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

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Add support for registering GPIO lookup tables.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20211229231431.437982-9-hdegoede@redhat.com
This commit is contained in:
Hans de Goede 2021-12-30 00:14:27 +01:00
parent c2138b25d5
commit ef2ac11493
1 changed files with 9 additions and 0 deletions
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9
drivers/platform/x86/x86-android-tablets.c
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@ -142,6 +142,7 @@ struct x86_serdev_info {
}; };
struct x86_dev_info { struct x86_dev_info {
struct gpiod_lookup_table **gpiod_lookup_tables;
const struct x86_i2c_client_info *i2c_client_info; const struct x86_i2c_client_info *i2c_client_info;
const struct platform_device_info *pdev_info; const struct platform_device_info *pdev_info;
const struct x86_serdev_info *serdev_info; const struct x86_serdev_info *serdev_info;
@ -293,6 +294,7 @@ static int serdev_count;
static struct i2c_client **i2c_clients; static struct i2c_client **i2c_clients;
static struct platform_device **pdevs; static struct platform_device **pdevs;
static struct serdev_device **serdevs; 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, static __init int x86_instantiate_i2c_client(const struct x86_dev_info *dev_info,
int idx) int idx)
@ -409,6 +411,9 @@ static void x86_android_tablet_cleanup(void)
i2c_unregister_device(i2c_clients[i]); i2c_unregister_device(i2c_clients[i]);
kfree(i2c_clients); 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) 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; 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); i2c_clients = kcalloc(dev_info->i2c_client_count, sizeof(*i2c_clients), GFP_KERNEL);
if (!i2c_clients) if (!i2c_clients)
return -ENOMEM; return -ENOMEM;