mirror of https://gitee.com/openkylin/linux.git
697 lines
17 KiB
C
697 lines
17 KiB
C
/*
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* Driver for AUO in-cell touchscreens
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*
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* Copyright (c) 2011 Heiko Stuebner <heiko@sntech.de>
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*
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* loosely based on auo_touch.c from Dell Streak vendor-kernel
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*
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* Copyright (c) 2008 QUALCOMM Incorporated.
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* Copyright (c) 2008 QUALCOMM USA, INC.
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*
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*
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* This software is licensed under the terms of the GNU General Public
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* License version 2, as published by the Free Software Foundation, and
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* may be copied, distributed, and modified under those terms.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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*/
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#include <linux/kernel.h>
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#include <linux/module.h>
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#include <linux/interrupt.h>
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#include <linux/slab.h>
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#include <linux/input.h>
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#include <linux/jiffies.h>
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#include <linux/i2c.h>
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#include <linux/mutex.h>
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#include <linux/delay.h>
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#include <linux/gpio.h>
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#include <linux/input/auo-pixcir-ts.h>
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#include <linux/of.h>
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#include <linux/of_gpio.h>
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/*
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* Coordinate calculation:
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* X1 = X1_LSB + X1_MSB*256
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* Y1 = Y1_LSB + Y1_MSB*256
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* X2 = X2_LSB + X2_MSB*256
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* Y2 = Y2_LSB + Y2_MSB*256
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*/
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#define AUO_PIXCIR_REG_X1_LSB 0x00
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#define AUO_PIXCIR_REG_X1_MSB 0x01
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#define AUO_PIXCIR_REG_Y1_LSB 0x02
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#define AUO_PIXCIR_REG_Y1_MSB 0x03
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#define AUO_PIXCIR_REG_X2_LSB 0x04
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#define AUO_PIXCIR_REG_X2_MSB 0x05
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#define AUO_PIXCIR_REG_Y2_LSB 0x06
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#define AUO_PIXCIR_REG_Y2_MSB 0x07
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#define AUO_PIXCIR_REG_STRENGTH 0x0d
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#define AUO_PIXCIR_REG_STRENGTH_X1_LSB 0x0e
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#define AUO_PIXCIR_REG_STRENGTH_X1_MSB 0x0f
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#define AUO_PIXCIR_REG_RAW_DATA_X 0x2b
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#define AUO_PIXCIR_REG_RAW_DATA_Y 0x4f
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#define AUO_PIXCIR_REG_X_SENSITIVITY 0x6f
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#define AUO_PIXCIR_REG_Y_SENSITIVITY 0x70
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#define AUO_PIXCIR_REG_INT_SETTING 0x71
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#define AUO_PIXCIR_REG_INT_WIDTH 0x72
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#define AUO_PIXCIR_REG_POWER_MODE 0x73
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#define AUO_PIXCIR_REG_VERSION 0x77
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#define AUO_PIXCIR_REG_CALIBRATE 0x78
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#define AUO_PIXCIR_REG_TOUCHAREA_X1 0x1e
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#define AUO_PIXCIR_REG_TOUCHAREA_Y1 0x1f
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#define AUO_PIXCIR_REG_TOUCHAREA_X2 0x20
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#define AUO_PIXCIR_REG_TOUCHAREA_Y2 0x21
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#define AUO_PIXCIR_REG_EEPROM_CALIB_X 0x42
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#define AUO_PIXCIR_REG_EEPROM_CALIB_Y 0xad
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#define AUO_PIXCIR_INT_TPNUM_MASK 0xe0
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#define AUO_PIXCIR_INT_TPNUM_SHIFT 5
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#define AUO_PIXCIR_INT_RELEASE (1 << 4)
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#define AUO_PIXCIR_INT_ENABLE (1 << 3)
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#define AUO_PIXCIR_INT_POL_HIGH (1 << 2)
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#define AUO_PIXCIR_INT_MODE_MASK 0x03
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/*
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* Power modes:
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* active: scan speed 60Hz
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* sleep: scan speed 10Hz can be auto-activated, wakeup on 1st touch
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* deep sleep: scan speed 1Hz can only be entered or left manually.
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*/
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#define AUO_PIXCIR_POWER_ACTIVE 0x00
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#define AUO_PIXCIR_POWER_SLEEP 0x01
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#define AUO_PIXCIR_POWER_DEEP_SLEEP 0x02
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#define AUO_PIXCIR_POWER_MASK 0x03
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#define AUO_PIXCIR_POWER_ALLOW_SLEEP (1 << 2)
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#define AUO_PIXCIR_POWER_IDLE_TIME(ms) ((ms & 0xf) << 4)
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#define AUO_PIXCIR_CALIBRATE 0x03
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#define AUO_PIXCIR_EEPROM_CALIB_X_LEN 62
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#define AUO_PIXCIR_EEPROM_CALIB_Y_LEN 36
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#define AUO_PIXCIR_RAW_DATA_X_LEN 18
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#define AUO_PIXCIR_RAW_DATA_Y_LEN 11
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#define AUO_PIXCIR_STRENGTH_ENABLE (1 << 0)
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/* Touchscreen absolute values */
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#define AUO_PIXCIR_REPORT_POINTS 2
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#define AUO_PIXCIR_MAX_AREA 0xff
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#define AUO_PIXCIR_PENUP_TIMEOUT_MS 10
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struct auo_pixcir_ts {
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struct i2c_client *client;
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struct input_dev *input;
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const struct auo_pixcir_ts_platdata *pdata;
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char phys[32];
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/* special handling for touch_indicate interupt mode */
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bool touch_ind_mode;
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wait_queue_head_t wait;
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bool stopped;
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};
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struct auo_point_t {
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int coord_x;
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int coord_y;
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int area_major;
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int area_minor;
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int orientation;
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};
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static int auo_pixcir_collect_data(struct auo_pixcir_ts *ts,
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struct auo_point_t *point)
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{
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struct i2c_client *client = ts->client;
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const struct auo_pixcir_ts_platdata *pdata = ts->pdata;
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uint8_t raw_coord[8];
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uint8_t raw_area[4];
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int i, ret;
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/* touch coordinates */
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ret = i2c_smbus_read_i2c_block_data(client, AUO_PIXCIR_REG_X1_LSB,
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8, raw_coord);
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if (ret < 0) {
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dev_err(&client->dev, "failed to read coordinate, %d\n", ret);
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return ret;
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}
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/* touch area */
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ret = i2c_smbus_read_i2c_block_data(client, AUO_PIXCIR_REG_TOUCHAREA_X1,
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4, raw_area);
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if (ret < 0) {
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dev_err(&client->dev, "could not read touch area, %d\n", ret);
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return ret;
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}
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for (i = 0; i < AUO_PIXCIR_REPORT_POINTS; i++) {
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point[i].coord_x =
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raw_coord[4 * i + 1] << 8 | raw_coord[4 * i];
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point[i].coord_y =
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raw_coord[4 * i + 3] << 8 | raw_coord[4 * i + 2];
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if (point[i].coord_x > pdata->x_max ||
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point[i].coord_y > pdata->y_max) {
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dev_warn(&client->dev, "coordinates (%d,%d) invalid\n",
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point[i].coord_x, point[i].coord_y);
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point[i].coord_x = point[i].coord_y = 0;
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}
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/* determine touch major, minor and orientation */
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point[i].area_major = max(raw_area[2 * i], raw_area[2 * i + 1]);
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point[i].area_minor = min(raw_area[2 * i], raw_area[2 * i + 1]);
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point[i].orientation = raw_area[2 * i] > raw_area[2 * i + 1];
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}
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return 0;
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}
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static irqreturn_t auo_pixcir_interrupt(int irq, void *dev_id)
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{
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struct auo_pixcir_ts *ts = dev_id;
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const struct auo_pixcir_ts_platdata *pdata = ts->pdata;
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struct auo_point_t point[AUO_PIXCIR_REPORT_POINTS];
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int i;
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int ret;
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int fingers = 0;
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int abs = -1;
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while (!ts->stopped) {
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/* check for up event in touch touch_ind_mode */
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if (ts->touch_ind_mode) {
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if (gpio_get_value(pdata->gpio_int) == 0) {
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input_mt_sync(ts->input);
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input_report_key(ts->input, BTN_TOUCH, 0);
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input_sync(ts->input);
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break;
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}
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}
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ret = auo_pixcir_collect_data(ts, point);
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if (ret < 0) {
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/* we want to loop only in touch_ind_mode */
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if (!ts->touch_ind_mode)
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break;
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wait_event_timeout(ts->wait, ts->stopped,
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msecs_to_jiffies(AUO_PIXCIR_PENUP_TIMEOUT_MS));
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continue;
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}
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for (i = 0; i < AUO_PIXCIR_REPORT_POINTS; i++) {
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if (point[i].coord_x > 0 || point[i].coord_y > 0) {
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input_report_abs(ts->input, ABS_MT_POSITION_X,
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point[i].coord_x);
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input_report_abs(ts->input, ABS_MT_POSITION_Y,
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point[i].coord_y);
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input_report_abs(ts->input, ABS_MT_TOUCH_MAJOR,
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point[i].area_major);
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input_report_abs(ts->input, ABS_MT_TOUCH_MINOR,
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point[i].area_minor);
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input_report_abs(ts->input, ABS_MT_ORIENTATION,
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point[i].orientation);
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input_mt_sync(ts->input);
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/* use first finger as source for singletouch */
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if (fingers == 0)
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abs = i;
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/* number of touch points could also be queried
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* via i2c but would require an additional call
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*/
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fingers++;
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}
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}
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input_report_key(ts->input, BTN_TOUCH, fingers > 0);
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if (abs > -1) {
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input_report_abs(ts->input, ABS_X, point[abs].coord_x);
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input_report_abs(ts->input, ABS_Y, point[abs].coord_y);
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}
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input_sync(ts->input);
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/* we want to loop only in touch_ind_mode */
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if (!ts->touch_ind_mode)
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break;
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wait_event_timeout(ts->wait, ts->stopped,
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msecs_to_jiffies(AUO_PIXCIR_PENUP_TIMEOUT_MS));
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}
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return IRQ_HANDLED;
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}
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/*
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* Set the power mode of the device.
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* Valid modes are
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* - AUO_PIXCIR_POWER_ACTIVE
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* - AUO_PIXCIR_POWER_SLEEP - automatically left on first touch
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* - AUO_PIXCIR_POWER_DEEP_SLEEP
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*/
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static int auo_pixcir_power_mode(struct auo_pixcir_ts *ts, int mode)
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{
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struct i2c_client *client = ts->client;
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int ret;
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ret = i2c_smbus_read_byte_data(client, AUO_PIXCIR_REG_POWER_MODE);
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if (ret < 0) {
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dev_err(&client->dev, "unable to read reg %Xh, %d\n",
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AUO_PIXCIR_REG_POWER_MODE, ret);
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return ret;
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}
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ret &= ~AUO_PIXCIR_POWER_MASK;
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ret |= mode;
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ret = i2c_smbus_write_byte_data(client, AUO_PIXCIR_REG_POWER_MODE, ret);
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if (ret) {
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dev_err(&client->dev, "unable to write reg %Xh, %d\n",
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AUO_PIXCIR_REG_POWER_MODE, ret);
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return ret;
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}
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return 0;
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}
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static int auo_pixcir_int_config(struct auo_pixcir_ts *ts,
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int int_setting)
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{
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struct i2c_client *client = ts->client;
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const struct auo_pixcir_ts_platdata *pdata = ts->pdata;
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int ret;
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ret = i2c_smbus_read_byte_data(client, AUO_PIXCIR_REG_INT_SETTING);
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if (ret < 0) {
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dev_err(&client->dev, "unable to read reg %Xh, %d\n",
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AUO_PIXCIR_REG_INT_SETTING, ret);
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return ret;
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}
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ret &= ~AUO_PIXCIR_INT_MODE_MASK;
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ret |= int_setting;
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ret |= AUO_PIXCIR_INT_POL_HIGH; /* always use high for interrupts */
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ret = i2c_smbus_write_byte_data(client, AUO_PIXCIR_REG_INT_SETTING,
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ret);
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if (ret < 0) {
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dev_err(&client->dev, "unable to write reg %Xh, %d\n",
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AUO_PIXCIR_REG_INT_SETTING, ret);
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return ret;
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}
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ts->touch_ind_mode = pdata->int_setting == AUO_PIXCIR_INT_TOUCH_IND;
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return 0;
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}
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/* control the generation of interrupts on the device side */
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static int auo_pixcir_int_toggle(struct auo_pixcir_ts *ts, bool enable)
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{
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struct i2c_client *client = ts->client;
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int ret;
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ret = i2c_smbus_read_byte_data(client, AUO_PIXCIR_REG_INT_SETTING);
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if (ret < 0) {
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dev_err(&client->dev, "unable to read reg %Xh, %d\n",
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AUO_PIXCIR_REG_INT_SETTING, ret);
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return ret;
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}
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if (enable)
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ret |= AUO_PIXCIR_INT_ENABLE;
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else
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ret &= ~AUO_PIXCIR_INT_ENABLE;
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ret = i2c_smbus_write_byte_data(client, AUO_PIXCIR_REG_INT_SETTING,
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ret);
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if (ret < 0) {
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dev_err(&client->dev, "unable to write reg %Xh, %d\n",
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AUO_PIXCIR_REG_INT_SETTING, ret);
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return ret;
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}
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return 0;
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}
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static int auo_pixcir_start(struct auo_pixcir_ts *ts)
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{
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struct i2c_client *client = ts->client;
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int ret;
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ret = auo_pixcir_power_mode(ts, AUO_PIXCIR_POWER_ACTIVE);
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if (ret < 0) {
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dev_err(&client->dev, "could not set power mode, %d\n",
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ret);
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return ret;
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}
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ts->stopped = false;
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mb();
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enable_irq(client->irq);
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ret = auo_pixcir_int_toggle(ts, 1);
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if (ret < 0) {
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dev_err(&client->dev, "could not enable interrupt, %d\n",
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ret);
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disable_irq(client->irq);
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return ret;
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}
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return 0;
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}
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static int auo_pixcir_stop(struct auo_pixcir_ts *ts)
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{
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struct i2c_client *client = ts->client;
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int ret;
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ret = auo_pixcir_int_toggle(ts, 0);
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if (ret < 0) {
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dev_err(&client->dev, "could not disable interrupt, %d\n",
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ret);
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return ret;
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}
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/* disable receiving of interrupts */
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disable_irq(client->irq);
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ts->stopped = true;
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mb();
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wake_up(&ts->wait);
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return auo_pixcir_power_mode(ts, AUO_PIXCIR_POWER_DEEP_SLEEP);
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}
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static int auo_pixcir_input_open(struct input_dev *dev)
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{
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struct auo_pixcir_ts *ts = input_get_drvdata(dev);
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return auo_pixcir_start(ts);
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}
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static void auo_pixcir_input_close(struct input_dev *dev)
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{
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struct auo_pixcir_ts *ts = input_get_drvdata(dev);
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auo_pixcir_stop(ts);
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return;
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}
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static int __maybe_unused auo_pixcir_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 auo_pixcir_ts *ts = i2c_get_clientdata(client);
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struct input_dev *input = ts->input;
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int ret = 0;
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mutex_lock(&input->mutex);
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/* when configured as wakeup source, device should always wake system
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* therefore start device if necessary
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*/
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if (device_may_wakeup(&client->dev)) {
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/* need to start device if not open, to be wakeup source */
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if (!input->users) {
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ret = auo_pixcir_start(ts);
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if (ret)
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goto unlock;
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}
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enable_irq_wake(client->irq);
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ret = auo_pixcir_power_mode(ts, AUO_PIXCIR_POWER_SLEEP);
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} else if (input->users) {
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ret = auo_pixcir_stop(ts);
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}
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unlock:
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mutex_unlock(&input->mutex);
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return ret;
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}
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static int __maybe_unused auo_pixcir_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 auo_pixcir_ts *ts = i2c_get_clientdata(client);
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struct input_dev *input = ts->input;
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int ret = 0;
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mutex_lock(&input->mutex);
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if (device_may_wakeup(&client->dev)) {
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disable_irq_wake(client->irq);
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/* need to stop device if it was not open on suspend */
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if (!input->users) {
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ret = auo_pixcir_stop(ts);
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if (ret)
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goto unlock;
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}
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/* device wakes automatically from SLEEP */
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} else if (input->users) {
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ret = auo_pixcir_start(ts);
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}
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unlock:
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mutex_unlock(&input->mutex);
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return ret;
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}
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static SIMPLE_DEV_PM_OPS(auo_pixcir_pm_ops,
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auo_pixcir_suspend, auo_pixcir_resume);
|
|
|
|
#ifdef CONFIG_OF
|
|
static struct auo_pixcir_ts_platdata *auo_pixcir_parse_dt(struct device *dev)
|
|
{
|
|
struct auo_pixcir_ts_platdata *pdata;
|
|
struct device_node *np = dev->of_node;
|
|
|
|
if (!np)
|
|
return ERR_PTR(-ENOENT);
|
|
|
|
pdata = devm_kzalloc(dev, sizeof(*pdata), GFP_KERNEL);
|
|
if (!pdata) {
|
|
dev_err(dev, "failed to allocate platform data\n");
|
|
return ERR_PTR(-ENOMEM);
|
|
}
|
|
|
|
pdata->gpio_int = of_get_gpio(np, 0);
|
|
if (!gpio_is_valid(pdata->gpio_int)) {
|
|
dev_err(dev, "failed to get interrupt gpio\n");
|
|
return ERR_PTR(-EINVAL);
|
|
}
|
|
|
|
pdata->gpio_rst = of_get_gpio(np, 1);
|
|
if (!gpio_is_valid(pdata->gpio_rst)) {
|
|
dev_err(dev, "failed to get reset gpio\n");
|
|
return ERR_PTR(-EINVAL);
|
|
}
|
|
|
|
if (of_property_read_u32(np, "x-size", &pdata->x_max)) {
|
|
dev_err(dev, "failed to get x-size property\n");
|
|
return ERR_PTR(-EINVAL);
|
|
}
|
|
|
|
if (of_property_read_u32(np, "y-size", &pdata->y_max)) {
|
|
dev_err(dev, "failed to get y-size property\n");
|
|
return ERR_PTR(-EINVAL);
|
|
}
|
|
|
|
/* default to asserting the interrupt when the screen is touched */
|
|
pdata->int_setting = AUO_PIXCIR_INT_TOUCH_IND;
|
|
|
|
return pdata;
|
|
}
|
|
#else
|
|
static struct auo_pixcir_ts_platdata *auo_pixcir_parse_dt(struct device *dev)
|
|
{
|
|
return ERR_PTR(-EINVAL);
|
|
}
|
|
#endif
|
|
|
|
static void auo_pixcir_reset(void *data)
|
|
{
|
|
struct auo_pixcir_ts *ts = data;
|
|
|
|
gpio_set_value(ts->pdata->gpio_rst, 0);
|
|
}
|
|
|
|
static int auo_pixcir_probe(struct i2c_client *client,
|
|
const struct i2c_device_id *id)
|
|
{
|
|
const struct auo_pixcir_ts_platdata *pdata;
|
|
struct auo_pixcir_ts *ts;
|
|
struct input_dev *input_dev;
|
|
int version;
|
|
int error;
|
|
|
|
pdata = dev_get_platdata(&client->dev);
|
|
if (!pdata) {
|
|
pdata = auo_pixcir_parse_dt(&client->dev);
|
|
if (IS_ERR(pdata))
|
|
return PTR_ERR(pdata);
|
|
}
|
|
|
|
ts = devm_kzalloc(&client->dev,
|
|
sizeof(struct auo_pixcir_ts), GFP_KERNEL);
|
|
if (!ts)
|
|
return -ENOMEM;
|
|
|
|
input_dev = devm_input_allocate_device(&client->dev);
|
|
if (!input_dev) {
|
|
dev_err(&client->dev, "could not allocate input device\n");
|
|
return -ENOMEM;
|
|
}
|
|
|
|
ts->pdata = pdata;
|
|
ts->client = client;
|
|
ts->input = input_dev;
|
|
ts->touch_ind_mode = 0;
|
|
ts->stopped = true;
|
|
init_waitqueue_head(&ts->wait);
|
|
|
|
snprintf(ts->phys, sizeof(ts->phys),
|
|
"%s/input0", dev_name(&client->dev));
|
|
|
|
input_dev->name = "AUO-Pixcir touchscreen";
|
|
input_dev->phys = ts->phys;
|
|
input_dev->id.bustype = BUS_I2C;
|
|
|
|
input_dev->open = auo_pixcir_input_open;
|
|
input_dev->close = auo_pixcir_input_close;
|
|
|
|
__set_bit(EV_ABS, input_dev->evbit);
|
|
__set_bit(EV_KEY, input_dev->evbit);
|
|
|
|
__set_bit(BTN_TOUCH, input_dev->keybit);
|
|
|
|
/* For single touch */
|
|
input_set_abs_params(input_dev, ABS_X, 0, pdata->x_max, 0, 0);
|
|
input_set_abs_params(input_dev, ABS_Y, 0, pdata->y_max, 0, 0);
|
|
|
|
/* For multi touch */
|
|
input_set_abs_params(input_dev, ABS_MT_POSITION_X, 0,
|
|
pdata->x_max, 0, 0);
|
|
input_set_abs_params(input_dev, ABS_MT_POSITION_Y, 0,
|
|
pdata->y_max, 0, 0);
|
|
input_set_abs_params(input_dev, ABS_MT_TOUCH_MAJOR, 0,
|
|
AUO_PIXCIR_MAX_AREA, 0, 0);
|
|
input_set_abs_params(input_dev, ABS_MT_TOUCH_MINOR, 0,
|
|
AUO_PIXCIR_MAX_AREA, 0, 0);
|
|
input_set_abs_params(input_dev, ABS_MT_ORIENTATION, 0, 1, 0, 0);
|
|
|
|
input_set_drvdata(ts->input, ts);
|
|
|
|
error = devm_gpio_request_one(&client->dev, pdata->gpio_int,
|
|
GPIOF_DIR_IN, "auo_pixcir_ts_int");
|
|
if (error) {
|
|
dev_err(&client->dev, "request of gpio %d failed, %d\n",
|
|
pdata->gpio_int, error);
|
|
return error;
|
|
}
|
|
|
|
error = devm_gpio_request_one(&client->dev, pdata->gpio_rst,
|
|
GPIOF_DIR_OUT | GPIOF_INIT_HIGH,
|
|
"auo_pixcir_ts_rst");
|
|
if (error) {
|
|
dev_err(&client->dev, "request of gpio %d failed, %d\n",
|
|
pdata->gpio_rst, error);
|
|
return error;
|
|
}
|
|
|
|
error = devm_add_action(&client->dev, auo_pixcir_reset, ts);
|
|
if (error) {
|
|
auo_pixcir_reset(ts);
|
|
dev_err(&client->dev, "failed to register reset action, %d\n",
|
|
error);
|
|
return error;
|
|
}
|
|
|
|
msleep(200);
|
|
|
|
version = i2c_smbus_read_byte_data(client, AUO_PIXCIR_REG_VERSION);
|
|
if (version < 0) {
|
|
error = version;
|
|
return error;
|
|
}
|
|
|
|
dev_info(&client->dev, "firmware version 0x%X\n", version);
|
|
|
|
error = auo_pixcir_int_config(ts, pdata->int_setting);
|
|
if (error)
|
|
return error;
|
|
|
|
error = devm_request_threaded_irq(&client->dev, client->irq,
|
|
NULL, auo_pixcir_interrupt,
|
|
IRQF_TRIGGER_RISING | IRQF_ONESHOT,
|
|
input_dev->name, ts);
|
|
if (error) {
|
|
dev_err(&client->dev, "irq %d requested failed, %d\n",
|
|
client->irq, error);
|
|
return error;
|
|
}
|
|
|
|
/* stop device and put it into deep sleep until it is opened */
|
|
error = auo_pixcir_stop(ts);
|
|
if (error)
|
|
return error;
|
|
|
|
error = input_register_device(input_dev);
|
|
if (error) {
|
|
dev_err(&client->dev, "could not register input device, %d\n",
|
|
error);
|
|
return error;
|
|
}
|
|
|
|
i2c_set_clientdata(client, ts);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static const struct i2c_device_id auo_pixcir_idtable[] = {
|
|
{ "auo_pixcir_ts", 0 },
|
|
{ }
|
|
};
|
|
MODULE_DEVICE_TABLE(i2c, auo_pixcir_idtable);
|
|
|
|
#ifdef CONFIG_OF
|
|
static const struct of_device_id auo_pixcir_ts_dt_idtable[] = {
|
|
{ .compatible = "auo,auo_pixcir_ts" },
|
|
{},
|
|
};
|
|
MODULE_DEVICE_TABLE(of, auo_pixcir_ts_dt_idtable);
|
|
#endif
|
|
|
|
static struct i2c_driver auo_pixcir_driver = {
|
|
.driver = {
|
|
.name = "auo_pixcir_ts",
|
|
.pm = &auo_pixcir_pm_ops,
|
|
.of_match_table = of_match_ptr(auo_pixcir_ts_dt_idtable),
|
|
},
|
|
.probe = auo_pixcir_probe,
|
|
.id_table = auo_pixcir_idtable,
|
|
};
|
|
|
|
module_i2c_driver(auo_pixcir_driver);
|
|
|
|
MODULE_DESCRIPTION("AUO-PIXCIR touchscreen driver");
|
|
MODULE_LICENSE("GPL v2");
|
|
MODULE_AUTHOR("Heiko Stuebner <heiko@sntech.de>");
|