cregit-Linux how code gets into the kernel

Release 4.7 drivers/hid/hid-petalynx.c

Directory: drivers/hid
/*
 *  HID driver for some petalynx "special" devices
 *
 *  Copyright (c) 1999 Andreas Gal
 *  Copyright (c) 2000-2005 Vojtech Pavlik <vojtech@suse.cz>
 *  Copyright (c) 2005 Michael Haboustak <mike-@cinci.rr.com> for Concept2, Inc
 *  Copyright (c) 2006-2007 Jiri Kosina
 *  Copyright (c) 2008 Jiri Slaby
 */

/*
 * 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.
 */

#include <linux/device.h>
#include <linux/hid.h>
#include <linux/module.h>

#include "hid-ids.h"

/* Petalynx Maxter Remote has maximum for consumer page set too low */

static __u8 *pl_report_fixup(struct hid_device *hdev, __u8 *rdesc, unsigned int *rsize) { if (*rsize >= 62 && rdesc[39] == 0x2a && rdesc[40] == 0xf5 && rdesc[41] == 0x00 && rdesc[59] == 0x26 && rdesc[60] == 0xf9 && rdesc[61] == 0x00) { hid_info(hdev, "fixing up Petalynx Maxter Remote report descriptor\n"); rdesc[60] = 0xfa; rdesc[40] = 0xfa; } return rdesc; }

Contributors

PersonTokensPropCommitsCommitProp
jiri slabyjiri slaby8689.58%125.00%
nikolai kondrashovnikolai kondrashov77.29%125.00%
joe perchesjoe perches22.08%125.00%
jiri kosinajiri kosina11.04%125.00%
Total96100.00%4100.00%

#define pl_map_key_clear(c) hid_map_usage_clear(hi, usage, bit, max, \ EV_KEY, (c))
static int pl_input_mapping(struct hid_device *hdev, struct hid_input *hi, struct hid_field *field, struct hid_usage *usage, unsigned long **bit, int *max) { if ((usage->hid & HID_USAGE_PAGE) == HID_UP_LOGIVENDOR) { switch (usage->hid & HID_USAGE) { case 0x05a: pl_map_key_clear(KEY_TEXT); break; case 0x05b: pl_map_key_clear(KEY_RED); break; case 0x05c: pl_map_key_clear(KEY_GREEN); break; case 0x05d: pl_map_key_clear(KEY_YELLOW); break; case 0x05e: pl_map_key_clear(KEY_BLUE); break; default: return 0; } return 1; } if ((usage->hid & HID_USAGE_PAGE) == HID_UP_CONSUMER) { switch (usage->hid & HID_USAGE) { case 0x0f6: pl_map_key_clear(KEY_NEXT); break; case 0x0fa: pl_map_key_clear(KEY_BACK); break; default: return 0; } return 1; } return 0; }

Contributors

PersonTokensPropCommitsCommitProp
jiri slabyjiri slaby164100.00%1100.00%
Total164100.00%1100.00%


static int pl_probe(struct hid_device *hdev, const struct hid_device_id *id) { int ret; hdev->quirks |= HID_QUIRK_NOGET; ret = hid_parse(hdev); if (ret) { hid_err(hdev, "parse failed\n"); goto err_free; } ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT); if (ret) { hid_err(hdev, "hw start failed\n"); goto err_free; } return 0; err_free: return ret; }

Contributors

PersonTokensPropCommitsCommitProp
jiri slabyjiri slaby8097.56%266.67%
joe perchesjoe perches22.44%133.33%
Total82100.00%3100.00%

static const struct hid_device_id pl_devices[] = { { HID_USB_DEVICE(USB_VENDOR_ID_PETALYNX, USB_DEVICE_ID_PETALYNX_MAXTER_REMOTE) }, { } }; MODULE_DEVICE_TABLE(hid, pl_devices); static struct hid_driver pl_driver = { .name = "petalynx", .id_table = pl_devices, .report_fixup = pl_report_fixup, .input_mapping = pl_input_mapping, .probe = pl_probe, }; module_hid_driver(pl_driver); MODULE_LICENSE("GPL");

Overall Contributors

PersonTokensPropCommitsCommitProp
jiri slabyjiri slaby41896.54%228.57%
nikolai kondrashovnikolai kondrashov71.62%114.29%
joe perchesjoe perches40.92%114.29%
jiri kosinajiri kosina20.46%228.57%
h hartley sweetenh hartley sweeten20.46%114.29%
Total433100.00%7100.00%
Directory: drivers/hid
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