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-rw-r--r--drivers/extcon/Kconfig6
-rw-r--r--drivers/extcon/Makefile1
-rw-r--r--drivers/extcon/extcon-adc-jack.c195
3 files changed, 0 insertions, 202 deletions
diff --git a/drivers/extcon/Kconfig b/drivers/extcon/Kconfig
index dd5b01b957aa..e175c8ed4ec4 100644
--- a/drivers/extcon/Kconfig
+++ b/drivers/extcon/Kconfig
@@ -21,12 +21,6 @@ config EXTCON_GPIO
Say Y here to enable GPIO based extcon support. Note that GPIO
extcon supports single state per extcon instance.
-config EXTCON_ADC_JACK
- tristate "ADC Jack extcon support"
- depends on IIO
- help
- Say Y here to enable extcon device driver based on ADC values.
-
config EXTCON_MAX77693
tristate "MAX77693 EXTCON Support"
depends on MFD_MAX77693
diff --git a/drivers/extcon/Makefile b/drivers/extcon/Makefile
index 53d88c1cce36..88961b332348 100644
--- a/drivers/extcon/Makefile
+++ b/drivers/extcon/Makefile
@@ -4,7 +4,6 @@
obj-$(CONFIG_EXTCON) += extcon_class.o
obj-$(CONFIG_EXTCON_GPIO) += extcon_gpio.o
-obj-$(CONFIG_EXTCON_ADC_JACK) += extcon-adc-jack.o
obj-$(CONFIG_EXTCON_MAX77693) += extcon-max77693.o
obj-$(CONFIG_EXTCON_MAX8997) += extcon-max8997.o
obj-$(CONFIG_EXTCON_ARIZONA) += extcon-arizona.o
diff --git a/drivers/extcon/extcon-adc-jack.c b/drivers/extcon/extcon-adc-jack.c
deleted file mode 100644
index da058f7033ef..000000000000
--- a/drivers/extcon/extcon-adc-jack.c
+++ /dev/null
@@ -1,195 +0,0 @@
-/*
- * drivers/extcon/extcon-adc-jack.c
- *
- * Analog Jack extcon driver with ADC-based detection capability.
- *
- * Copyright (C) 2012 Samsung Electronics
- * MyungJoo Ham <myungjoo.ham@samsung.com>
- *
- * Modified for calling to IIO to get adc by <anish.singh@samsung.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- */
-
-#include <linux/slab.h>
-#include <linux/device.h>
-#include <linux/platform_device.h>
-#include <linux/err.h>
-#include <linux/interrupt.h>
-#include <linux/workqueue.h>
-#include <linux/iio/consumer.h>
-#include <linux/extcon/extcon-adc-jack.h>
-#include <linux/extcon.h>
-
-/**
- * struct adc_jack_data - internal data for adc_jack device driver
- * @edev - extcon device.
- * @cable_names - list of supported cables.
- * @num_cables - size of cable_names.
- * @adc_conditions - list of adc value conditions.
- * @num_conditions - size of adc_conditions.
- * @irq - irq number of attach/detach event (0 if not exist).
- * @handling_delay - interrupt handler will schedule extcon event
- * handling at handling_delay jiffies.
- * @handler - extcon event handler called by interrupt handler.
- * @chan - iio channel being queried.
- */
-struct adc_jack_data {
- struct extcon_dev edev;
-
- const char **cable_names;
- int num_cables;
- struct adc_jack_cond *adc_conditions;
- int num_conditions;
-
- int irq;
- unsigned long handling_delay; /* in jiffies */
- struct delayed_work handler;
-
- struct iio_channel *chan;
-};
-
-static void adc_jack_handler(struct work_struct *work)
-{
- struct adc_jack_data *data = container_of(to_delayed_work(work),
- struct adc_jack_data,
- handler);
- u32 state = 0;
- int ret, adc_val;
- int i;
-
- ret = iio_read_channel_raw(data->chan, &adc_val);
- if (ret < 0) {
- dev_err(data->edev.dev, "read channel() error: %d\n", ret);
- return;
- }
-
- /* Get state from adc value with adc_conditions */
- for (i = 0; i < data->num_conditions; i++) {
- struct adc_jack_cond *def = &data->adc_conditions[i];
- if (!def->state)
- break;
- if (def->min_adc <= adc_val && def->max_adc >= adc_val) {
- state = def->state;
- break;
- }
- }
- /* if no def has met, it means state = 0 (no cables attached) */
-
- extcon_set_state(&data->edev, state);
-}
-
-static irqreturn_t adc_jack_irq_thread(int irq, void *_data)
-{
- struct adc_jack_data *data = _data;
-
- schedule_delayed_work(&data->handler, data->handling_delay);
- return IRQ_HANDLED;
-}
-
-static int __devinit adc_jack_probe(struct platform_device *pdev)
-{
- struct adc_jack_data *data;
- struct adc_jack_pdata *pdata = pdev->dev.platform_data;
- int i, err = 0;
-
- data = devm_kzalloc(&pdev->dev, sizeof(*data), GFP_KERNEL);
- if (!data)
- return -ENOMEM;
-
- data->edev.name = pdata->name;
-
- if (pdata->cable_names)
- data->edev.supported_cable = pdata->cable_names;
- else
- data->edev.supported_cable = extcon_cable_name;
-
- /* Check the length of array and set num_cables */
- for (i = 0; data->edev.supported_cable[i]; i++)
- ;
- if (i == 0 || i > SUPPORTED_CABLE_MAX) {
- err = -EINVAL;
- dev_err(&pdev->dev, "error: pdata->cable_names size = %d\n",
- i - 1);
- goto out;
- }
- data->num_cables = i;
-
- if (!pdata->adc_conditions ||
- !pdata->adc_conditions[0].state) {
- err = -EINVAL;
- dev_err(&pdev->dev, "error: adc_conditions not defined.\n");
- goto out;
- }
- data->adc_conditions = pdata->adc_conditions;
-
- /* Check the length of array and set num_conditions */
- for (i = 0; data->adc_conditions[i].state; i++)
- ;
- data->num_conditions = i;
-
- data->chan = iio_channel_get(dev_name(&pdev->dev),
- pdata->consumer_channel);
- if (IS_ERR(data->chan)) {
- err = PTR_ERR(data->chan);
- goto out;
- }
-
- data->handling_delay = msecs_to_jiffies(pdata->handling_delay_ms);
-
- INIT_DELAYED_WORK_DEFERRABLE(&data->handler, adc_jack_handler);
-
- platform_set_drvdata(pdev, data);
-
- err = extcon_dev_register(&data->edev, &pdev->dev);
- if (err)
- goto out;
-
- data->irq = platform_get_irq(pdev, 0);
- if (!data->irq) {
- dev_err(&pdev->dev, "platform_get_irq failed\n");
- err = -ENODEV;
- goto err_irq;
- }
-
- err = request_any_context_irq(data->irq, adc_jack_irq_thread,
- pdata->irq_flags, pdata->name, data);
-
- if (err) {
- dev_err(&pdev->dev, "error: irq %d\n", data->irq);
- err = -EINVAL;
- goto err_irq;
- }
-
- goto out;
-
-err_irq:
- extcon_dev_unregister(&data->edev);
-out:
- return err;
-}
-
-static int __devexit adc_jack_remove(struct platform_device *pdev)
-{
- struct adc_jack_data *data = platform_get_drvdata(pdev);
-
- free_irq(data->irq, data);
- cancel_work_sync(&data->handler.work);
- extcon_dev_unregister(&data->edev);
-
- return 0;
-}
-
-static struct platform_driver adc_jack_driver = {
- .probe = adc_jack_probe,
- .remove = __devexit_p(adc_jack_remove),
- .driver = {
- .name = "adc-jack",
- .owner = THIS_MODULE,
- },
-};
-
-module_platform_driver(adc_jack_driver);
generated by cgit v1.2.3 (git 2.0.4) at 2024-11-08 23:04:59 +0000