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path: root/drivers/input/touchscreen/edt-ft5x06.c
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Diffstat (limited to 'drivers/input/touchscreen/edt-ft5x06.c')
-rw-r--r--drivers/input/touchscreen/edt-ft5x06.c56
1 files changed, 41 insertions, 15 deletions
diff --git a/drivers/input/touchscreen/edt-ft5x06.c b/drivers/input/touchscreen/edt-ft5x06.c
index 06ec0f2e18ae..bf498bd4dea9 100644
--- a/drivers/input/touchscreen/edt-ft5x06.c
+++ b/drivers/input/touchscreen/edt-ft5x06.c
@@ -32,7 +32,7 @@
#include <linux/slab.h>
#include <linux/uaccess.h>
-#include <asm/unaligned.h>
+#include <linux/unaligned.h>
#define WORK_REGISTER_THRESHOLD 0x00
#define WORK_REGISTER_REPORT_RATE 0x08
@@ -120,7 +120,6 @@ struct edt_ft5x06_ts_data {
struct regmap *regmap;
#if defined(CONFIG_DEBUG_FS)
- struct dentry *debug_dir;
u8 *raw_buffer;
size_t raw_bufsize;
#endif
@@ -815,23 +814,21 @@ static const struct file_operations debugfs_raw_data_fops = {
.read = edt_ft5x06_debugfs_raw_data_read,
};
-static void edt_ft5x06_ts_prepare_debugfs(struct edt_ft5x06_ts_data *tsdata,
- const char *debugfs_name)
+static void edt_ft5x06_ts_prepare_debugfs(struct edt_ft5x06_ts_data *tsdata)
{
- tsdata->debug_dir = debugfs_create_dir(debugfs_name, NULL);
+ struct dentry *debug_dir = tsdata->client->debugfs;
- debugfs_create_u16("num_x", S_IRUSR, tsdata->debug_dir, &tsdata->num_x);
- debugfs_create_u16("num_y", S_IRUSR, tsdata->debug_dir, &tsdata->num_y);
+ debugfs_create_u16("num_x", S_IRUSR, debug_dir, &tsdata->num_x);
+ debugfs_create_u16("num_y", S_IRUSR, debug_dir, &tsdata->num_y);
debugfs_create_file("mode", S_IRUSR | S_IWUSR,
- tsdata->debug_dir, tsdata, &debugfs_mode_fops);
+ debug_dir, tsdata, &debugfs_mode_fops);
debugfs_create_file("raw_data", S_IRUSR,
- tsdata->debug_dir, tsdata, &debugfs_raw_data_fops);
+ debug_dir, tsdata, &debugfs_raw_data_fops);
}
static void edt_ft5x06_ts_teardown_debugfs(struct edt_ft5x06_ts_data *tsdata)
{
- debugfs_remove_recursive(tsdata->debug_dir);
kfree(tsdata->raw_buffer);
}
@@ -842,8 +839,7 @@ static int edt_ft5x06_factory_mode(struct edt_ft5x06_ts_data *tsdata)
return -ENOSYS;
}
-static void edt_ft5x06_ts_prepare_debugfs(struct edt_ft5x06_ts_data *tsdata,
- const char *debugfs_name)
+static void edt_ft5x06_ts_prepare_debugfs(struct edt_ft5x06_ts_data *tsdata)
{
}
@@ -1121,6 +1117,14 @@ static void edt_ft5x06_ts_set_regs(struct edt_ft5x06_ts_data *tsdata)
}
}
+static void edt_ft5x06_exit_regmap(void *arg)
+{
+ struct edt_ft5x06_ts_data *data = arg;
+
+ if (!IS_ERR_OR_NULL(data->regmap))
+ regmap_exit(data->regmap);
+}
+
static void edt_ft5x06_disable_regulators(void *arg)
{
struct edt_ft5x06_ts_data *data = arg;
@@ -1154,6 +1158,16 @@ static int edt_ft5x06_ts_probe(struct i2c_client *client)
return PTR_ERR(tsdata->regmap);
}
+ /*
+ * We are not using devm_regmap_init_i2c() and instead install a
+ * custom action because we may replace regmap with M06-specific one
+ * and we need to make sure that it will not be released too early.
+ */
+ error = devm_add_action_or_reset(&client->dev, edt_ft5x06_exit_regmap,
+ tsdata);
+ if (error)
+ return error;
+
chip_data = device_get_match_data(&client->dev);
if (!chip_data)
chip_data = (const struct edt_i2c_chip_data *)id->driver_data;
@@ -1219,7 +1233,7 @@ static int edt_ft5x06_ts_probe(struct i2c_client *client)
}
/*
- * Check which sleep modes we can support. Power-off requieres the
+ * Check which sleep modes we can support. Power-off requires the
* reset-pin to ensure correct power-down/power-up behaviour. Start with
* the EDT_PMODE_POWEROFF test since this is the deepest possible sleep
* mode.
@@ -1331,7 +1345,7 @@ static int edt_ft5x06_ts_probe(struct i2c_client *client)
if (error)
return error;
- edt_ft5x06_ts_prepare_debugfs(tsdata, dev_driver_string(&client->dev));
+ edt_ft5x06_ts_prepare_debugfs(tsdata);
dev_dbg(&client->dev,
"EDT FT5x06 initialized: IRQ %d, WAKE pin %d, Reset pin %d.\n",
@@ -1347,7 +1361,6 @@ static void edt_ft5x06_ts_remove(struct i2c_client *client)
struct edt_ft5x06_ts_data *tsdata = i2c_get_clientdata(client);
edt_ft5x06_ts_teardown_debugfs(tsdata);
- regmap_exit(tsdata->regmap);
}
static int edt_ft5x06_ts_suspend(struct device *dev)
@@ -1474,6 +1487,14 @@ static const struct edt_i2c_chip_data edt_ft6236_data = {
.max_support_points = 2,
};
+static const struct edt_i2c_chip_data edt_ft8201_data = {
+ .max_support_points = 10,
+};
+
+static const struct edt_i2c_chip_data edt_ft8716_data = {
+ .max_support_points = 10,
+};
+
static const struct edt_i2c_chip_data edt_ft8719_data = {
.max_support_points = 10,
};
@@ -1485,6 +1506,8 @@ static const struct i2c_device_id edt_ft5x06_ts_id[] = {
{ .name = "ft5452", .driver_data = (long)&edt_ft5452_data },
/* Note no edt- prefix for compatibility with the ft6236.c driver */
{ .name = "ft6236", .driver_data = (long)&edt_ft6236_data },
+ { .name = "ft8201", .driver_data = (long)&edt_ft8201_data },
+ { .name = "ft8716", .driver_data = (long)&edt_ft8716_data },
{ .name = "ft8719", .driver_data = (long)&edt_ft8719_data },
{ /* sentinel */ }
};
@@ -1496,9 +1519,12 @@ static const struct of_device_id edt_ft5x06_of_match[] = {
{ .compatible = "edt,edt-ft5406", .data = &edt_ft5x06_data },
{ .compatible = "edt,edt-ft5506", .data = &edt_ft5506_data },
{ .compatible = "evervision,ev-ft5726", .data = &edt_ft5506_data },
+ { .compatible = "focaltech,ft5426", .data = &edt_ft5506_data },
{ .compatible = "focaltech,ft5452", .data = &edt_ft5452_data },
/* Note focaltech vendor prefix for compatibility with ft6236.c */
{ .compatible = "focaltech,ft6236", .data = &edt_ft6236_data },
+ { .compatible = "focaltech,ft8201", .data = &edt_ft8201_data },
+ { .compatible = "focaltech,ft8716", .data = &edt_ft8716_data },
{ .compatible = "focaltech,ft8719", .data = &edt_ft8719_data },
{ /* sentinel */ }
};