diff options
Diffstat (limited to 'drivers/input/touchscreen/ektf2127.c')
| -rw-r--r-- | drivers/input/touchscreen/ektf2127.c | 56 |
1 files changed, 38 insertions, 18 deletions
diff --git a/drivers/input/touchscreen/ektf2127.c b/drivers/input/touchscreen/ektf2127.c index 328841eaa1b7..46a0611fac82 100644 --- a/drivers/input/touchscreen/ektf2127.c +++ b/drivers/input/touchscreen/ektf2127.c @@ -13,6 +13,7 @@ * Hans de Goede <hdegoede@redhat.com> */ +#include <linux/bits.h> #include <linux/gpio/consumer.h> #include <linux/interrupt.h> #include <linux/i2c.h> @@ -46,6 +47,11 @@ struct ektf2127_ts { struct input_dev *input; struct gpio_desc *power_gpios; struct touchscreen_properties prop; + int status_shift; +}; + +struct ektf2127_i2c_chip_data { + int status_shift; }; static void ektf2127_parse_coordinates(const u8 *buf, unsigned int touch_count, @@ -112,8 +118,8 @@ static void ektf2127_report2_contact(struct ektf2127_ts *ts, int slot, static void ektf2127_report2_event(struct ektf2127_ts *ts, const u8 *buf) { - ektf2127_report2_contact(ts, 0, &buf[1], !!(buf[7] & 2)); - ektf2127_report2_contact(ts, 1, &buf[4], !!(buf[7] & 4)); + ektf2127_report2_contact(ts, 0, &buf[1], !!(buf[7] & BIT(ts->status_shift))); + ektf2127_report2_contact(ts, 1, &buf[4], !!(buf[7] & BIT(ts->status_shift + 1))); input_mt_sync_frame(ts->input); input_sync(ts->input); @@ -177,7 +183,7 @@ static void ektf2127_stop(struct input_dev *dev) gpiod_set_value_cansleep(ts->power_gpios, 0); } -static int __maybe_unused ektf2127_suspend(struct device *dev) +static int ektf2127_suspend(struct device *dev) { struct ektf2127_ts *ts = i2c_get_clientdata(to_i2c_client(dev)); @@ -189,7 +195,7 @@ static int __maybe_unused ektf2127_suspend(struct device *dev) return 0; } -static int __maybe_unused ektf2127_resume(struct device *dev) +static int ektf2127_resume(struct device *dev) { struct ektf2127_ts *ts = i2c_get_clientdata(to_i2c_client(dev)); @@ -201,8 +207,8 @@ static int __maybe_unused ektf2127_resume(struct device *dev) return 0; } -static SIMPLE_DEV_PM_OPS(ektf2127_pm_ops, ektf2127_suspend, - ektf2127_resume); +static DEFINE_SIMPLE_DEV_PM_OPS(ektf2127_pm_ops, ektf2127_suspend, + ektf2127_resume); static int ektf2127_query_dimension(struct i2c_client *client, bool width) { @@ -247,6 +253,7 @@ static int ektf2127_query_dimension(struct i2c_client *client, bool width) static int ektf2127_probe(struct i2c_client *client) { struct device *dev = &client->dev; + const struct ektf2127_i2c_chip_data *chip_data; struct ektf2127_ts *ts; struct input_dev *input; u8 buf[4]; @@ -264,12 +271,8 @@ static int ektf2127_probe(struct i2c_client *client) /* This requests the gpio *and* turns on the touchscreen controller */ ts->power_gpios = devm_gpiod_get(dev, "power", GPIOD_OUT_HIGH); - if (IS_ERR(ts->power_gpios)) { - error = PTR_ERR(ts->power_gpios); - if (error != -EPROBE_DEFER) - dev_err(dev, "Error getting power gpio: %d\n", error); - return error; - } + if (IS_ERR(ts->power_gpios)) + return dev_err_probe(dev, PTR_ERR(ts->power_gpios), "Error getting power gpio\n"); input = devm_input_allocate_device(dev); if (!input) @@ -307,6 +310,13 @@ static int ektf2127_probe(struct i2c_client *client) return error; ts->input = input; + + chip_data = i2c_get_match_data(client); + if (!chip_data) + return dev_err_probe(&client->dev, -EINVAL, "missing chip data\n"); + + ts->status_shift = chip_data->status_shift; + input_set_drvdata(input, ts); error = devm_request_threaded_irq(dev, client->irq, @@ -329,18 +339,28 @@ static int ektf2127_probe(struct i2c_client *client) return 0; } +static const struct ektf2127_i2c_chip_data ektf2127_data = { + .status_shift = 1, +}; + +static const struct ektf2127_i2c_chip_data ektf2232_data = { + .status_shift = 0, +}; + #ifdef CONFIG_OF static const struct of_device_id ektf2127_of_match[] = { - { .compatible = "elan,ektf2127" }, - { .compatible = "elan,ektf2132" }, + { .compatible = "elan,ektf2127", .data = &ektf2127_data}, + { .compatible = "elan,ektf2132", .data = &ektf2127_data}, + { .compatible = "elan,ektf2232", .data = &ektf2232_data}, {} }; MODULE_DEVICE_TABLE(of, ektf2127_of_match); #endif static const struct i2c_device_id ektf2127_i2c_id[] = { - { "ektf2127", 0 }, - { "ektf2132", 0 }, + { .name = "ektf2127", .driver_data = (long)&ektf2127_data }, + { .name = "ektf2132", .driver_data = (long)&ektf2127_data }, + { .name = "ektf2232", .driver_data = (long)&ektf2232_data }, {} }; MODULE_DEVICE_TABLE(i2c, ektf2127_i2c_id); @@ -348,10 +368,10 @@ MODULE_DEVICE_TABLE(i2c, ektf2127_i2c_id); static struct i2c_driver ektf2127_driver = { .driver = { .name = "elan_ektf2127", - .pm = &ektf2127_pm_ops, + .pm = pm_sleep_ptr(&ektf2127_pm_ops), .of_match_table = of_match_ptr(ektf2127_of_match), }, - .probe_new = ektf2127_probe, + .probe = ektf2127_probe, .id_table = ektf2127_i2c_id, }; module_i2c_driver(ektf2127_driver); |