From 8fbf9349cfae3b9f0d86e0f8282135f4b301e58b Mon Sep 17 00:00:00 2001
From: Joshwiker14 <joshwiker14@gmail.com>
Date: Sat, 6 Jul 2024 19:12:18 -0600
Subject: [PATCH 1/3] Reset built-in controller after disconnect

The built-in controller doesn't always work after disconnecting from a Virtualhere client,
Reset the xhci driver for the usb hub connected to the built-in controller after disconnect.
---
 deckpad.sh   |  2 ++
 functions.sh | 19 +++++++++++++++++++
 2 files changed, 21 insertions(+)

diff --git a/deckpad.sh b/deckpad.sh
index 47a91da..b7de3ea 100755
--- a/deckpad.sh
+++ b/deckpad.sh
@@ -21,6 +21,7 @@ function run_as_root() {
     # Start
     set_brightness_to_minimum
     disable_sleep
+    find_controller
     start_virtualhere
 
     # Run - Block until Tap on screen
@@ -34,6 +35,7 @@ function run_as_root() {
     restore_brightness
     reenable_sleep
     stop_virtualhere
+    reset_controller
     wait quit_prompt_pid
 }
 
diff --git a/functions.sh b/functions.sh
index 5d9f6e2..e9fb87f 100644
--- a/functions.sh
+++ b/functions.sh
@@ -141,3 +141,22 @@ function run_prompt_stop {
     kill -s SIGKILL $(cat ./run_prompt_pid)
     rm ./run_prompt_pid
 }
+function find_controller {
+    # Locate the Built-in Steam controller by USB Vendor id (28de) and USB Product id (1205)
+    # These ids are different from the steam controller wireless dongle and the wired controller
+
+    # Fills variable steam_controller with directory of matching device
+    read -r -d '' steam_controller < <(find /sys/devices -path "*usb*" -type d -execdir sh -c 'grep --no-messages --silent "28de" "$0/idVendor" && grep --no-messages --silent "1205" "$0/idProduct"' '{}' \; -print0 2>/dev/null)
+    # Extract PCI bus id for the usb controller from the device path
+    steam_controller="${steam_controller%/*/*}"
+    steam_controller="${steam_controller##*/}"
+    echo "$steam_controller" >./controller_id
+}
+
+function reset_controller {
+    xhci_driver_path="/sys/bus/pci/drivers/xhci_hcd"
+    # Using both unbind/bind seems to be more reliable than just bind
+    cat "./controller_id" >"$xhci_driver_path/unbind"
+    cat "./controller_id" >"$xhci_driver_path/bind"
+    rm ./controller_id
+}
\ No newline at end of file

From 3397440eddb454821634cd18eb2af8a3343cf058 Mon Sep 17 00:00:00 2001
From: Joshwiker14 <joshwiker14@gmail.com>
Date: Mon, 15 Jul 2024 00:04:33 -0600
Subject: [PATCH 2/3] Small bugfix

---
 deckpad.sh | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/deckpad.sh b/deckpad.sh
index b7de3ea..a8e88eb 100755
--- a/deckpad.sh
+++ b/deckpad.sh
@@ -36,7 +36,12 @@ function run_as_root() {
     reenable_sleep
     stop_virtualhere
     reset_controller
+<<<<<<< HEAD
     wait quit_prompt_pid
+=======
+    wait $quit_prompt_pid
+    trap - EXIT
+>>>>>>> 9d44ff1 (Small bugfix)
 }
 
 source ./functions.sh

From 701ac9842acc7b1ef147a3d23afaab08d734c638 Mon Sep 17 00:00:00 2001
From: Joshwiker14 <joshwiker14@gmail.com>
Date: Sat, 3 Aug 2024 16:06:10 -0600
Subject: [PATCH 3/3] fixup! Small bugfix

---
 deckpad.sh | 5 -----
 1 file changed, 5 deletions(-)

diff --git a/deckpad.sh b/deckpad.sh
index a8e88eb..8fcbb9e 100755
--- a/deckpad.sh
+++ b/deckpad.sh
@@ -36,12 +36,7 @@ function run_as_root() {
     reenable_sleep
     stop_virtualhere
     reset_controller
-<<<<<<< HEAD
-    wait quit_prompt_pid
-=======
     wait $quit_prompt_pid
-    trap - EXIT
->>>>>>> 9d44ff1 (Small bugfix)
 }
 
 source ./functions.sh