Input: soc_button_array - silence -ENOENT error on Dell XPS13 9365
authorHans de Goede <hdegoede@redhat.com>
Sun, 20 Aug 2017 16:29:03 +0000 (09:29 -0700)
committerDmitry Torokhov <dmitry.torokhov@gmail.com>
Sun, 20 Aug 2017 16:30:23 +0000 (09:30 -0700)
The Dell XPS13 9365 has an INT33D2 ACPI node with no GPIOs, causing
the following error in dmesg:

[    7.172275] soc_button_array: probe of INT33D2:00 failed with error -2

This commit silences this, by returning -ENODEV when there are no GPIOs.

BugLink: https://bugzilla.kernel.org/show_bug.cgi?id=196679
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
drivers/input/misc/soc_button_array.c

index f600f3a..23520df 100644 (file)
@@ -331,7 +331,7 @@ static int soc_button_probe(struct platform_device *pdev)
        error = gpiod_count(dev, NULL);
        if (error < 0) {
                dev_dbg(dev, "no GPIO attached, ignoring...\n");
-               return error;
+               return -ENODEV;
        }
 
        priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);