Commit ef2ac114 authored by Hans de Goede's avatar Hans de Goede
Browse files

platform/x86: x86-android-tablets: Add support for registering GPIO lookup tables



Add support for registering GPIO lookup tables.

Signed-off-by: default avatarHans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20211229231431.437982-9-hdegoede@redhat.com
parent c2138b25
Loading
Loading
Loading
Loading
+9 −0
Original line number Diff line number Diff line
@@ -142,6 +142,7 @@ struct x86_serdev_info {
};

struct x86_dev_info {
	struct gpiod_lookup_table **gpiod_lookup_tables;
	const struct x86_i2c_client_info *i2c_client_info;
	const struct platform_device_info *pdev_info;
	const struct x86_serdev_info *serdev_info;
@@ -293,6 +294,7 @@ static int serdev_count;
static struct i2c_client **i2c_clients;
static struct platform_device **pdevs;
static struct serdev_device **serdevs;
static struct gpiod_lookup_table **gpiod_lookup_tables;

static __init int x86_instantiate_i2c_client(const struct x86_dev_info *dev_info,
					     int idx)
@@ -409,6 +411,9 @@ static void x86_android_tablet_cleanup(void)
		i2c_unregister_device(i2c_clients[i]);

	kfree(i2c_clients);

	for (i = 0; gpiod_lookup_tables && gpiod_lookup_tables[i]; i++)
		gpiod_remove_lookup_table(gpiod_lookup_tables[i]);
}

static __init int x86_android_tablet_init(void)
@@ -423,6 +428,10 @@ static __init int x86_android_tablet_init(void)

	dev_info = id->driver_data;

	gpiod_lookup_tables = dev_info->gpiod_lookup_tables;
	for (i = 0; gpiod_lookup_tables && gpiod_lookup_tables[i]; i++)
		gpiod_add_lookup_table(gpiod_lookup_tables[i]);

	i2c_clients = kcalloc(dev_info->i2c_client_count, sizeof(*i2c_clients), GFP_KERNEL);
	if (!i2c_clients)
		return -ENOMEM;