qnx系统中，有些目录只有444权限。通过串口调试的时候，无法操作对文件的写操作，影响调试效率。
修改：snapdragon-auto-gen3-hqx-1-2-1_hlos_dev_qnx\apps\qnx_ap\target\filesets\qc.audio.common.build\qc.audio.common.build
#Database Files
[uid=0 gid=0 perms=0444] etc/acdb/adp_8155/Bluetooth_cal.acdb=acdb/adp_8155/Bluetooth_cal.acdb
[uid=0 gid=0 perms=0444] etc/acdb/adp_8155/Codec_cal.acdb=acdb/adp_8155/Codec_cal.acdb
[uid=0 gid=0 perms=0777] etc/acdb/adp_8155/General_cal.acdb=acdb/adp_8155/General_cal.acdb
[uid=0 gid=0 perms=0777] etc/acdb/adp_8155/Global_cal.acdb=acdb/adp_8155/Global_cal.acdb
[uid=0 gid=0 perms=0444] etc/acdb/adp_8155/Handset_cal.acdb=acdb/adp_8155/Handset_cal.acdb
[uid=0 gid=0 perms=0444] etc/acdb/adp_8155/Hdmi_cal.acdb=acdb/adp_8155/Hdmi_cal.acdb
[uid=0 gid=0 perms=0444] etc/acdb/adp_8155/Headset_cal.acdb=acdb/adp_8155/Headset_cal.acdb
[uid=0 gid=0 perms=0777] etc/acdb/adp_8155/Speaker_cal.acdb=acdb/adp_8155/Speaker_cal.acdb
修改perms=0444成perms=0777