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path: root/drivers/media/tuners/xc5000.c
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Diffstat (limited to 'drivers/media/tuners/xc5000.c')
-rw-r--r--drivers/media/tuners/xc5000.c17
1 files changed, 14 insertions, 3 deletions
diff --git a/drivers/media/tuners/xc5000.c b/drivers/media/tuners/xc5000.c
index 803a0e63d47..2a039de8ab9 100644
--- a/drivers/media/tuners/xc5000.c
+++ b/drivers/media/tuners/xc5000.c
@@ -62,6 +62,7 @@ struct xc5000_priv {
unsigned int mode;
u8 rf_mode;
u8 radio_input;
+ u16 output_amp;
int chip_id;
u16 pll_register_no;
@@ -744,7 +745,9 @@ static int xc5000_tune_digital(struct dvb_frontend *fe)
return -EIO;
}
- xc_write_reg(priv, XREG_OUTPUT_AMP, 0x8a);
+ dprintk(1, "%s() setting OUTPUT_AMP to 0x%x\n",
+ __func__, priv->output_amp);
+ xc_write_reg(priv, XREG_OUTPUT_AMP, priv->output_amp);
xc_tune_channel(priv, priv->freq_hz, XC_TUNE_DIGITAL);
@@ -1333,8 +1336,7 @@ static int xc5000_release(struct dvb_frontend *fe)
if (priv) {
cancel_delayed_work(&priv->timer_sleep);
- if (priv->firmware)
- release_firmware(priv->firmware);
+ release_firmware(priv->firmware);
hybrid_tuner_release_state(priv);
}
@@ -1358,6 +1360,9 @@ static int xc5000_set_config(struct dvb_frontend *fe, void *priv_cfg)
if (p->radio_input)
priv->radio_input = p->radio_input;
+ if (p->output_amp)
+ priv->output_amp = p->output_amp;
+
return 0;
}
@@ -1438,6 +1443,12 @@ struct dvb_frontend *xc5000_attach(struct dvb_frontend *fe,
it can be overridden if this is a hybrid driver */
priv->chip_id = (cfg->chip_id) ? cfg->chip_id : 0;
+ /* don't override output_amp if it's already been set
+ unless explicitly specified */
+ if ((priv->output_amp == 0) || (cfg->output_amp))
+ /* use default output_amp value if none specified */
+ priv->output_amp = (cfg->output_amp) ? cfg->output_amp : 0x8a;
+
/* Check if firmware has been loaded. It is possible that another
instance of the driver has loaded the firmware.
*/