diff mbox series

[08/12] platform/x86: x86-android-tablets: Add support for registering GPIO lookup tables

Message ID 20211229231431.437982-9-hdegoede@redhat.com
State Accepted
Commit ef2ac11493e24f6c5ad850761aab39a9095010fe
Headers show
Series ACPI / pdx86: Add support for x86 Android tablets with broken DSDTs | expand

Commit Message

Hans de Goede Dec. 29, 2021, 11:14 p.m. UTC
Add support for registering GPIO lookup tables.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
---
 drivers/platform/x86/x86-android-tablets.c | 9 +++++++++
 1 file changed, 9 insertions(+)
diff mbox series

Patch

diff --git a/drivers/platform/x86/x86-android-tablets.c b/drivers/platform/x86/x86-android-tablets.c
index 5267e57c4fea..0b521e4671aa 100644
--- a/drivers/platform/x86/x86-android-tablets.c
+++ b/drivers/platform/x86/x86-android-tablets.c
@@ -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;