chore(obj_scroll): improve function documentation #1

	name: Verify code formatting
	on:
	push:
	pull_request:

	jobs:
	verify-formatting:
	if: ${{ github.event_name != 'pull_request' \|\| github.repository != github.event.pull_request.head.repo.full_name }}
	runs-on: ubuntu-22.04
	steps:
	- name: Checkout
	uses: actions/checkout@v4
	with:
	persist-credentials: false
	fetch-depth: 0
	- name: Checkout astyle
	uses: actions/checkout@v4
	with:
	repository: lvgl/astyle
	path: astyle
	ref: v3.4.12
	- name: Install astyle
	run: \|
	cd astyle/build/gcc/
	make
	sudo make install
	astyle --version
	- name: Format code
	run: python code-format.py
	working-directory: scripts
	- name: Check that repository is clean
	shell: bash
	run: \|
	set -o pipefail
	if ! (git diff --exit-code --color=always \| tee /tmp/lvgl_diff.patch); then
	echo "Please apply the preceding diff to your code or run scripts/code-format.py"
	exit 1
	fi

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