forked from luck/tmp_suning_uos_patched
Input: eeti_ts - rename eeti_ts_priv to eeti_ts
Also rename 'priv' variables to eeti. Reviewed-by: Daniel Mack <daniel@zonque.org> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
This commit is contained in:
Dmitry Torokhov
parent
54bf08946a
commit
720bebdff2
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@ -43,7 +43,7 @@ static bool flip_y;
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module_param(flip_y, bool, 0644);
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MODULE_PARM_DESC(flip_y, "flip y coordinate");
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struct eeti_ts_priv {
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struct eeti_ts {
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struct i2c_client *client;
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struct input_dev *input;
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struct work_struct work;
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@ -60,25 +60,25 @@ struct eeti_ts_priv {
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#define REPORT_BIT_HAS_PRESSURE (1 << 6)
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#define REPORT_RES_BITS(v) (((v) >> 1) + EETI_TS_BITDEPTH)
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static inline int eeti_ts_irq_active(struct eeti_ts_priv *priv)
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static inline int eeti_ts_irq_active(struct eeti_ts *eeti)
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{
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return gpio_get_value(priv->irq_gpio) == priv->irq_active_high;
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return gpio_get_value(eeti->irq_gpio) == eeti->irq_active_high;
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}
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static void eeti_ts_read(struct work_struct *work)
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{
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char buf[6];
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unsigned int x, y, res, pressed, to = 100;
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struct eeti_ts_priv *priv =
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container_of(work, struct eeti_ts_priv, work);
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struct eeti_ts *eeti =
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container_of(work, struct eeti_ts, work);
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mutex_lock(&priv->mutex);
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mutex_lock(&eeti->mutex);
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while (eeti_ts_irq_active(priv) && --to)
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i2c_master_recv(priv->client, buf, sizeof(buf));
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while (eeti_ts_irq_active(eeti) && --to)
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i2c_master_recv(eeti->client, buf, sizeof(buf));
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if (!to) {
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dev_err(&priv->client->dev,
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dev_err(&eeti->client->dev,
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"unable to clear IRQ - line stuck?\n");
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goto out;
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}
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@ -103,62 +103,62 @@ static void eeti_ts_read(struct work_struct *work)
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y = EETI_MAXVAL - y;
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if (buf[0] & REPORT_BIT_HAS_PRESSURE)
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input_report_abs(priv->input, ABS_PRESSURE, buf[5]);
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input_report_abs(eeti->input, ABS_PRESSURE, buf[5]);
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input_report_abs(priv->input, ABS_X, x);
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input_report_abs(priv->input, ABS_Y, y);
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input_report_key(priv->input, BTN_TOUCH, !!pressed);
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input_sync(priv->input);
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input_report_abs(eeti->input, ABS_X, x);
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input_report_abs(eeti->input, ABS_Y, y);
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input_report_key(eeti->input, BTN_TOUCH, !!pressed);
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input_sync(eeti->input);
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out:
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mutex_unlock(&priv->mutex);
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mutex_unlock(&eeti->mutex);
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}
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static irqreturn_t eeti_ts_isr(int irq, void *dev_id)
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{
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struct eeti_ts_priv *priv = dev_id;
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struct eeti_ts *eeti = dev_id;
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/* postpone I2C transactions as we are atomic */
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schedule_work(&priv->work);
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schedule_work(&eeti->work);
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return IRQ_HANDLED;
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}
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static void eeti_ts_start(struct eeti_ts_priv *priv)
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static void eeti_ts_start(struct eeti_ts *eeti)
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{
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enable_irq(priv->irq);
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enable_irq(eeti->irq);
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/* Read the events once to arm the IRQ */
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eeti_ts_read(&priv->work);
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eeti_ts_read(&eeti->work);
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}
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static void eeti_ts_stop(struct eeti_ts_priv *priv)
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static void eeti_ts_stop(struct eeti_ts *eeti)
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{
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disable_irq(priv->irq);
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cancel_work_sync(&priv->work);
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disable_irq(eeti->irq);
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cancel_work_sync(&eeti->work);
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}
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static int eeti_ts_open(struct input_dev *dev)
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{
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struct eeti_ts_priv *priv = input_get_drvdata(dev);
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struct eeti_ts *eeti = input_get_drvdata(dev);
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eeti_ts_start(priv);
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eeti_ts_start(eeti);
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return 0;
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}
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static void eeti_ts_close(struct input_dev *dev)
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{
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struct eeti_ts_priv *priv = input_get_drvdata(dev);
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struct eeti_ts *eeti = input_get_drvdata(dev);
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eeti_ts_stop(priv);
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eeti_ts_stop(eeti);
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}
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static int eeti_ts_probe(struct i2c_client *client,
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const struct i2c_device_id *idp)
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{
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struct eeti_ts_platform_data *pdata = dev_get_platdata(&client->dev);
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struct eeti_ts_priv *priv;
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struct eeti_ts *eeti;
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struct input_dev *input;
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unsigned int irq_flags;
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int err = -ENOMEM;
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@ -170,13 +170,14 @@ static int eeti_ts_probe(struct i2c_client *client,
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* for interrupts to occur.
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*/
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priv = kzalloc(sizeof(*priv), GFP_KERNEL);
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if (!priv) {
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eeti = kzalloc(sizeof(*eeti), GFP_KERNEL);
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if (!eeti) {
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dev_err(&client->dev, "failed to allocate driver data\n");
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return -ENOMEM;
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}
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mutex_init(&priv->mutex);
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mutex_init(&eeti->mutex);
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input = input_allocate_device();
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if (!input) {
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dev_err(&client->dev, "Failed to allocate input device.\n");
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@ -196,30 +197,30 @@ static int eeti_ts_probe(struct i2c_client *client,
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input->open = eeti_ts_open;
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input->close = eeti_ts_close;
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priv->client = client;
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priv->input = input;
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priv->irq_gpio = pdata->irq_gpio;
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priv->irq = gpio_to_irq(pdata->irq_gpio);
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eeti->client = client;
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eeti->input = input;
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eeti->irq_gpio = pdata->irq_gpio;
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eeti->irq = gpio_to_irq(pdata->irq_gpio);
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err = gpio_request_one(pdata->irq_gpio, GPIOF_IN, client->name);
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if (err < 0)
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goto err1;
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priv->irq_active_high = pdata->irq_active_high;
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eeti->irq_active_high = pdata->irq_active_high;
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irq_flags = priv->irq_active_high ?
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irq_flags = eeti->irq_active_high ?
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IRQF_TRIGGER_RISING : IRQF_TRIGGER_FALLING;
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INIT_WORK(&priv->work, eeti_ts_read);
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i2c_set_clientdata(client, priv);
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input_set_drvdata(input, priv);
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INIT_WORK(&eeti->work, eeti_ts_read);
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i2c_set_clientdata(client, eeti);
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input_set_drvdata(input, eeti);
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err = input_register_device(input);
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if (err)
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goto err2;
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err = request_irq(priv->irq, eeti_ts_isr, irq_flags,
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client->name, priv);
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err = request_irq(eeti->irq, eeti_ts_isr, irq_flags,
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client->name, eeti);
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if (err) {
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dev_err(&client->dev, "Unable to request touchscreen IRQ.\n");
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goto err3;
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@ -229,7 +230,7 @@ static int eeti_ts_probe(struct i2c_client *client,
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* Disable the device for now. It will be enabled once the
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* input device is opened.
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*/
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eeti_ts_stop(priv);
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eeti_ts_stop(eeti);
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return 0;
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@ -240,23 +241,23 @@ static int eeti_ts_probe(struct i2c_client *client,
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gpio_free(pdata->irq_gpio);
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err1:
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input_free_device(input);
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kfree(priv);
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kfree(eeti);
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return err;
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}
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static int eeti_ts_remove(struct i2c_client *client)
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{
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struct eeti_ts_priv *priv = i2c_get_clientdata(client);
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struct eeti_ts *eeti = i2c_get_clientdata(client);
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free_irq(priv->irq, priv);
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free_irq(eeti->irq, eeti);
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/*
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* eeti_ts_stop() leaves IRQ disabled. We need to re-enable it
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* so that device still works if we reload the driver.
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*/
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enable_irq(priv->irq);
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enable_irq(eeti->irq);
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input_unregister_device(priv->input);
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kfree(priv);
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input_unregister_device(eeti->input);
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kfree(eeti);
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return 0;
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}
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@ -264,18 +265,18 @@ static int eeti_ts_remove(struct i2c_client *client)
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static int __maybe_unused eeti_ts_suspend(struct device *dev)
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{
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struct i2c_client *client = to_i2c_client(dev);
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struct eeti_ts_priv *priv = i2c_get_clientdata(client);
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struct input_dev *input_dev = priv->input;
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struct eeti_ts *eeti = i2c_get_clientdata(client);
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struct input_dev *input_dev = eeti->input;
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mutex_lock(&input_dev->mutex);
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if (input_dev->users)
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eeti_ts_stop(priv);
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eeti_ts_stop(eeti);
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mutex_unlock(&input_dev->mutex);
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if (device_may_wakeup(&client->dev))
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enable_irq_wake(priv->irq);
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enable_irq_wake(eeti->irq);
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return 0;
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}
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@ -283,16 +284,16 @@ static int __maybe_unused eeti_ts_suspend(struct device *dev)
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static int __maybe_unused eeti_ts_resume(struct device *dev)
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{
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struct i2c_client *client = to_i2c_client(dev);
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struct eeti_ts_priv *priv = i2c_get_clientdata(client);
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struct input_dev *input_dev = priv->input;
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struct eeti_ts *eeti = i2c_get_clientdata(client);
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struct input_dev *input_dev = eeti->input;
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if (device_may_wakeup(&client->dev))
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disable_irq_wake(priv->irq);
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disable_irq_wake(eeti->irq);
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mutex_lock(&input_dev->mutex);
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if (input_dev->users)
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eeti_ts_start(priv);
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eeti_ts_start(eeti);
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mutex_unlock(&input_dev->mutex);
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