diff options
Diffstat (limited to 'drivers/input/touchscreen/chipone_icn8505.c')
| -rw-r--r-- | drivers/input/touchscreen/chipone_icn8505.c | 43 |
1 files changed, 15 insertions, 28 deletions
diff --git a/drivers/input/touchscreen/chipone_icn8505.c b/drivers/input/touchscreen/chipone_icn8505.c index f9ca5502ac8c..cde0e4789503 100644 --- a/drivers/input/touchscreen/chipone_icn8505.c +++ b/drivers/input/touchscreen/chipone_icn8505.c @@ -8,7 +8,7 @@ * Hans de Goede <hdegoede@redhat.com> */ -#include <asm/unaligned.h> +#include <linux/unaligned.h> #include <linux/acpi.h> #include <linux/crc32.h> #include <linux/delay.h> @@ -68,7 +68,6 @@ struct icn8505_touch_data { struct icn8505_data { struct i2c_client *client; struct input_dev *input; - struct gpio_desc *wake_gpio; struct touchscreen_properties prop; char firmware_name[32]; }; @@ -364,32 +363,20 @@ static irqreturn_t icn8505_irq(int irq, void *dev_id) static int icn8505_probe_acpi(struct icn8505_data *icn8505, struct device *dev) { - struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL }; - const char *subsys = "unknown"; - struct acpi_device *adev; - union acpi_object *obj; - acpi_status status; - - adev = ACPI_COMPANION(dev); - if (!adev) - return -ENODEV; + const char *subsys; + int error; - status = acpi_evaluate_object(adev->handle, "_SUB", NULL, &buffer); - if (ACPI_SUCCESS(status)) { - obj = buffer.pointer; - if (obj->type == ACPI_TYPE_STRING) - subsys = obj->string.pointer; - else - dev_warn(dev, "Warning ACPI _SUB did not return a string\n"); - } else { - dev_warn(dev, "Warning ACPI _SUB failed: %#x\n", status); - buffer.pointer = NULL; - } + subsys = acpi_get_subsystem_id(ACPI_HANDLE(dev)); + error = PTR_ERR_OR_ZERO(subsys); + if (error == -ENODATA) + subsys = "unknown"; + else if (error) + return error; snprintf(icn8505->firmware_name, sizeof(icn8505->firmware_name), "chipone/icn8505-%s.fw", subsys); - kfree(buffer.pointer); + kfree_const(subsys); return 0; } @@ -472,7 +459,7 @@ static int icn8505_probe(struct i2c_client *client) return 0; } -static int __maybe_unused icn8505_suspend(struct device *dev) +static int icn8505_suspend(struct device *dev) { struct icn8505_data *icn8505 = i2c_get_clientdata(to_i2c_client(dev)); @@ -483,7 +470,7 @@ static int __maybe_unused icn8505_suspend(struct device *dev) return 0; } -static int __maybe_unused icn8505_resume(struct device *dev) +static int icn8505_resume(struct device *dev) { struct icn8505_data *icn8505 = i2c_get_clientdata(to_i2c_client(dev)); int error; @@ -496,7 +483,7 @@ static int __maybe_unused icn8505_resume(struct device *dev) return 0; } -static SIMPLE_DEV_PM_OPS(icn8505_pm_ops, icn8505_suspend, icn8505_resume); +static DEFINE_SIMPLE_DEV_PM_OPS(icn8505_pm_ops, icn8505_suspend, icn8505_resume); static const struct acpi_device_id icn8505_acpi_match[] = { { "CHPN0001" }, @@ -507,10 +494,10 @@ MODULE_DEVICE_TABLE(acpi, icn8505_acpi_match); static struct i2c_driver icn8505_driver = { .driver = { .name = "chipone_icn8505", - .pm = &icn8505_pm_ops, + .pm = pm_sleep_ptr(&icn8505_pm_ops), .acpi_match_table = icn8505_acpi_match, }, - .probe_new = icn8505_probe, + .probe = icn8505_probe, }; module_i2c_driver(icn8505_driver); |