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undo VGA gain steps change

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appears to cause issues with dump1090-fa
This commit is contained in:
rtlsdrblog 2024-06-17 12:07:37 +12:00
parent 065e3d1a11
commit 83e71541ef
2 changed files with 6 additions and 2 deletions
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.vs/rtlsdr/v15/.suo Normal file
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8
src/tuner_r82xx.c
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@ -1037,7 +1037,9 @@ int r82xx_set_vga_gain(struct r82xx_priv *priv) {
int rc; int rc;
/* set fixed VGA gain based on frequency */ /* set fixed VGA gain based on frequency */
if (priv->rf_freq > MHZ(1350)) { /* Disable for now. While it improves performance in some applications
it appears to severely degrade performance in others */
/*if (priv->rf_freq > MHZ(1350)) {
rc = r82xx_write_reg_mask(priv, 0x0c, 0x0f, 0x9f); // Max 40.5 dB rc = r82xx_write_reg_mask(priv, 0x0c, 0x0f, 0x9f); // Max 40.5 dB
} }
else if (priv->rf_freq > MHZ(1000)) { else if (priv->rf_freq > MHZ(1000)) {
@ -1045,7 +1047,9 @@ int r82xx_set_vga_gain(struct r82xx_priv *priv) {
} }
else { else {
rc = r82xx_write_reg_mask(priv, 0x0c, 0x08, 0x9f); // 16.3 dB rc = r82xx_write_reg_mask(priv, 0x0c, 0x08, 0x9f); // 16.3 dB
} }*/
rc = r82xx_write_reg_mask(priv, 0x0c, 0x08, 0x9f); // 16.3 dB
return rc; return rc;
} }