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iio: adc: ad9361: Return ERROR code when writing manual gain in AGC m…
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…odes

Signed-off-by: Michael Hennerich <[email protected]>
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mhennerich committed Jan 23, 2018
1 parent 54b5e1a commit 101cdb9
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1 change: 1 addition & 0 deletions drivers/iio/adc/ad9361.c
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Original file line number Diff line number Diff line change
Expand Up @@ -1813,6 +1813,7 @@ static int ad9361_set_rx_gain(struct ad9361_rf_phy *phy,

if (val != RX_GAIN_CTL_MGC) {
dev_dbg(dev, "Rx gain can be set in MGC mode only\n");
rc = -EOPNOTSUPP;
goto out;
}

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@tfcollins this fix will cause some noise with the GRC fmcomms blocks.

Executing: /usr/bin/python -u /home/michael/devel/pshare/top_block.py

Unable to write attribute in_voltage0_hardwaregain: -95

We should make sure we only write manual gain, in case MGC mode is selected

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