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chromebox_10th_audio_driver/scripts/diff-chromeos-ubuntu-sound.sh
2026-04-04 07:45:01 +00:00

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#!/usr/bin/env bash
# Summarize sound/soc diffs between ChromiumOS 5.15 tree and Ubuntu HWE 6.17 source tree.
set -euo pipefail
SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
REPO_ROOT="$(cd "$SCRIPT_DIR/.." && pwd)"
CH="${CH:-$REPO_ROOT/chromiumos_kernel/v5.15}"
UB="${UB:-$REPO_ROOT/kernel-src/linux-hwe-6.17-6.17.0}"
if [[ ! -d "$CH/sound/soc" || ! -d "$UB/sound/soc" ]]; then
echo "ERROR: need both trees:" >&2
echo " CH=$CH" >&2
echo " UB=$UB" >&2
exit 1
fi
echo "=== Git shallow check (ChromeOS tree) ==="
if [[ -d "$CH/.git" ]]; then
(cd "$CH" && echo "HEAD: $(git rev-parse --short HEAD)" && echo "commits reachable: $(git rev-list --count HEAD 2>/dev/null || echo '?')")
else
echo "(no .git under CH)"
fi
echo ""
echo "=== diff -rq file-level counts ==="
echo -n "sound/soc/sof/intel: "
( diff -rq "$CH/sound/soc/sof/intel" "$UB/sound/soc/sof/intel" 2>/dev/null || true ) | wc -l
echo -n "sound/soc/intel/boards: "
( diff -rq "$CH/sound/soc/intel/boards" "$UB/sound/soc/intel/boards" 2>/dev/null || true ) | wc -l
echo ""
echo "=== diff -u line counts (Kaisa / HDMI / IPC focus) ==="
FILES=(
sound/soc/intel/boards/sof_board_helpers.c
sound/soc/intel/boards/sof_rt5682.c
sound/soc/sof/intel/cnl.c
sound/soc/sof/intel/hda-ipc.c
sound/soc/sof/intel/hda-dai.c
sound/soc/sof/intel/hda-dsp.c
sound/soc/sof/pcm.c
sound/soc/sof/ipc3.c
)
for f in "${FILES[@]}"; do
if [[ -f "$CH/$f" && -f "$UB/$f" ]]; then
n=$( ( diff -u "$CH/$f" "$UB/$f" || true ) | wc -l )
printf '%6s %s\n' "$n" "$f"
else
printf '%6s %s (missing)\n' "-" "$f"
fi
done
echo ""
echo "Done. Full unified diffs: diff -u \"\$CH/<path>\" \"\$UB/<path>\" | less"