In /logs/firmware/patool_extraction/DUMP/mtdblock8_unblob_extracted/mtdblock8_extract/0-9650176.squashfs_v4_le_extract/usr/bin/setupAudio line 4:
	echo "$0" [option] [value]
                  ^------^ SC2102 (info): Ranges can only match single chars (mentioned due to duplicates).


In /logs/firmware/patool_extraction/DUMP/mtdblock8_unblob_extracted/mtdblock8_extract/0-9650176.squashfs_v4_le_extract/usr/bin/setupAudio line 28:
	if [ "$value" == 1 ]; then
                      ^-- SC3014 (warning): In POSIX sh, == in place of = is undefined.


In /logs/firmware/patool_extraction/DUMP/mtdblock8_unblob_extracted/mtdblock8_extract/0-9650176.squashfs_v4_le_extract/usr/bin/setupAudio line 31:
		eval $(dumpKeys | tdb get Microphone)
                     ^-- SC2046 (warning): Quote this to prevent word splitting.


In /logs/firmware/patool_extraction/DUMP/mtdblock8_unblob_extracted/mtdblock8_extract/0-9650176.squashfs_v4_le_extract/usr/bin/setupAudio line 32:
		micEnable=$Enable_byte
                          ^----------^ SC2154 (warning): Enable_byte is referenced but not assigned.


In /logs/firmware/patool_extraction/DUMP/mtdblock8_unblob_extracted/mtdblock8_extract/0-9650176.squashfs_v4_le_extract/usr/bin/setupAudio line 33:
		micVolume=$Volume_byte
                          ^----------^ SC2154 (warning): Volume_byte is referenced but not assigned.


In /logs/firmware/patool_extraction/DUMP/mtdblock8_unblob_extracted/mtdblock8_extract/0-9650176.squashfs_v4_le_extract/usr/bin/setupAudio line 34:
		if [ "$micEnable" == 1 ]; then
                                  ^-- SC3014 (warning): In POSIX sh, == in place of = is undefined.


In /logs/firmware/patool_extraction/DUMP/mtdblock8_unblob_extracted/mtdblock8_extract/0-9650176.squashfs_v4_le_extract/usr/bin/setupAudio line 35:
			mixer igain $micVolume
                                    ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean: 
			mixer igain "$micVolume"


In /logs/firmware/patool_extraction/DUMP/mtdblock8_unblob_extracted/mtdblock8_extract/0-9650176.squashfs_v4_le_extract/usr/bin/setupAudio line 42:
	if [ "$value" == 1 ]; then
                      ^-- SC3014 (warning): In POSIX sh, == in place of = is undefined.


In /logs/firmware/patool_extraction/DUMP/mtdblock8_unblob_extracted/mtdblock8_extract/0-9650176.squashfs_v4_le_extract/usr/bin/setupAudio line 45:
		eval $(dumpKeys | tdb get Speaker)
                     ^---------------------------^ SC2046 (warning): Quote this to prevent word splitting.


In /logs/firmware/patool_extraction/DUMP/mtdblock8_unblob_extracted/mtdblock8_extract/0-9650176.squashfs_v4_le_extract/usr/bin/setupAudio line 48:
		if [ "$speakerEnable" == 1 ]; then
                                      ^-- SC3014 (warning): In POSIX sh, == in place of = is undefined.


In /logs/firmware/patool_extraction/DUMP/mtdblock8_unblob_extracted/mtdblock8_extract/0-9650176.squashfs_v4_le_extract/usr/bin/setupAudio line 49:
			mixer vol $speakerVolume
                                  ^------------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean: 
			mixer vol "$speakerVolume"

For more information:
  https://www.shellcheck.net/wiki/SC2046 -- Quote this to prevent word splitt...
  https://www.shellcheck.net/wiki/SC2154 -- Enable_byte is referenced but not...
  https://www.shellcheck.net/wiki/SC3014 -- In POSIX sh, == in place of = is ...