snr = cx22702_read_snr,
.read_ucblocks = cx22702_read_ucblocks,
+ .i2c_gate_ctrl = cx22702_i2c_gate_ctrl,
};
module_param(debug, int, 0644);