Patch-Source: https://github.com/raymanfx/libv4l-rs/pull/48/commits/aade3ba9014458a61fa08471c5c2fd8844c2ba73 (modified)
--
From aade3ba9014458a61fa08471c5c2fd8844c2ba73 Mon Sep 17 00:00:00 2001
From: "b.specht" <bernhard.specht@pentlandfirth.com>
Date: Tue, 21 Dec 2021 10:45:28 +0100
Subject: [PATCH] Let rust figure out the type

On certain platforms, like when cross-compiling to Android, strings are
defined as `u8` instead of `i8`.

diff --git a/src/device.rs b/src/device.rs
index 3442005..be93790 100644
--- a/libv4l-rs/src/device.rs
+++ b/libv4l-rs/src/device.rs
@@ -265,7 +265,7 @@ impl Device {
                         control.size = std::mem::size_of::<i64>() as u32;
                     }
                     control::Value::String(ref val) => {
-                        control.__bindgen_anon_1.string = val.as_ptr() as *mut i8;
+                        control.__bindgen_anon_1.string = val.as_ptr() as *mut _;
                         control.size = val.len() as u32;
                     }
                     control::Value::CompoundU8(ref val) => {