Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: Input: add driver for Atmel integrated touchscreen controller Input: ads7846 - optimize order of calculating Rt in ads7846_rx() Input: ads7846 - fix sparse endian warnings Input: uinput - remove duplicate include Input: serio - offload resume to kseriod Input: serio - mark serio_register_driver() __must_check
This commit is contained in:
Linus Torvalds
Коммит
f934fb19ef
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@ -37,7 +37,6 @@
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#include <linux/fs.h>
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#include <linux/miscdevice.h>
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#include <linux/uinput.h>
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#include <linux/smp_lock.h>
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static int uinput_dev_event(struct input_dev *dev, unsigned int type, unsigned int code, int value)
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{
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@ -63,8 +63,9 @@ static LIST_HEAD(serio_list);
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static struct bus_type serio_bus;
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static void serio_add_port(struct serio *serio);
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static void serio_reconnect_port(struct serio *serio);
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static int serio_reconnect_port(struct serio *serio);
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static void serio_disconnect_port(struct serio *serio);
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static void serio_reconnect_chain(struct serio *serio);
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static void serio_attach_driver(struct serio_driver *drv);
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static int serio_connect_driver(struct serio *serio, struct serio_driver *drv)
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@ -161,6 +162,7 @@ static void serio_find_driver(struct serio *serio)
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enum serio_event_type {
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SERIO_RESCAN_PORT,
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SERIO_RECONNECT_PORT,
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SERIO_RECONNECT_CHAIN,
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SERIO_REGISTER_PORT,
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SERIO_ATTACH_DRIVER,
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};
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@ -315,6 +317,10 @@ static void serio_handle_event(void)
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serio_find_driver(event->object);
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break;
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case SERIO_RECONNECT_CHAIN:
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serio_reconnect_chain(event->object);
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break;
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case SERIO_ATTACH_DRIVER:
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serio_attach_driver(event->object);
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break;
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@ -470,7 +476,7 @@ static ssize_t serio_rebind_driver(struct device *dev, struct device_attribute *
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if (!strncmp(buf, "none", count)) {
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serio_disconnect_port(serio);
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} else if (!strncmp(buf, "reconnect", count)) {
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serio_reconnect_port(serio);
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serio_reconnect_chain(serio);
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} else if (!strncmp(buf, "rescan", count)) {
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serio_disconnect_port(serio);
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serio_find_driver(serio);
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@ -619,15 +625,31 @@ static void serio_destroy_port(struct serio *serio)
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put_device(&serio->dev);
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}
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/*
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* Reconnect serio port (re-initialize attached device).
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* If reconnect fails (old device is no longer attached or
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* there was no device to begin with) we do full rescan in
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* hope of finding a driver for the port.
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*/
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static int serio_reconnect_port(struct serio *serio)
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{
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int error = serio_reconnect_driver(serio);
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if (error) {
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serio_disconnect_port(serio);
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serio_find_driver(serio);
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}
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return error;
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}
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/*
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* Reconnect serio port and all its children (re-initialize attached devices)
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*/
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static void serio_reconnect_port(struct serio *serio)
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static void serio_reconnect_chain(struct serio *serio)
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{
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do {
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if (serio_reconnect_driver(serio)) {
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serio_disconnect_port(serio);
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serio_find_driver(serio);
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if (serio_reconnect_port(serio)) {
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/* Ok, old children are now gone, we are done */
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break;
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}
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@ -673,7 +695,7 @@ void serio_rescan(struct serio *serio)
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void serio_reconnect(struct serio *serio)
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{
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serio_queue_event(serio, NULL, SERIO_RECONNECT_PORT);
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serio_queue_event(serio, NULL, SERIO_RECONNECT_CHAIN);
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}
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/*
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@ -927,19 +949,16 @@ static int serio_suspend(struct device *dev, pm_message_t state)
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static int serio_resume(struct device *dev)
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{
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struct serio *serio = to_serio_port(dev);
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if (dev->power.power_state.event != PM_EVENT_ON &&
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serio_reconnect_driver(serio)) {
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/*
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* Driver re-probing can take a while, so better let kseriod
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* deal with it.
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*/
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serio_rescan(serio);
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/*
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* Driver reconnect can take a while, so better let kseriod
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* deal with it.
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*/
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if (dev->power.power_state.event != PM_EVENT_ON) {
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dev->power.power_state = PMSG_ON;
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serio_queue_event(to_serio_port(dev), NULL,
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SERIO_RECONNECT_PORT);
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}
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dev->power.power_state = PMSG_ON;
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return 0;
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}
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#endif /* CONFIG_PM */
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@ -205,6 +205,18 @@ config TOUCHSCREEN_TOUCHWIN
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To compile this driver as a module, choose M here: the
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module will be called touchwin.
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config TOUCHSCREEN_ATMEL_TSADCC
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tristate "Atmel Touchscreen Interface"
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depends on ARCH_AT91SAM9RL
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help
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Say Y here if you have a 4-wire touchscreen connected to the
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ADC Controller on your Atmel SoC (such as the AT91SAM9RL).
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If unsure, say N.
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To compile this driver as a module, choose M here: the
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module will be called atmel_tsadcc.
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config TOUCHSCREEN_UCB1400
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tristate "Philips UCB1400 touchscreen"
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select AC97_BUS
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@ -7,6 +7,7 @@
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wm97xx-ts-y := wm97xx-core.o
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obj-$(CONFIG_TOUCHSCREEN_ADS7846) += ads7846.o
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obj-$(CONFIG_TOUCHSCREEN_ATMEL_TSADCC) += atmel_tsadcc.o
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obj-$(CONFIG_TOUCHSCREEN_BITSY) += h3600_ts_input.o
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obj-$(CONFIG_TOUCHSCREEN_CORGI) += corgi_ts.o
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obj-$(CONFIG_TOUCHSCREEN_GUNZE) += gunze.o
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@ -517,7 +517,9 @@ static void ads7846_rx(void *ads)
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if (x == MAX_12BIT)
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x = 0;
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if (likely(x && z1)) {
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if (ts->model == 7843) {
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Rt = ts->pressure_max / 2;
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} else if (likely(x && z1)) {
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/* compute touch pressure resistance using equation #2 */
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Rt = z2;
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Rt -= z1;
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@ -525,11 +527,9 @@ static void ads7846_rx(void *ads)
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Rt *= ts->x_plate_ohms;
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Rt /= z1;
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Rt = (Rt + 2047) >> 12;
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} else
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} else {
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Rt = 0;
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if (ts->model == 7843)
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Rt = ts->pressure_max / 2;
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}
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/* Sample found inconsistent by debouncing or pressure is beyond
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* the maximum. Don't report it to user space, repeat at least
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@ -633,19 +633,17 @@ static void ads7846_rx_val(void *ads)
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struct ads7846 *ts = ads;
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struct spi_message *m;
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struct spi_transfer *t;
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u16 *rx_val;
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int val;
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int action;
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int status;
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m = &ts->msg[ts->msg_idx];
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t = list_entry(m->transfers.prev, struct spi_transfer, transfer_list);
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rx_val = t->rx_buf;
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/* adjust: on-wire is a must-ignore bit, a BE12 value, then padding;
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* built from two 8 bit values written msb-first.
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*/
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val = be16_to_cpu(*rx_val) >> 3;
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val = be16_to_cpup((__be16 *)t->rx_buf) >> 3;
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action = ts->filter(ts->filter_data, ts->msg_idx, &val);
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switch (action) {
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@ -659,7 +657,7 @@ static void ads7846_rx_val(void *ads)
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m = ts->last_msg;
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break;
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case ADS7846_FILTER_OK:
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*rx_val = val;
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*(u16 *)t->rx_buf = val;
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ts->tc.ignore = 0;
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m = &ts->msg[++ts->msg_idx];
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break;
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@ -0,0 +1,332 @@
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/*
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* Atmel Touch Screen Driver
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*
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* Copyright (c) 2008 ATMEL
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* Copyright (c) 2008 Dan Liang
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* Copyright (c) 2008 TimeSys Corporation
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* Copyright (c) 2008 Justin Waters
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*
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* Based on touchscreen code from Atmel Corporation.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#include <linux/init.h>
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#include <linux/err.h>
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#include <linux/kernel.h>
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#include <linux/module.h>
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#include <linux/input.h>
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#include <linux/slab.h>
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#include <linux/interrupt.h>
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#include <linux/clk.h>
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#include <linux/platform_device.h>
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#include <linux/io.h>
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/* Register definitions based on AT91SAM9RL64 preliminary draft datasheet */
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#define ATMEL_TSADCC_CR 0x00 /* Control register */
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#define ATMEL_TSADCC_SWRST (1 << 0) /* Software Reset*/
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#define ATMEL_TSADCC_START (1 << 1) /* Start conversion */
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#define ATMEL_TSADCC_MR 0x04 /* Mode register */
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#define ATMEL_TSADCC_TSAMOD (3 << 0) /* ADC mode */
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#define ATMEL_TSADCC_TSAMOD_ADC_ONLY_MODE (0x0) /* ADC Mode */
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#define ATMEL_TSADCC_TSAMOD_TS_ONLY_MODE (0x1) /* Touch Screen Only Mode */
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#define ATMEL_TSADCC_LOWRES (1 << 4) /* Resolution selection */
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#define ATMEL_TSADCC_SLEEP (1 << 5) /* Sleep mode */
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#define ATMEL_TSADCC_PENDET (1 << 6) /* Pen Detect selection */
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#define ATMEL_TSADCC_PRESCAL (0x3f << 8) /* Prescalar Rate Selection */
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#define ATMEL_TSADCC_STARTUP (0x7f << 16) /* Start Up time */
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#define ATMEL_TSADCC_SHTIM (0xf << 24) /* Sample & Hold time */
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#define ATMEL_TSADCC_PENDBC (0xf << 28) /* Pen Detect debouncing time */
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#define ATMEL_TSADCC_TRGR 0x08 /* Trigger register */
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#define ATMEL_TSADCC_TRGMOD (7 << 0) /* Trigger mode */
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#define ATMEL_TSADCC_TRGMOD_NONE (0 << 0)
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#define ATMEL_TSADCC_TRGMOD_EXT_RISING (1 << 0)
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#define ATMEL_TSADCC_TRGMOD_EXT_FALLING (2 << 0)
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#define ATMEL_TSADCC_TRGMOD_EXT_ANY (3 << 0)
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#define ATMEL_TSADCC_TRGMOD_PENDET (4 << 0)
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#define ATMEL_TSADCC_TRGMOD_PERIOD (5 << 0)
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#define ATMEL_TSADCC_TRGMOD_CONTINUOUS (6 << 0)
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#define ATMEL_TSADCC_TRGPER (0xffff << 16) /* Trigger period */
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#define ATMEL_TSADCC_TSR 0x0C /* Touch Screen register */
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#define ATMEL_TSADCC_TSFREQ (0xf << 0) /* TS Frequency in Interleaved mode */
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#define ATMEL_TSADCC_TSSHTIM (0xf << 24) /* Sample & Hold time */
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|
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#define ATMEL_TSADCC_CHER 0x10 /* Channel Enable register */
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#define ATMEL_TSADCC_CHDR 0x14 /* Channel Disable register */
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#define ATMEL_TSADCC_CHSR 0x18 /* Channel Status register */
|
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#define ATMEL_TSADCC_CH(n) (1 << (n)) /* Channel number */
|
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|
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#define ATMEL_TSADCC_SR 0x1C /* Status register */
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#define ATMEL_TSADCC_EOC(n) (1 << ((n)+0)) /* End of conversion for channel N */
|
||||
#define ATMEL_TSADCC_OVRE(n) (1 << ((n)+8)) /* Overrun error for channel N */
|
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#define ATMEL_TSADCC_DRDY (1 << 16) /* Data Ready */
|
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#define ATMEL_TSADCC_GOVRE (1 << 17) /* General Overrun Error */
|
||||
#define ATMEL_TSADCC_ENDRX (1 << 18) /* End of RX Buffer */
|
||||
#define ATMEL_TSADCC_RXBUFF (1 << 19) /* TX Buffer full */
|
||||
#define ATMEL_TSADCC_PENCNT (1 << 20) /* Pen contact */
|
||||
#define ATMEL_TSADCC_NOCNT (1 << 21) /* No contact */
|
||||
|
||||
#define ATMEL_TSADCC_LCDR 0x20 /* Last Converted Data register */
|
||||
#define ATMEL_TSADCC_DATA (0x3ff << 0) /* Channel data */
|
||||
|
||||
#define ATMEL_TSADCC_IER 0x24 /* Interrupt Enable register */
|
||||
#define ATMEL_TSADCC_IDR 0x28 /* Interrupt Disable register */
|
||||
#define ATMEL_TSADCC_IMR 0x2C /* Interrupt Mask register */
|
||||
#define ATMEL_TSADCC_CDR0 0x30 /* Channel Data 0 */
|
||||
#define ATMEL_TSADCC_CDR1 0x34 /* Channel Data 1 */
|
||||
#define ATMEL_TSADCC_CDR2 0x38 /* Channel Data 2 */
|
||||
#define ATMEL_TSADCC_CDR3 0x3C /* Channel Data 3 */
|
||||
#define ATMEL_TSADCC_CDR4 0x40 /* Channel Data 4 */
|
||||
#define ATMEL_TSADCC_CDR5 0x44 /* Channel Data 5 */
|
||||
|
||||
#define ADC_CLOCK 1000000
|
||||
|
||||
struct atmel_tsadcc {
|
||||
struct input_dev *input;
|
||||
char phys[32];
|
||||
struct clk *clk;
|
||||
int irq;
|
||||
};
|
||||
|
||||
static void __iomem *tsc_base;
|
||||
|
||||
#define atmel_tsadcc_read(reg) __raw_readl(tsc_base + (reg))
|
||||
#define atmel_tsadcc_write(reg, val) __raw_writel((val), tsc_base + (reg))
|
||||
|
||||
static irqreturn_t atmel_tsadcc_interrupt(int irq, void *dev)
|
||||
{
|
||||
struct input_dev *input_dev = ((struct atmel_tsadcc *)dev)->input;
|
||||
|
||||
unsigned int absx;
|
||||
unsigned int absy;
|
||||
unsigned int status;
|
||||
unsigned int reg;
|
||||
|
||||
status = atmel_tsadcc_read(ATMEL_TSADCC_SR);
|
||||
status &= atmel_tsadcc_read(ATMEL_TSADCC_IMR);
|
||||
|
||||
if (status & ATMEL_TSADCC_NOCNT) {
|
||||
/* Contact lost */
|
||||
reg = atmel_tsadcc_read(ATMEL_TSADCC_MR) | ATMEL_TSADCC_PENDBC;
|
||||
|
||||
atmel_tsadcc_write(ATMEL_TSADCC_MR, reg);
|
||||
atmel_tsadcc_write(ATMEL_TSADCC_TRGR, ATMEL_TSADCC_TRGMOD_NONE);
|
||||
atmel_tsadcc_write(ATMEL_TSADCC_IDR,
|
||||
ATMEL_TSADCC_EOC(3) | ATMEL_TSADCC_NOCNT);
|
||||
atmel_tsadcc_write(ATMEL_TSADCC_IER, ATMEL_TSADCC_PENCNT);
|
||||
|
||||
input_report_key(input_dev, BTN_TOUCH, 0);
|
||||
input_sync(input_dev);
|
||||
|
||||
} else if (status & ATMEL_TSADCC_PENCNT) {
|
||||
/* Pen detected */
|
||||
reg = atmel_tsadcc_read(ATMEL_TSADCC_MR);
|
||||
reg &= ~ATMEL_TSADCC_PENDBC;
|
||||
|
||||
atmel_tsadcc_write(ATMEL_TSADCC_IDR, ATMEL_TSADCC_PENCNT);
|
||||
atmel_tsadcc_write(ATMEL_TSADCC_MR, reg);
|
||||
atmel_tsadcc_write(ATMEL_TSADCC_IER,
|
||||
ATMEL_TSADCC_EOC(3) | ATMEL_TSADCC_NOCNT);
|
||||
atmel_tsadcc_write(ATMEL_TSADCC_TRGR,
|
||||
ATMEL_TSADCC_TRGMOD_PERIOD | (0x0FFF << 16));
|
||||
|
||||
} else if (status & ATMEL_TSADCC_EOC(3)) {
|
||||
/* Conversion finished */
|
||||
|
||||
absx = atmel_tsadcc_read(ATMEL_TSADCC_CDR3) << 10;
|
||||
absx /= atmel_tsadcc_read(ATMEL_TSADCC_CDR2);
|
||||
|
||||
absy = atmel_tsadcc_read(ATMEL_TSADCC_CDR1) << 10;
|
||||
absy /= atmel_tsadcc_read(ATMEL_TSADCC_CDR0);
|
||||
|
||||
input_report_abs(input_dev, ABS_X, absx);
|
||||
input_report_abs(input_dev, ABS_Y, absy);
|
||||
input_report_key(input_dev, BTN_TOUCH, 1);
|
||||
input_sync(input_dev);
|
||||
}
|
||||
|
||||
return IRQ_HANDLED;
|
||||
}
|
||||
|
||||
/*
|
||||
* The functions for inserting/removing us as a module.
|
||||
*/
|
||||
|
||||
static int __devinit atmel_tsadcc_probe(struct platform_device *pdev)
|
||||
{
|
||||
struct atmel_tsadcc *ts_dev;
|
||||
struct input_dev *input_dev;
|
||||
struct resource *res;
|
||||
int err = 0;
|
||||
unsigned int prsc;
|
||||
unsigned int reg;
|
||||
|
||||
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
|
||||
if (!res) {
|
||||
dev_err(&pdev->dev, "no mmio resource defined.\n");
|
||||
return -ENXIO;
|
||||
}
|
||||
|
||||
/* Allocate memory for device */
|
||||
ts_dev = kzalloc(sizeof(struct atmel_tsadcc), GFP_KERNEL);
|
||||
if (!ts_dev) {
|
||||
dev_err(&pdev->dev, "failed to allocate memory.\n");
|
||||
return -ENOMEM;
|
||||
}
|
||||
platform_set_drvdata(pdev, ts_dev);
|
||||
|
||||
input_dev = input_allocate_device();
|
||||
if (!input_dev) {
|
||||
dev_err(&pdev->dev, "failed to allocate input device.\n");
|
||||
err = -EBUSY;
|
||||
goto err_free_mem;
|
||||
}
|
||||
|
||||
ts_dev->irq = platform_get_irq(pdev, 0);
|
||||
if (ts_dev->irq < 0) {
|
||||
dev_err(&pdev->dev, "no irq ID is designated.\n");
|
||||
err = -ENODEV;
|
||||
goto err_free_dev;
|
||||
}
|
||||
|
||||
if (!request_mem_region(res->start, res->end - res->start + 1,
|
||||
"atmel tsadcc regs")) {
|
||||
dev_err(&pdev->dev, "resources is unavailable.\n");
|
||||
err = -EBUSY;
|
||||
goto err_free_dev;
|
||||
}
|
||||
|
||||
tsc_base = ioremap(res->start, res->end - res->start + 1);
|
||||
if (!tsc_base) {
|
||||
dev_err(&pdev->dev, "failed to map registers.\n");
|
||||
err = -ENOMEM;
|
||||
goto err_release_mem;
|
||||
}
|
||||
|
||||
err = request_irq(ts_dev->irq, atmel_tsadcc_interrupt, IRQF_DISABLED,
|
||||
pdev->dev.driver->name, ts_dev);
|
||||
if (err) {
|
||||
dev_err(&pdev->dev, "failed to allocate irq.\n");
|
||||
goto err_unmap_regs;
|
||||
}
|
||||
|
||||
ts_dev->clk = clk_get(&pdev->dev, "tsc_clk");
|
||||
if (IS_ERR(ts_dev->clk)) {
|
||||
dev_err(&pdev->dev, "failed to get ts_clk\n");
|
||||
err = PTR_ERR(ts_dev->clk);
|
||||
goto err_free_irq;
|
||||
}
|
||||
|
||||
ts_dev->input = input_dev;
|
||||
|
||||
snprintf(ts_dev->phys, sizeof(ts_dev->phys),
|
||||
"%s/input0", pdev->dev.bus_id);
|
||||
|
||||
input_dev->name = "atmel touch screen controller";
|
||||
input_dev->phys = ts_dev->phys;
|
||||
input_dev->dev.parent = &pdev->dev;
|
||||
|
||||
input_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS);
|
||||
input_dev->keybit[BIT_WORD(BTN_TOUCH)] = BIT_MASK(BTN_TOUCH);
|
||||
|
||||
input_set_abs_params(input_dev, ABS_X, 0, 0x3FF, 0, 0);
|
||||
input_set_abs_params(input_dev, ABS_Y, 0, 0x3FF, 0, 0);
|
||||
|
||||
/* clk_enable() always returns 0, no need to check it */
|
||||
clk_enable(ts_dev->clk);
|
||||
|
||||
prsc = clk_get_rate(ts_dev->clk);
|
||||
dev_info(&pdev->dev, "Master clock is set at: %d Hz\n", prsc);
|
||||
|
||||
prsc = prsc / ADC_CLOCK / 2 - 1;
|
||||
|
||||
reg = ATMEL_TSADCC_TSAMOD_TS_ONLY_MODE |
|
||||
((0x00 << 5) & ATMEL_TSADCC_SLEEP) | /* Normal Mode */
|
||||
((0x01 << 6) & ATMEL_TSADCC_PENDET) | /* Enable Pen Detect */
|
||||
((prsc << 8) & ATMEL_TSADCC_PRESCAL) | /* PRESCAL */
|
||||
((0x13 << 16) & ATMEL_TSADCC_STARTUP) | /* STARTUP */
|
||||
((0x0F << 28) & ATMEL_TSADCC_PENDBC); /* PENDBC */
|
||||
|
||||
atmel_tsadcc_write(ATMEL_TSADCC_CR, ATMEL_TSADCC_SWRST);
|
||||
atmel_tsadcc_write(ATMEL_TSADCC_MR, reg);
|
||||
atmel_tsadcc_write(ATMEL_TSADCC_TRGR, ATMEL_TSADCC_TRGMOD_NONE);
|
||||
atmel_tsadcc_write(ATMEL_TSADCC_TSR, (0x3 << 24) & ATMEL_TSADCC_TSSHTIM);
|
||||
|
||||
atmel_tsadcc_read(ATMEL_TSADCC_SR);
|
||||
atmel_tsadcc_write(ATMEL_TSADCC_IER, ATMEL_TSADCC_PENCNT);
|
||||
|
||||
/* All went ok, so register to the input system */
|
||||
err = input_register_device(input_dev);
|
||||
if (err)
|
||||
goto err_fail;
|
||||
|
||||
return 0;
|
||||
|
||||
err_fail:
|
||||
clk_disable(ts_dev->clk);
|
||||
clk_put(ts_dev->clk);
|
||||
err_free_irq:
|
||||
free_irq(ts_dev->irq, ts_dev);
|
||||
err_unmap_regs:
|
||||
iounmap(tsc_base);
|
||||
err_release_mem:
|
||||
release_mem_region(res->start, res->end - res->start + 1);
|
||||
err_free_dev:
|
||||
input_free_device(ts_dev->input);
|
||||
err_free_mem:
|
||||
kfree(ts_dev);
|
||||
return err;
|
||||
}
|
||||
|
||||
static int __devexit atmel_tsadcc_remove(struct platform_device *pdev)
|
||||
{
|
||||
struct atmel_tsadcc *ts_dev = dev_get_drvdata(&pdev->dev);
|
||||
struct resource *res;
|
||||
|
||||
free_irq(ts_dev->irq, ts_dev);
|
||||
|
||||
input_unregister_device(ts_dev->input);
|
||||
|
||||
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
|
||||
iounmap(tsc_base);
|
||||
release_mem_region(res->start, res->end - res->start + 1);
|
||||
|
||||
clk_disable(ts_dev->clk);
|
||||
clk_put(ts_dev->clk);
|
||||
|
||||
kfree(ts_dev);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static struct platform_driver atmel_tsadcc_driver = {
|
||||
.probe = atmel_tsadcc_probe,
|
||||
.remove = __devexit_p(atmel_tsadcc_remove),
|
||||
.driver = {
|
||||
.name = "atmel_tsadcc",
|
||||
},
|
||||
};
|
||||
|
||||
static int __init atmel_tsadcc_init(void)
|
||||
{
|
||||
return platform_driver_register(&atmel_tsadcc_driver);
|
||||
}
|
||||
|
||||
static void __exit atmel_tsadcc_exit(void)
|
||||
{
|
||||
platform_driver_unregister(&atmel_tsadcc_driver);
|
||||
}
|
||||
|
||||
module_init(atmel_tsadcc_init);
|
||||
module_exit(atmel_tsadcc_exit);
|
||||
|
||||
|
||||
MODULE_LICENSE("GPL");
|
||||
MODULE_DESCRIPTION("Atmel TouchScreen Driver");
|
||||
MODULE_AUTHOR("Dan Liang <dan.liang@atmel.com>");
|
||||
|
||||
|
|
@ -87,11 +87,10 @@ void serio_unregister_port(struct serio *serio);
|
|||
void serio_unregister_child_port(struct serio *serio);
|
||||
|
||||
int __serio_register_driver(struct serio_driver *drv, struct module *owner, const char *mod_name);
|
||||
static inline int serio_register_driver(struct serio_driver *drv)
|
||||
static inline int __must_check serio_register_driver(struct serio_driver *drv)
|
||||
{
|
||||
return __serio_register_driver(drv, THIS_MODULE, KBUILD_MODNAME);
|
||||
}
|
||||
int serio_register_driver(struct serio_driver *drv);
|
||||
void serio_unregister_driver(struct serio_driver *drv);
|
||||
|
||||
static inline int serio_write(struct serio *serio, unsigned char data)
|
||||
|
|
|
|||
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