diff options
Diffstat (limited to 'drivers/input/touchscreen/silead.c')
| -rw-r--r-- | drivers/input/touchscreen/silead.c | 53 |
1 files changed, 21 insertions, 32 deletions
diff --git a/drivers/input/touchscreen/silead.c b/drivers/input/touchscreen/silead.c index 3eef8c01090f..5ccc96764742 100644 --- a/drivers/input/touchscreen/silead.c +++ b/drivers/input/touchscreen/silead.c @@ -24,7 +24,7 @@ #include <linux/irq.h> #include <linux/regulator/consumer.h> -#include <asm/unaligned.h> +#include <linux/unaligned.h> #define SILEAD_TS_NAME "silead_ts" @@ -71,7 +71,6 @@ struct silead_ts_data { struct regulator_bulk_data regulators[2]; char fw_name[64]; struct touchscreen_properties prop; - u32 max_fingers; u32 chip_id; struct input_mt_pos pos[SILEAD_MAX_FINGERS]; int slots[SILEAD_MAX_FINGERS]; @@ -136,7 +135,7 @@ static int silead_ts_request_input_dev(struct silead_ts_data *data) touchscreen_parse_properties(data->input, true, &data->prop); silead_apply_efi_fw_min_max(data); - input_mt_init_slots(data->input, data->max_fingers, + input_mt_init_slots(data->input, SILEAD_MAX_FINGERS, INPUT_MT_DIRECT | INPUT_MT_DROP_UNUSED | INPUT_MT_TRACK); @@ -256,10 +255,10 @@ static void silead_ts_read_data(struct i2c_client *client) return; } - if (buf[0] > data->max_fingers) { + if (buf[0] > SILEAD_MAX_FINGERS) { dev_warn(dev, "More touches reported then supported %d > %d\n", - buf[0], data->max_fingers); - buf[0] = data->max_fingers; + buf[0], SILEAD_MAX_FINGERS); + buf[0] = SILEAD_MAX_FINGERS; } if (silead_ts_handle_pen_data(data, buf)) @@ -315,7 +314,6 @@ sync: static int silead_ts_init(struct i2c_client *client) { - struct silead_ts_data *data = i2c_get_clientdata(client); int error; error = i2c_smbus_write_byte_data(client, SILEAD_REG_RESET, @@ -325,7 +323,7 @@ static int silead_ts_init(struct i2c_client *client) usleep_range(SILEAD_CMD_SLEEP_MIN, SILEAD_CMD_SLEEP_MAX); error = i2c_smbus_write_byte_data(client, SILEAD_REG_TOUCH_NR, - data->max_fingers); + SILEAD_MAX_FINGERS); if (error) goto i2c_write_err; usleep_range(SILEAD_CMD_SLEEP_MIN, SILEAD_CMD_SLEEP_MAX); @@ -591,13 +589,6 @@ static void silead_ts_read_props(struct i2c_client *client) const char *str; int error; - error = device_property_read_u32(dev, "silead,max-fingers", - &data->max_fingers); - if (error) { - dev_dbg(dev, "Max fingers read error %d\n", error); - data->max_fingers = 5; /* Most devices handle up-to 5 fingers */ - } - error = device_property_read_string(dev, "firmware-name", &str); if (!error) snprintf(data->fw_name, sizeof(data->fw_name), @@ -652,9 +643,9 @@ static void silead_disable_regulator(void *arg) regulator_bulk_disable(ARRAY_SIZE(data->regulators), data->regulators); } -static int silead_ts_probe(struct i2c_client *client, - const struct i2c_device_id *id) +static int silead_ts_probe(struct i2c_client *client) { + const struct i2c_device_id *id = i2c_client_get_device_id(client); struct silead_ts_data *data; struct device *dev = &client->dev; int error; @@ -706,11 +697,9 @@ static int silead_ts_probe(struct i2c_client *client, /* Power GPIO pin */ data->gpio_power = devm_gpiod_get_optional(dev, "power", GPIOD_OUT_LOW); - if (IS_ERR(data->gpio_power)) { - if (PTR_ERR(data->gpio_power) != -EPROBE_DEFER) - dev_err(dev, "Shutdown GPIO request failed\n"); - return PTR_ERR(data->gpio_power); - } + if (IS_ERR(data->gpio_power)) + return dev_err_probe(dev, PTR_ERR(data->gpio_power), + "Shutdown GPIO request failed\n"); error = silead_ts_setup(client); if (error) @@ -736,7 +725,7 @@ static int silead_ts_probe(struct i2c_client *client, return 0; } -static int __maybe_unused silead_ts_suspend(struct device *dev) +static int silead_ts_suspend(struct device *dev) { struct i2c_client *client = to_i2c_client(dev); @@ -745,7 +734,7 @@ static int __maybe_unused silead_ts_suspend(struct device *dev) return 0; } -static int __maybe_unused silead_ts_resume(struct device *dev) +static int silead_ts_resume(struct device *dev) { struct i2c_client *client = to_i2c_client(dev); bool second_try = false; @@ -784,15 +773,15 @@ static int __maybe_unused silead_ts_resume(struct device *dev) return 0; } -static SIMPLE_DEV_PM_OPS(silead_ts_pm, silead_ts_suspend, silead_ts_resume); +static DEFINE_SIMPLE_DEV_PM_OPS(silead_ts_pm, silead_ts_suspend, silead_ts_resume); static const struct i2c_device_id silead_ts_id[] = { - { "gsl1680", 0 }, - { "gsl1688", 0 }, - { "gsl3670", 0 }, - { "gsl3675", 0 }, - { "gsl3692", 0 }, - { "mssl1680", 0 }, + { "gsl1680" }, + { "gsl1688" }, + { "gsl3670" }, + { "gsl3675" }, + { "gsl3692" }, + { "mssl1680" }, { } }; MODULE_DEVICE_TABLE(i2c, silead_ts_id); @@ -832,7 +821,7 @@ static struct i2c_driver silead_ts_driver = { .name = SILEAD_TS_NAME, .acpi_match_table = ACPI_PTR(silead_ts_acpi_match), .of_match_table = of_match_ptr(silead_ts_of_match), - .pm = &silead_ts_pm, + .pm = pm_sleep_ptr(&silead_ts_pm), }, }; module_i2c_driver(silead_ts_driver); |