968a612824
Report issues by shell files with:
git ls-files '*.sh' | xargs shellcheck --exclude=SC2162
Address the following:
- SC1087: Use braces when expanding arrays
- SC1091: Not following
- SC2004: `$`/`${}` is unnecessary on arithmetic variables
- SC2024: `sudo` doesn't affect redirects
- SC2034: foo appears unused. Verify it or export it
- SC2086: Double quote to prevent globbing and word splitting
- SC2087: Quote `EOF`
- SC2115: Use `"${var:?}"` to ensure this never expands to `/*`
- SC2148: Add a shebang
Addresses (at least partially) some POSIX/dash issues:
- SC2113: `function` keyword is non-standard
- SC3010: In POSIX sh, `[[` `]]` is undefined
- SC3014: In POSIX sh, `==` in place of `=` is undefined
- SC3020: In POSIX sh, `&>` is undefined
- SC3046: In POSIX sh, `source` in place of `.` is undefined
Does not address:
- SC2162: `read` without `-r` will mangle backslashes
- Any other POSIX/dash-specific issues
Signed-off-by: Tim Crawford <tcrawford@system76.com>
38 lines
897 B
Bash
Executable File
38 lines
897 B
Bash
Executable File
#!/usr/bin/env bash
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if [ "${EUID}" != "0" ]
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then
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exec sudo "$0" "$@"
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fi
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set -e
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for codec in /dev/snd/hw*
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do
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codec_id="$(basename "${codec}")"
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codec_sys="/sys/class/sound/${codec_id}"
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vendor="$(cat "${codec_sys}/vendor_name")"
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chip="$(cat "${codec_sys}/chip_name")"
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if [ "${vendor}" = "Realtek" ]
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then
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echo "# ${codec_id}: ${vendor} ${chip}"
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# Realtek vendor node
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nid=0x20
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# Get processing capabilities
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proc_cap="$(hda-verb "${codec}" "${nid}" PARAMETERS PROC_CAP 2>/dev/null | cut -d " " -f 3)"
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seq "$(("${proc_cap}" >> 8))" | while read index
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do
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# Set coefficient index
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index_hex="$(printf "0x%02x\n" "${index}")"
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hda-verb "${codec}" "${nid}" SET_COEF_INDEX "${index_hex}" >/dev/null 2>&1
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# Get processing coefficient
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value="$(hda-verb "${codec}" "${nid}" GET_PROC_COEF 0 2>/dev/null | cut -d " " -f 3)"
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echo "${index_hex}: ${value}"
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done
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fi
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done
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