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authorBartosz Golaszewski <[email protected]>2023-10-04 16:23:14 +0000
committerIlpo Järvinen <[email protected]>2023-10-06 10:34:54 +0000
commit5cad12851b16ae6bda685d4fc44eff2b1e273c4e (patch)
treed4125a1e8684db5f208b8cb882d41692c7a3b8cd /drivers/platform/x86/intel/int3472/discrete.c
parentplatform/x86: int3472: Add new skl_int3472_fill_gpiod_lookup() helper (diff)
downloadkernel-5cad12851b16ae6bda685d4fc44eff2b1e273c4e.tar.gz
kernel-5cad12851b16ae6bda685d4fc44eff2b1e273c4e.zip
platform/x86: int3472: Add new skl_int3472_gpiod_get_from_temp_lookup() helper
Add a new skl_int3472_gpiod_get_from_temp_lookup() helper. This is a preparation patch for removing usage of the deprecated gpiod_toggle_active_low() and acpi_get_and_request_gpiod() functions. [[email protected]] use the new skl_int3472_fill_gpiod_lookup() helper Signed-off-by: Bartosz Golaszewski <[email protected]> Reviewed-by: Andy Shevchenko <[email protected]> Co-developed-by: Hans de Goede <[email protected]> Signed-off-by: Hans de Goede <[email protected]> Link: https://lore.kernel.org/r/[email protected] Reviewed-by: Ilpo Järvinen <[email protected]> Signed-off-by: Ilpo Järvinen <[email protected]>
Diffstat (limited to 'drivers/platform/x86/intel/int3472/discrete.c')
-rw-r--r--drivers/platform/x86/intel/int3472/discrete.c26
1 files changed, 26 insertions, 0 deletions
diff --git a/drivers/platform/x86/intel/int3472/discrete.c b/drivers/platform/x86/intel/int3472/discrete.c
index 351ecf047944..b69ef63f75ab 100644
--- a/drivers/platform/x86/intel/int3472/discrete.c
+++ b/drivers/platform/x86/intel/int3472/discrete.c
@@ -99,6 +99,32 @@ static int skl_int3472_map_gpio_to_sensor(struct int3472_discrete_device *int347
return 0;
}
+/* This should *really* only be used when there's no other way... */
+static struct gpio_desc *
+skl_int3472_gpiod_get_from_temp_lookup(struct int3472_discrete_device *int3472,
+ struct acpi_resource_gpio *agpio,
+ const char *func, u32 polarity)
+{
+ struct gpio_desc *desc;
+ int ret;
+
+ struct gpiod_lookup_table *lookup __free(kfree) =
+ kzalloc(struct_size(lookup, table, 2), GFP_KERNEL);
+ if (!lookup)
+ return ERR_PTR(-ENOMEM);
+
+ lookup->dev_id = dev_name(int3472->dev);
+ ret = skl_int3472_fill_gpiod_lookup(&lookup->table[0], agpio, func, polarity);
+ if (ret)
+ return ERR_PTR(ret);
+
+ gpiod_add_lookup_table(lookup);
+ desc = gpiod_get(int3472->dev, func, GPIOD_OUT_LOW);
+ gpiod_remove_lookup_table(lookup);
+
+ return desc;
+}
+
static void int3472_get_func_and_polarity(u8 type, const char **func, u32 *polarity)
{
switch (type) {