nixpkgs/pkgs/os-specific/linux/kernel/dell-rfkill.patch

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Ensure that the dell-bluetooth device does not stay in the "hard
blocked" state.
From https://patchwork.kernel.org/patch/37539/
diff --git a/drivers/platform/x86/dell-laptop.c b/drivers/platform/x86/dell-laptop.c
index 74909c4..cf40c4e 100644
--- a/drivers/platform/x86/dell-laptop.c
+++ b/drivers/platform/x86/dell-laptop.c
@@ -197,8 +197,11 @@ static void dell_rfkill_query(struct rfkill *rfkill, void *data)
dell_send_request(&buffer, 17, 11);
status = buffer.output[1];
- if (status & BIT(bit))
- rfkill_set_hw_state(rfkill, !!(status & BIT(16)));
+ /*
+ * Don't change state unless the read-only HW rfkill switch is disabled.
+ */
+ if (status & BIT(16))
+ rfkill_set_hw_state(rfkill, !!(status & BIT(bit)));
}
static const struct rfkill_ops dell_rfkill_ops = {