diff options
Diffstat (limited to 'drivers/input/touchscreen/pixcir_i2c_ts.c')
| -rw-r--r-- | drivers/input/touchscreen/pixcir_i2c_ts.c | 58 |
1 files changed, 22 insertions, 36 deletions
diff --git a/drivers/input/touchscreen/pixcir_i2c_ts.c b/drivers/input/touchscreen/pixcir_i2c_ts.c index dc148b4bed74..dad5786e82a4 100644 --- a/drivers/input/touchscreen/pixcir_i2c_ts.c +++ b/drivers/input/touchscreen/pixcir_i2c_ts.c @@ -5,7 +5,7 @@ * Copyright (C) 2010-2011 Pixcir, Inc. */ -#include <asm/unaligned.h> +#include <linux/unaligned.h> #include <linux/delay.h> #include <linux/gpio/consumer.h> #include <linux/i2c.h> @@ -13,8 +13,8 @@ #include <linux/input/mt.h> #include <linux/input/touchscreen.h> #include <linux/interrupt.h> -#include <linux/of_device.h> #include <linux/module.h> +#include <linux/of.h> #include <linux/slab.h> #define PIXCIR_MAX_SLOTS 5 /* Max fingers supported by driver */ @@ -44,7 +44,7 @@ enum pixcir_power_mode { /* * Interrupt modes: - * periodical: interrupt is asserted periodicaly + * periodical: interrupt is asserted periodically * diff coordinates: interrupt is asserted when coordinates change * level on touch: interrupt level asserted during touch * pulse on touch: interrupt pulse asserted during touch @@ -405,7 +405,7 @@ static void pixcir_input_close(struct input_dev *dev) pixcir_stop(ts); } -static int __maybe_unused pixcir_i2c_ts_suspend(struct device *dev) +static int pixcir_i2c_ts_suspend(struct device *dev) { struct i2c_client *client = to_i2c_client(dev); struct pixcir_i2c_ts_data *ts = i2c_get_clientdata(client); @@ -432,7 +432,7 @@ unlock: return ret; } -static int __maybe_unused pixcir_i2c_ts_resume(struct device *dev) +static int pixcir_i2c_ts_resume(struct device *dev) { struct i2c_client *client = to_i2c_client(dev); struct pixcir_i2c_ts_data *ts = i2c_get_clientdata(client); @@ -459,12 +459,12 @@ unlock: return ret; } -static SIMPLE_DEV_PM_OPS(pixcir_dev_pm_ops, - pixcir_i2c_ts_suspend, pixcir_i2c_ts_resume); +static DEFINE_SIMPLE_DEV_PM_OPS(pixcir_dev_pm_ops, + pixcir_i2c_ts_suspend, pixcir_i2c_ts_resume); -static int pixcir_i2c_ts_probe(struct i2c_client *client, - const struct i2c_device_id *id) +static int pixcir_i2c_ts_probe(struct i2c_client *client) { + const struct i2c_device_id *id = i2c_client_get_device_id(client); struct device *dev = &client->dev; struct pixcir_i2c_ts_data *tsdata; struct input_dev *input; @@ -515,41 +515,27 @@ static int pixcir_i2c_ts_probe(struct i2c_client *client, input_set_drvdata(input, tsdata); tsdata->gpio_attb = devm_gpiod_get(dev, "attb", GPIOD_IN); - if (IS_ERR(tsdata->gpio_attb)) { - error = PTR_ERR(tsdata->gpio_attb); - if (error != -EPROBE_DEFER) - dev_err(dev, "Failed to request ATTB gpio: %d\n", - error); - return error; - } + if (IS_ERR(tsdata->gpio_attb)) + return dev_err_probe(dev, PTR_ERR(tsdata->gpio_attb), + "Failed to request ATTB gpio\n"); tsdata->gpio_reset = devm_gpiod_get_optional(dev, "reset", GPIOD_OUT_LOW); - if (IS_ERR(tsdata->gpio_reset)) { - error = PTR_ERR(tsdata->gpio_reset); - if (error != -EPROBE_DEFER) - dev_err(dev, "Failed to request RESET gpio: %d\n", - error); - return error; - } + if (IS_ERR(tsdata->gpio_reset)) + return dev_err_probe(dev, PTR_ERR(tsdata->gpio_reset), + "Failed to request RESET gpio\n"); tsdata->gpio_wake = devm_gpiod_get_optional(dev, "wake", GPIOD_OUT_HIGH); - if (IS_ERR(tsdata->gpio_wake)) { - error = PTR_ERR(tsdata->gpio_wake); - if (error != -EPROBE_DEFER) - dev_err(dev, "Failed to get wake gpio: %d\n", error); - return error; - } + if (IS_ERR(tsdata->gpio_wake)) + return dev_err_probe(dev, PTR_ERR(tsdata->gpio_wake), + "Failed to get wake gpio\n"); tsdata->gpio_enable = devm_gpiod_get_optional(dev, "enable", GPIOD_OUT_HIGH); - if (IS_ERR(tsdata->gpio_enable)) { - error = PTR_ERR(tsdata->gpio_enable); - if (error != -EPROBE_DEFER) - dev_err(dev, "Failed to get enable gpio: %d\n", error); - return error; - } + if (IS_ERR(tsdata->gpio_enable)) + return dev_err_probe(dev, PTR_ERR(tsdata->gpio_enable), + "Failed to get enable gpio\n"); if (tsdata->gpio_enable) msleep(100); @@ -614,7 +600,7 @@ MODULE_DEVICE_TABLE(of, pixcir_of_match); static struct i2c_driver pixcir_i2c_ts_driver = { .driver = { .name = "pixcir_ts", - .pm = &pixcir_dev_pm_ops, + .pm = pm_sleep_ptr(&pixcir_dev_pm_ops), .of_match_table = of_match_ptr(pixcir_of_match), }, .probe = pixcir_i2c_ts_probe, |