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Let rtlsdr_set_tuner_if_gain return -1 upon error. #21

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Let rtlsdr_set_tuner_if_gain return -1 upon error. #21

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4 changes: 2 additions & 2 deletions src/librtlsdr.c
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Original file line number Diff line number Diff line change
Expand Up @@ -1025,10 +1025,10 @@ int rtlsdr_get_tuner_gain(rtlsdr_dev_t *dev)

int rtlsdr_set_tuner_if_gain(rtlsdr_dev_t *dev, int stage, int gain)
{
int r = 0;
int r = -1;

if (!dev || !dev->tuner)
return -1;
return r;

if (dev->tuner->set_if_gain) {
rtlsdr_set_i2c_repeater(dev, 1);
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