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path: root/drivers/input/touchscreen/silead.c
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Diffstat (limited to 'drivers/input/touchscreen/silead.c')
-rw-r--r--drivers/input/touchscreen/silead.c51
1 files changed, 20 insertions, 31 deletions
diff --git a/drivers/input/touchscreen/silead.c b/drivers/input/touchscreen/silead.c
index 8a7351c4414c..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),
@@ -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);
@@ -826,13 +815,13 @@ MODULE_DEVICE_TABLE(of, silead_ts_of_match);
#endif
static struct i2c_driver silead_ts_driver = {
- .probe_new = silead_ts_probe,
+ .probe = silead_ts_probe,
.id_table = silead_ts_id,
.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);