theupriser/steamify-cachyos
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fix: HDMI-CEC: Valve's CEC driver is downloaded once and kept in /var/cache/steamify (GitHub rate-limits repeated downloads with HTTP 429, which left CEC off)

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theupriser committed 2026-09-29 19:16:06 +02:00
1 parent fa181e3fee
commit 394facb226
2 files changed
+16 -7
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lib/cec.sh
+14 -6
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@@ -26,6 +26,9 @@ CEC_DKMS_VER=1
CEC_DKMS_SRC="/usr/src/$CEC_DKMS_NAME-$CEC_DKMS_VER"
CEC_DRIVER_URL="https://raw.githubusercontent.com/evlaV/linux-integration/10c8c8800ccd3ae359203b4eefb6479f613b3b8e/drivers/media/cec/platform/cros-ec/cros-ec-cec.c"
CEC_DRIVER_SHA256=e89fd4e87fceb32d713ffc59b64794779b3c2b3c012b0e2f2e9f0c40b42f4373
# Downloaded once, then kept: raw.githubusercontent.com rate-limits (HTTP 429) repeated downloads
# from one address, and turning CEC off and on again needs no network then.
CEC_DRIVER_CACHE="/var/cache/steamify/cros-ec-cec-${CEC_DRIVER_SHA256:0:12}.c"
cec_link_steamos_manager() {
# On a Steam Machine: steamos-manager writes cecd's config from Steam's
@@ -65,12 +68,17 @@ cec_driver_enable() {
fi
install_kernel_headers || return 1
tmp="$(mktemp -d)"
info "Downloading Valve's Steam Machine CEC driver..."
if ! curl -fsL "$CEC_DRIVER_URL" -o "$tmp/cros-ec-cec.c" ||
! echo "$CEC_DRIVER_SHA256 $tmp/cros-ec-cec.c" | sha256sum -c --quiet -; then
rm -rf "$tmp"
err "Downloading Valve's CEC driver failed (or its checksum didn't match)."
return 1
if [[ -f "$CEC_DRIVER_CACHE" ]] && echo "$CEC_DRIVER_SHA256 $CEC_DRIVER_CACHE" | sha256sum -c --quiet - 2>/dev/null; then
cp "$CEC_DRIVER_CACHE" "$tmp/cros-ec-cec.c"
else
info "Downloading Valve's Steam Machine CEC driver..."
if ! curl -fsL --retry 2 "$CEC_DRIVER_URL" -o "$tmp/cros-ec-cec.c" ||
! echo "$CEC_DRIVER_SHA256 $tmp/cros-ec-cec.c" | sha256sum -c --quiet -; then
rm -rf "$tmp"
err "Downloading Valve's CEC driver failed (or its checksum didn't match)."
return 1
fi
sudo install -Dm644 "$tmp/cros-ec-cec.c" "$CEC_DRIVER_CACHE"
fi
# So it finds amdgpu's HDMI port (see the patch for why).
patch_file cros-ec-cec-single-port.patch | patch -s -d "$tmp" -p1 ||