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bmi3: fixed the mysterious "mute on first call" bug When UI-enabled fw boots on a previously blank (no /mmi/* files) FFS for the first time, the output_volume member of the persistent UI settings structure was left uninitialized, corresponding to the earpiece volume being set to mute, which is an invalid setting. Because of other quirks in the far-from-finished UI code, this volume setting takes effect only when the first call is answered, producing the odd behaviour seen at the user level. The current fix is to set the blank-FFS default for output_volume to volume level 4, which is the same -6 dB Iota volume as the ACI default.
author Mychaela Falconia <falcon@freecalypso.org>
date Thu, 14 May 2020 02:50:41 +0000
parents c9a65db8be4a
children
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1 The latest official firmware for Openmoko Neo1973 and Neo FreeRunner Calypso
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2 modems is moko13 as of this writing; moko13 is FreeCalypso Magnetite Hg
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3 changeset 286:840113655bbf built for the gtamodem target in the l1reconst
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4 configuration. There have been many changes in FC Magnetite since then, but
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5 few of them affect the l1reconst config on the gtamodem target in any
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6 noticeable way. The few noticeable post-moko13 changes which we do have in our
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7 current l1reconst code are not deemed important enough to justify making
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8 another formal release for a no-longer-made hardware platform that no longer
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9 has any real user community either.
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10
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11 However, we also have the new TCS2/TCS3 hybrid config in which the old version
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12 of the G23M protocol stack from Openmoko (binary libs only, no source) has been
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13 replaced with a newer version from TI's TCS3/LoCosto program, and this new
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14 version is full source. This hybrid firmware has now reached the state where
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15 it is ready to be exercised by adventurous beta users in real-life usage.
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16
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17 The new hybrid fw for the gtamodem target can be built as follows:
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19 ./configure.sh gtamodem hybrid
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20 cd build-gtamodem-hybrid; make
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22 Then after enduring the very slow build, you can flash it with fc-loadtool:
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24 loadtool> flash erase 0 0x250000
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25 loadtool> flash program-bin 0 fwimage.bin
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26
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27 If you are brave enough to do the above, please let us know how this new modem
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28 firmware fares when driven by QtMoko or SHR on the AP - it would definitely be
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29 an adventure! We would be most interested in working with developers or
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30 maintainers of specific AP software components that are directly responsible
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31 for talking AT commands to the modem, if there are any such developers or
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32 maintainers still around.