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path: root/drivers/media/pci/cx88/cx88-input.c
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Diffstat (limited to 'drivers/media/pci/cx88/cx88-input.c')
-rw-r--r--drivers/media/pci/cx88/cx88-input.c635
1 files changed, 635 insertions, 0 deletions
diff --git a/drivers/media/pci/cx88/cx88-input.c b/drivers/media/pci/cx88/cx88-input.c
new file mode 100644
index 0000000..ebf448c
--- /dev/null
+++ b/drivers/media/pci/cx88/cx88-input.c
@@ -0,0 +1,635 @@
+/*
+ *
+ * Device driver for GPIO attached remote control interfaces
+ * on Conexant 2388x based TV/DVB cards.
+ *
+ * Copyright (c) 2003 Pavel Machek
+ * Copyright (c) 2004 Gerd Knorr
+ * Copyright (c) 2004, 2005 Chris Pascoe
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#include <linux/init.h>
+#include <linux/hrtimer.h>
+#include <linux/pci.h>
+#include <linux/slab.h>
+#include <linux/module.h>
+
+#include "cx88.h"
+#include <media/rc-core.h>
+
+#define MODULE_NAME "cx88xx"
+
+/* ---------------------------------------------------------------------- */
+
+struct cx88_IR {
+ struct cx88_core *core;
+ struct rc_dev *dev;
+
+ int users;
+
+ char name[32];
+ char phys[32];
+
+ /* sample from gpio pin 16 */
+ u32 sampling;
+
+ /* poll external decoder */
+ int polling;
+ struct hrtimer timer;
+ u32 gpio_addr;
+ u32 last_gpio;
+ u32 mask_keycode;
+ u32 mask_keydown;
+ u32 mask_keyup;
+};
+
+static unsigned ir_samplerate = 4;
+module_param(ir_samplerate, uint, 0444);
+MODULE_PARM_DESC(ir_samplerate, "IR samplerate in kHz, 1 - 20, default 4");
+
+static int ir_debug;
+module_param(ir_debug, int, 0644); /* debug level [IR] */
+MODULE_PARM_DESC(ir_debug, "enable debug messages [IR]");
+
+#define ir_dprintk(fmt, arg...) if (ir_debug) \
+ printk(KERN_DEBUG "%s IR: " fmt , ir->core->name , ##arg)
+
+#define dprintk(fmt, arg...) if (ir_debug) \
+ printk(KERN_DEBUG "cx88 IR: " fmt , ##arg)
+
+/* ---------------------------------------------------------------------- */
+
+static void cx88_ir_handle_key(struct cx88_IR *ir)
+{
+ struct cx88_core *core = ir->core;
+ u32 gpio, data, auxgpio;
+
+ /* read gpio value */
+ gpio = cx_read(ir->gpio_addr);
+ switch (core->boardnr) {
+ case CX88_BOARD_NPGTECH_REALTV_TOP10FM:
+ /* This board apparently uses a combination of 2 GPIO
+ to represent the keys. Additionally, the second GPIO
+ can be used for parity.
+
+ Example:
+
+ for key "5"
+ gpio = 0x758, auxgpio = 0xe5 or 0xf5
+ for key "Power"
+ gpio = 0x758, auxgpio = 0xed or 0xfd
+ */
+
+ auxgpio = cx_read(MO_GP1_IO);
+ /* Take out the parity part */
+ gpio=(gpio & 0x7fd) + (auxgpio & 0xef);
+ break;
+ case CX88_BOARD_WINFAST_DTV1000:
+ case CX88_BOARD_WINFAST_DTV1800H:
+ case CX88_BOARD_WINFAST_DTV1800H_XC4000:
+ case CX88_BOARD_WINFAST_DTV2000H_PLUS:
+ case CX88_BOARD_WINFAST_TV2000_XP_GLOBAL:
+ case CX88_BOARD_WINFAST_TV2000_XP_GLOBAL_6F36:
+ case CX88_BOARD_WINFAST_TV2000_XP_GLOBAL_6F43:
+ gpio = (gpio & 0x6ff) | ((cx_read(MO_GP1_IO) << 8) & 0x900);
+ auxgpio = gpio;
+ break;
+ default:
+ auxgpio = gpio;
+ }
+ if (ir->polling) {
+ if (ir->last_gpio == auxgpio)
+ return;
+ ir->last_gpio = auxgpio;
+ }
+
+ /* extract data */
+ data = ir_extract_bits(gpio, ir->mask_keycode);
+ ir_dprintk("irq gpio=0x%x code=%d | %s%s%s\n",
+ gpio, data,
+ ir->polling ? "poll" : "irq",
+ (gpio & ir->mask_keydown) ? " down" : "",
+ (gpio & ir->mask_keyup) ? " up" : "");
+
+ if (ir->core->boardnr == CX88_BOARD_NORWOOD_MICRO) {
+ u32 gpio_key = cx_read(MO_GP0_IO);
+
+ data = (data << 4) | ((gpio_key & 0xf0) >> 4);
+
+ rc_keydown(ir->dev, data, 0);
+
+ } else if (ir->mask_keydown) {
+ /* bit set on keydown */
+ if (gpio & ir->mask_keydown)
+ rc_keydown_notimeout(ir->dev, data, 0);
+ else
+ rc_keyup(ir->dev);
+
+ } else if (ir->mask_keyup) {
+ /* bit cleared on keydown */
+ if (0 == (gpio & ir->mask_keyup))
+ rc_keydown_notimeout(ir->dev, data, 0);
+ else
+ rc_keyup(ir->dev);
+
+ } else {
+ /* can't distinguish keydown/up :-/ */
+ rc_keydown_notimeout(ir->dev, data, 0);
+ rc_keyup(ir->dev);
+ }
+}
+
+static enum hrtimer_restart cx88_ir_work(struct hrtimer *timer)
+{
+ unsigned long missed;
+ struct cx88_IR *ir = container_of(timer, struct cx88_IR, timer);
+
+ cx88_ir_handle_key(ir);
+ missed = hrtimer_forward_now(&ir->timer,
+ ktime_set(0, ir->polling * 1000000));
+ if (missed > 1)
+ ir_dprintk("Missed ticks %ld\n", missed - 1);
+
+ return HRTIMER_RESTART;
+}
+
+static int __cx88_ir_start(void *priv)
+{
+ struct cx88_core *core = priv;
+ struct cx88_IR *ir;
+
+ if (!core || !core->ir)
+ return -EINVAL;
+
+ ir = core->ir;
+
+ if (ir->polling) {
+ hrtimer_init(&ir->timer, CLOCK_MONOTONIC, HRTIMER_MODE_REL);
+ ir->timer.function = cx88_ir_work;
+ hrtimer_start(&ir->timer,
+ ktime_set(0, ir->polling * 1000000),
+ HRTIMER_MODE_REL);
+ }
+ if (ir->sampling) {
+ core->pci_irqmask |= PCI_INT_IR_SMPINT;
+ cx_write(MO_DDS_IO, 0x33F286 * ir_samplerate); /* samplerate */
+ cx_write(MO_DDSCFG_IO, 0x5); /* enable */
+ }
+ return 0;
+}
+
+static void __cx88_ir_stop(void *priv)
+{
+ struct cx88_core *core = priv;
+ struct cx88_IR *ir;
+
+ if (!core || !core->ir)
+ return;
+
+ ir = core->ir;
+ if (ir->sampling) {
+ cx_write(MO_DDSCFG_IO, 0x0);
+ core->pci_irqmask &= ~PCI_INT_IR_SMPINT;
+ }
+
+ if (ir->polling)
+ hrtimer_cancel(&ir->timer);
+}
+
+int cx88_ir_start(struct cx88_core *core)
+{
+ if (core->ir->users)
+ return __cx88_ir_start(core);
+
+ return 0;
+}
+
+void cx88_ir_stop(struct cx88_core *core)
+{
+ if (core->ir->users)
+ __cx88_ir_stop(core);
+}
+
+static int cx88_ir_open(struct rc_dev *rc)
+{
+ struct cx88_core *core = rc->priv;
+
+ core->ir->users++;
+ return __cx88_ir_start(core);
+}
+
+static void cx88_ir_close(struct rc_dev *rc)
+{
+ struct cx88_core *core = rc->priv;
+
+ core->ir->users--;
+ if (!core->ir->users)
+ __cx88_ir_stop(core);
+}
+
+/* ---------------------------------------------------------------------- */
+
+int cx88_ir_init(struct cx88_core *core, struct pci_dev *pci)
+{
+ struct cx88_IR *ir;
+ struct rc_dev *dev;
+ char *ir_codes = NULL;
+ u64 rc_type = RC_TYPE_OTHER;
+ int err = -ENOMEM;
+ u32 hardware_mask = 0; /* For devices with a hardware mask, when
+ * used with a full-code IR table
+ */
+
+ ir = kzalloc(sizeof(*ir), GFP_KERNEL);
+ dev = rc_allocate_device();
+ if (!ir || !dev)
+ goto err_out_free;
+
+ ir->dev = dev;
+
+ /* detect & configure */
+ switch (core->boardnr) {
+ case CX88_BOARD_DNTV_LIVE_DVB_T:
+ case CX88_BOARD_KWORLD_DVB_T:
+ case CX88_BOARD_KWORLD_DVB_T_CX22702:
+ ir_codes = RC_MAP_DNTV_LIVE_DVB_T;
+ ir->gpio_addr = MO_GP1_IO;
+ ir->mask_keycode = 0x1f;
+ ir->mask_keyup = 0x60;
+ ir->polling = 50; /* ms */
+ break;
+ case CX88_BOARD_TERRATEC_CINERGY_1400_DVB_T1:
+ ir_codes = RC_MAP_CINERGY_1400;
+ ir->sampling = 0xeb04; /* address */
+ break;
+ case CX88_BOARD_HAUPPAUGE:
+ case CX88_BOARD_HAUPPAUGE_DVB_T1:
+ case CX88_BOARD_HAUPPAUGE_NOVASE2_S1:
+ case CX88_BOARD_HAUPPAUGE_NOVASPLUS_S1:
+ case CX88_BOARD_HAUPPAUGE_HVR1100:
+ case CX88_BOARD_HAUPPAUGE_HVR3000:
+ case CX88_BOARD_HAUPPAUGE_HVR4000:
+ case CX88_BOARD_HAUPPAUGE_HVR4000LITE:
+ case CX88_BOARD_PCHDTV_HD3000:
+ case CX88_BOARD_PCHDTV_HD5500:
+ case CX88_BOARD_HAUPPAUGE_IRONLY:
+ ir_codes = RC_MAP_HAUPPAUGE;
+ ir->sampling = 1;
+ break;
+ case CX88_BOARD_WINFAST_DTV2000H:
+ case CX88_BOARD_WINFAST_DTV2000H_J:
+ case CX88_BOARD_WINFAST_DTV1800H:
+ case CX88_BOARD_WINFAST_DTV1800H_XC4000:
+ case CX88_BOARD_WINFAST_DTV2000H_PLUS:
+ ir_codes = RC_MAP_WINFAST;
+ ir->gpio_addr = MO_GP0_IO;
+ ir->mask_keycode = 0x8f8;
+ ir->mask_keyup = 0x100;
+ ir->polling = 50; /* ms */
+ break;
+ case CX88_BOARD_WINFAST2000XP_EXPERT:
+ case CX88_BOARD_WINFAST_DTV1000:
+ case CX88_BOARD_WINFAST_TV2000_XP_GLOBAL:
+ case CX88_BOARD_WINFAST_TV2000_XP_GLOBAL_6F36:
+ case CX88_BOARD_WINFAST_TV2000_XP_GLOBAL_6F43:
+ ir_codes = RC_MAP_WINFAST;
+ ir->gpio_addr = MO_GP0_IO;
+ ir->mask_keycode = 0x8f8;
+ ir->mask_keyup = 0x100;
+ ir->polling = 1; /* ms */
+ break;
+ case CX88_BOARD_IODATA_GVBCTV7E:
+ ir_codes = RC_MAP_IODATA_BCTV7E;
+ ir->gpio_addr = MO_GP0_IO;
+ ir->mask_keycode = 0xfd;
+ ir->mask_keydown = 0x02;
+ ir->polling = 5; /* ms */
+ break;
+ case CX88_BOARD_PROLINK_PLAYTVPVR:
+ case CX88_BOARD_PIXELVIEW_PLAYTV_ULTRA_PRO:
+ /*
+ * It seems that this hardware is paired with NEC extended
+ * address 0x866b. So, unfortunately, its usage with other
+ * IR's with different address won't work. Still, there are
+ * other IR's from the same manufacturer that works, like the
+ * 002-T mini RC, provided with newer PV hardware
+ */
+ ir_codes = RC_MAP_PIXELVIEW_MK12;
+ ir->gpio_addr = MO_GP1_IO;
+ ir->mask_keyup = 0x80;
+ ir->polling = 10; /* ms */
+ hardware_mask = 0x3f; /* Hardware returns only 6 bits from command part */
+ break;
+ case CX88_BOARD_PROLINK_PV_8000GT:
+ case CX88_BOARD_PROLINK_PV_GLOBAL_XTREME:
+ ir_codes = RC_MAP_PIXELVIEW_NEW;
+ ir->gpio_addr = MO_GP1_IO;
+ ir->mask_keycode = 0x3f;
+ ir->mask_keyup = 0x80;
+ ir->polling = 1; /* ms */
+ break;
+ case CX88_BOARD_KWORLD_LTV883:
+ ir_codes = RC_MAP_PIXELVIEW;
+ ir->gpio_addr = MO_GP1_IO;
+ ir->mask_keycode = 0x1f;
+ ir->mask_keyup = 0x60;
+ ir->polling = 1; /* ms */
+ break;
+ case CX88_BOARD_ADSTECH_DVB_T_PCI:
+ ir_codes = RC_MAP_ADSTECH_DVB_T_PCI;
+ ir->gpio_addr = MO_GP1_IO;
+ ir->mask_keycode = 0xbf;
+ ir->mask_keyup = 0x40;
+ ir->polling = 50; /* ms */
+ break;
+ case CX88_BOARD_MSI_TVANYWHERE_MASTER:
+ ir_codes = RC_MAP_MSI_TVANYWHERE;
+ ir->gpio_addr = MO_GP1_IO;
+ ir->mask_keycode = 0x1f;
+ ir->mask_keyup = 0x40;
+ ir->polling = 1; /* ms */
+ break;
+ case CX88_BOARD_AVERTV_303:
+ case CX88_BOARD_AVERTV_STUDIO_303:
+ ir_codes = RC_MAP_AVERTV_303;
+ ir->gpio_addr = MO_GP2_IO;
+ ir->mask_keycode = 0xfb;
+ ir->mask_keydown = 0x02;
+ ir->polling = 50; /* ms */
+ break;
+ case CX88_BOARD_OMICOM_SS4_PCI:
+ case CX88_BOARD_SATTRADE_ST4200:
+ case CX88_BOARD_TBS_8920:
+ case CX88_BOARD_TBS_8910:
+ case CX88_BOARD_PROF_7300:
+ case CX88_BOARD_PROF_7301:
+ case CX88_BOARD_PROF_6200:
+ ir_codes = RC_MAP_TBS_NEC;
+ ir->sampling = 0xff00; /* address */
+ break;
+ case CX88_BOARD_TEVII_S464:
+ case CX88_BOARD_TEVII_S460:
+ case CX88_BOARD_TEVII_S420:
+ ir_codes = RC_MAP_TEVII_NEC;
+ ir->sampling = 0xff00; /* address */
+ break;
+ case CX88_BOARD_DNTV_LIVE_DVB_T_PRO:
+ ir_codes = RC_MAP_DNTV_LIVE_DVBT_PRO;
+ ir->sampling = 0xff00; /* address */
+ break;
+ case CX88_BOARD_NORWOOD_MICRO:
+ ir_codes = RC_MAP_NORWOOD;
+ ir->gpio_addr = MO_GP1_IO;
+ ir->mask_keycode = 0x0e;
+ ir->mask_keyup = 0x80;
+ ir->polling = 50; /* ms */
+ break;
+ case CX88_BOARD_NPGTECH_REALTV_TOP10FM:
+ ir_codes = RC_MAP_NPGTECH;
+ ir->gpio_addr = MO_GP0_IO;
+ ir->mask_keycode = 0xfa;
+ ir->polling = 50; /* ms */
+ break;
+ case CX88_BOARD_PINNACLE_PCTV_HD_800i:
+ ir_codes = RC_MAP_PINNACLE_PCTV_HD;
+ ir->sampling = 1;
+ break;
+ case CX88_BOARD_POWERCOLOR_REAL_ANGEL:
+ ir_codes = RC_MAP_POWERCOLOR_REAL_ANGEL;
+ ir->gpio_addr = MO_GP2_IO;
+ ir->mask_keycode = 0x7e;
+ ir->polling = 100; /* ms */
+ break;
+ case CX88_BOARD_TWINHAN_VP1027_DVBS:
+ ir_codes = RC_MAP_TWINHAN_VP1027_DVBS;
+ rc_type = RC_TYPE_NEC;
+ ir->sampling = 0xff00; /* address */
+ break;
+ }
+
+ if (!ir_codes) {
+ err = -ENODEV;
+ goto err_out_free;
+ }
+
+ /*
+ * The usage of mask_keycode were very convenient, due to several
+ * reasons. Among others, the scancode tables were using the scancode
+ * as the index elements. So, the less bits it was used, the smaller
+ * the table were stored. After the input changes, the better is to use
+ * the full scancodes, since it allows replacing the IR remote by
+ * another one. Unfortunately, there are still some hardware, like
+ * Pixelview Ultra Pro, where only part of the scancode is sent via
+ * GPIO. So, there's no way to get the full scancode. Due to that,
+ * hardware_mask were introduced here: it represents those hardware
+ * that has such limits.
+ */
+ if (hardware_mask && !ir->mask_keycode)
+ ir->mask_keycode = hardware_mask;
+
+ /* init input device */
+ snprintf(ir->name, sizeof(ir->name), "cx88 IR (%s)", core->board.name);
+ snprintf(ir->phys, sizeof(ir->phys), "pci-%s/ir0", pci_name(pci));
+
+ dev->input_name = ir->name;
+ dev->input_phys = ir->phys;
+ dev->input_id.bustype = BUS_PCI;
+ dev->input_id.version = 1;
+ if (pci->subsystem_vendor) {
+ dev->input_id.vendor = pci->subsystem_vendor;
+ dev->input_id.product = pci->subsystem_device;
+ } else {
+ dev->input_id.vendor = pci->vendor;
+ dev->input_id.product = pci->device;
+ }
+ dev->dev.parent = &pci->dev;
+ dev->map_name = ir_codes;
+ dev->driver_name = MODULE_NAME;
+ dev->priv = core;
+ dev->open = cx88_ir_open;
+ dev->close = cx88_ir_close;
+ dev->scanmask = hardware_mask;
+
+ if (ir->sampling) {
+ dev->driver_type = RC_DRIVER_IR_RAW;
+ dev->timeout = 10 * 1000 * 1000; /* 10 ms */
+ } else {
+ dev->driver_type = RC_DRIVER_SCANCODE;
+ dev->allowed_protos = rc_type;
+ }
+
+ ir->core = core;
+ core->ir = ir;
+
+ /* all done */
+ err = rc_register_device(dev);
+ if (err)
+ goto err_out_free;
+
+ return 0;
+
+err_out_free:
+ rc_free_device(dev);
+ core->ir = NULL;
+ kfree(ir);
+ return err;
+}
+
+int cx88_ir_fini(struct cx88_core *core)
+{
+ struct cx88_IR *ir = core->ir;
+
+ /* skip detach on non attached boards */
+ if (NULL == ir)
+ return 0;
+
+ cx88_ir_stop(core);
+ rc_unregister_device(ir->dev);
+ kfree(ir);
+
+ /* done */
+ core->ir = NULL;
+ return 0;
+}
+
+/* ---------------------------------------------------------------------- */
+
+void cx88_ir_irq(struct cx88_core *core)
+{
+ struct cx88_IR *ir = core->ir;
+ u32 samples;
+ unsigned todo, bits;
+ struct ir_raw_event ev;
+
+ if (!ir || !ir->sampling)
+ return;
+
+ /*
+ * Samples are stored in a 32 bit register, oldest sample in
+ * the msb. A set bit represents space and an unset bit
+ * represents a pulse.
+ */
+ samples = cx_read(MO_SAMPLE_IO);
+
+ if (samples == 0xff && ir->dev->idle)
+ return;
+
+ init_ir_raw_event(&ev);
+ for (todo = 32; todo > 0; todo -= bits) {
+ ev.pulse = samples & 0x80000000 ? false : true;
+ bits = min(todo, 32U - fls(ev.pulse ? samples : ~samples));
+ ev.duration = (bits * (NSEC_PER_SEC / 1000)) / ir_samplerate;
+ ir_raw_event_store_with_filter(ir->dev, &ev);
+ samples <<= bits;
+ }
+ ir_raw_event_handle(ir->dev);
+}
+
+static int get_key_pvr2000(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw)
+{
+ int flags, code;
+
+ /* poll IR chip */
+ flags = i2c_smbus_read_byte_data(ir->c, 0x10);
+ if (flags < 0) {
+ dprintk("read error\n");
+ return 0;
+ }
+ /* key pressed ? */
+ if (0 == (flags & 0x80))
+ return 0;
+
+ /* read actual key code */
+ code = i2c_smbus_read_byte_data(ir->c, 0x00);
+ if (code < 0) {
+ dprintk("read error\n");
+ return 0;
+ }
+
+ dprintk("IR Key/Flags: (0x%02x/0x%02x)\n",
+ code & 0xff, flags & 0xff);
+
+ *ir_key = code & 0xff;
+ *ir_raw = code;
+ return 1;
+}
+
+void cx88_i2c_init_ir(struct cx88_core *core)
+{
+ struct i2c_board_info info;
+ const unsigned short default_addr_list[] = {
+ 0x18, 0x6b, 0x71,
+ I2C_CLIENT_END
+ };
+ const unsigned short pvr2000_addr_list[] = {
+ 0x18, 0x1a,
+ I2C_CLIENT_END
+ };
+ const unsigned short *addr_list = default_addr_list;
+ const unsigned short *addrp;
+ /* Instantiate the IR receiver device, if present */
+ if (0 != core->i2c_rc)
+ return;
+
+ memset(&info, 0, sizeof(struct i2c_board_info));
+ strlcpy(info.type, "ir_video", I2C_NAME_SIZE);
+
+ switch (core->boardnr) {
+ case CX88_BOARD_LEADTEK_PVR2000:
+ addr_list = pvr2000_addr_list;
+ core->init_data.name = "cx88 Leadtek PVR 2000 remote";
+ core->init_data.type = RC_TYPE_UNKNOWN;
+ core->init_data.get_key = get_key_pvr2000;
+ core->init_data.ir_codes = RC_MAP_EMPTY;
+ break;
+ }
+
+ /*
+ * We can't call i2c_new_probed_device() because it uses
+ * quick writes for probing and at least some RC receiver
+ * devices only reply to reads.
+ * Also, Hauppauge XVR needs to be specified, as address 0x71
+ * conflicts with another remote type used with saa7134
+ */
+ for (addrp = addr_list; *addrp != I2C_CLIENT_END; addrp++) {
+ info.platform_data = NULL;
+ memset(&core->init_data, 0, sizeof(core->init_data));
+
+ if (*addrp == 0x71) {
+ /* Hauppauge XVR */
+ core->init_data.name = "cx88 Hauppauge XVR remote";
+ core->init_data.ir_codes = RC_MAP_HAUPPAUGE;
+ core->init_data.type = RC_TYPE_RC5;
+ core->init_data.internal_get_key_func = IR_KBD_GET_KEY_HAUP_XVR;
+
+ info.platform_data = &core->init_data;
+ }
+ if (i2c_smbus_xfer(&core->i2c_adap, *addrp, 0,
+ I2C_SMBUS_READ, 0,
+ I2C_SMBUS_QUICK, NULL) >= 0) {
+ info.addr = *addrp;
+ i2c_new_device(&core->i2c_adap, &info);
+ break;
+ }
+ }
+}
+
+/* ---------------------------------------------------------------------- */
+
+MODULE_AUTHOR("Gerd Knorr, Pavel Machek, Chris Pascoe");
+MODULE_DESCRIPTION("input driver for cx88 GPIO-based IR remote controls");
+MODULE_LICENSE("GPL");
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