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-rw-r--r--drivers/input/keyboard/adp5589-keys.c171
1 files changed, 98 insertions, 73 deletions
diff --git a/drivers/input/keyboard/adp5589-keys.c b/drivers/input/keyboard/adp5589-keys.c
index 4f96a4a99e5b..e7d58e7f0257 100644
--- a/drivers/input/keyboard/adp5589-keys.c
+++ b/drivers/input/keyboard/adp5589-keys.c
@@ -857,70 +857,35 @@ static void adp5589_report_switch_state(struct adp5589_kpad *kpad)
input_sync(kpad->input);
}
-static int adp5589_probe(struct i2c_client *client,
- const struct i2c_device_id *id)
+static int adp5589_keypad_add(struct adp5589_kpad *kpad, unsigned int revid)
{
- struct adp5589_kpad *kpad;
+ struct i2c_client *client = kpad->client;
const struct adp5589_kpad_platform_data *pdata =
dev_get_platdata(&client->dev);
struct input_dev *input;
- unsigned int revid;
- int ret, i;
+ unsigned int i;
int error;
- if (!i2c_check_functionality(client->adapter,
- I2C_FUNC_SMBUS_BYTE_DATA)) {
- dev_err(&client->dev, "SMBUS Byte Data not Supported\n");
- return -EIO;
- }
-
- if (!pdata) {
- dev_err(&client->dev, "no platform data?\n");
- return -EINVAL;
- }
-
- kpad = kzalloc(sizeof(*kpad), GFP_KERNEL);
- if (!kpad)
- return -ENOMEM;
-
- switch (id->driver_data) {
- case ADP5585_02:
- kpad->support_row5 = true;
- /* fall through */
- case ADP5585_01:
- kpad->is_adp5585 = true;
- kpad->var = &const_adp5585;
- break;
- case ADP5589:
- kpad->support_row5 = true;
- kpad->var = &const_adp5589;
- break;
- }
-
if (!((pdata->keypad_en_mask & kpad->var->row_mask) &&
(pdata->keypad_en_mask >> kpad->var->col_shift)) ||
!pdata->keymap) {
dev_err(&client->dev, "no rows, cols or keymap from pdata\n");
- error = -EINVAL;
- goto err_free_mem;
+ return -EINVAL;
}
if (pdata->keymapsize != kpad->var->keymapsize) {
dev_err(&client->dev, "invalid keymapsize\n");
- error = -EINVAL;
- goto err_free_mem;
+ return -EINVAL;
}
if (!pdata->gpimap && pdata->gpimapsize) {
dev_err(&client->dev, "invalid gpimap from pdata\n");
- error = -EINVAL;
- goto err_free_mem;
+ return -EINVAL;
}
if (pdata->gpimapsize > kpad->var->gpimapsize_max) {
dev_err(&client->dev, "invalid gpimapsize\n");
- error = -EINVAL;
- goto err_free_mem;
+ return -EINVAL;
}
for (i = 0; i < pdata->gpimapsize; i++) {
@@ -929,41 +894,27 @@ static int adp5589_probe(struct i2c_client *client,
if (pin < kpad->var->gpi_pin_base ||
pin > kpad->var->gpi_pin_end) {
dev_err(&client->dev, "invalid gpi pin data\n");
- error = -EINVAL;
- goto err_free_mem;
+ return -EINVAL;
}
if ((1 << (pin - kpad->var->gpi_pin_row_base)) &
pdata->keypad_en_mask) {
dev_err(&client->dev, "invalid gpi row/col data\n");
- error = -EINVAL;
- goto err_free_mem;
+ return -EINVAL;
}
}
if (!client->irq) {
dev_err(&client->dev, "no IRQ?\n");
- error = -EINVAL;
- goto err_free_mem;
+ return -EINVAL;
}
input = input_allocate_device();
- if (!input) {
- error = -ENOMEM;
- goto err_free_mem;
- }
+ if (!input)
+ return -ENOMEM;
- kpad->client = client;
kpad->input = input;
- ret = adp5589_read(client, ADP5589_5_ID);
- if (ret < 0) {
- error = ret;
- goto err_free_input;
- }
-
- revid = (u8) ret & ADP5589_5_DEVICE_ID_MASK;
-
input->name = client->name;
input->phys = "adp5589-keys/input0";
input->dev.parent = &client->dev;
@@ -1015,30 +966,99 @@ static int adp5589_probe(struct i2c_client *client,
goto err_unreg_dev;
}
+ device_init_wakeup(&client->dev, 1);
+
+ return 0;
+
+err_unreg_dev:
+ input_unregister_device(input);
+ input = NULL;
+err_free_input:
+ input_free_device(input);
+
+ return error;
+}
+
+static void adp5589_keypad_remove(struct adp5589_kpad *kpad)
+{
+ if (kpad->input) {
+ free_irq(kpad->client->irq, kpad);
+ input_unregister_device(kpad->input);
+ }
+}
+
+static int adp5589_probe(struct i2c_client *client,
+ const struct i2c_device_id *id)
+{
+ struct adp5589_kpad *kpad;
+ const struct adp5589_kpad_platform_data *pdata =
+ dev_get_platdata(&client->dev);
+ unsigned int revid;
+ int error, ret;
+
+ if (!i2c_check_functionality(client->adapter,
+ I2C_FUNC_SMBUS_BYTE_DATA)) {
+ dev_err(&client->dev, "SMBUS Byte Data not Supported\n");
+ return -EIO;
+ }
+
+ if (!pdata) {
+ dev_err(&client->dev, "no platform data?\n");
+ return -EINVAL;
+ }
+
+ kpad = kzalloc(sizeof(*kpad), GFP_KERNEL);
+ if (!kpad)
+ return -ENOMEM;
+
+ kpad->client = client;
+
+ switch (id->driver_data) {
+ case ADP5585_02:
+ kpad->support_row5 = true;
+ /* fall through */
+ case ADP5585_01:
+ kpad->is_adp5585 = true;
+ kpad->var = &const_adp5585;
+ break;
+ case ADP5589:
+ kpad->support_row5 = true;
+ kpad->var = &const_adp5589;
+ break;
+ }
+
+ ret = adp5589_read(client, ADP5589_5_ID);
+ if (ret < 0) {
+ error = ret;
+ goto err_free_mem;
+ }
+
+ revid = (u8) ret & ADP5589_5_DEVICE_ID_MASK;
+
+ if (pdata->keymapsize) {
+ error = adp5589_keypad_add(kpad, revid);
+ if (error)
+ goto err_free_mem;
+ }
+
error = adp5589_setup(kpad);
if (error)
- goto err_free_irq;
+ goto err_keypad_remove;
if (kpad->gpimapsize)
adp5589_report_switch_state(kpad);
error = adp5589_gpio_add(kpad);
if (error)
- goto err_free_irq;
+ goto err_keypad_remove;
- device_init_wakeup(&client->dev, 1);
i2c_set_clientdata(client, kpad);
dev_info(&client->dev, "Rev.%d keypad, irq %d\n", revid, client->irq);
return 0;
-err_free_irq:
- free_irq(client->irq, kpad);
-err_unreg_dev:
- input_unregister_device(input);
- input = NULL;
-err_free_input:
- input_free_device(input);
+err_keypad_remove:
+ adp5589_keypad_remove(kpad);
err_free_mem:
kfree(kpad);
@@ -1050,8 +1070,7 @@ static int adp5589_remove(struct i2c_client *client)
struct adp5589_kpad *kpad = i2c_get_clientdata(client);
adp5589_write(client, kpad->var->reg(ADP5589_GENERAL_CFG), 0);
- free_irq(client->irq, kpad);
- input_unregister_device(kpad->input);
+ adp5589_keypad_remove(kpad);
adp5589_gpio_remove(kpad);
kfree(kpad);
@@ -1064,6 +1083,9 @@ static int adp5589_suspend(struct device *dev)
struct adp5589_kpad *kpad = dev_get_drvdata(dev);
struct i2c_client *client = kpad->client;
+ if (!kpad->input)
+ return 0;
+
disable_irq(client->irq);
if (device_may_wakeup(&client->dev))
@@ -1077,6 +1099,9 @@ static int adp5589_resume(struct device *dev)
struct adp5589_kpad *kpad = dev_get_drvdata(dev);
struct i2c_client *client = kpad->client;
+ if (!kpad->input)
+ return 0;
+
if (device_may_wakeup(&client->dev))
disable_irq_wake(client->irq);
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-28 13:32:34 +0000