diff options
Diffstat (limited to 'drivers/input/joystick/iforce/iforce-ff.c')
| -rw-r--r-- | drivers/input/joystick/iforce/iforce-ff.c | 83 |
1 files changed, 32 insertions, 51 deletions
diff --git a/drivers/input/joystick/iforce/iforce-ff.c b/drivers/input/joystick/iforce/iforce-ff.c index 3536d5f5ad18..8c78cbe553c8 100644 --- a/drivers/input/joystick/iforce/iforce-ff.c +++ b/drivers/input/joystick/iforce/iforce-ff.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * Copyright (c) 2000-2002 Vojtech Pavlik <vojtech@ucw.cz> * Copyright (c) 2001-2002, 2007 Johann Deneux <johann.deneux@gmail.com> @@ -5,22 +6,6 @@ * USB/RS232 I-Force joysticks and wheels. */ -/* - * 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 "iforce.h" /* @@ -36,14 +21,13 @@ static int make_magnitude_modifier(struct iforce* iforce, unsigned char data[3]; if (!no_alloc) { - mutex_lock(&iforce->mem_mutex); - if (allocate_resource(&(iforce->device_memory), mod_chunk, 2, - iforce->device_memory.start, iforce->device_memory.end, 2L, - NULL, NULL)) { - mutex_unlock(&iforce->mem_mutex); + guard(mutex)(&iforce->mem_mutex); + + if (allocate_resource(&iforce->device_memory, mod_chunk, 2, + iforce->device_memory.start, + iforce->device_memory.end, + 2L, NULL, NULL)) return -ENOSPC; - } - mutex_unlock(&iforce->mem_mutex); } data[0] = LO(mod_chunk->start); @@ -69,14 +53,13 @@ static int make_period_modifier(struct iforce* iforce, period = TIME_SCALE(period); if (!no_alloc) { - mutex_lock(&iforce->mem_mutex); - if (allocate_resource(&(iforce->device_memory), mod_chunk, 0x0c, - iforce->device_memory.start, iforce->device_memory.end, 2L, - NULL, NULL)) { - mutex_unlock(&iforce->mem_mutex); + guard(mutex)(&iforce->mem_mutex); + + if (allocate_resource(&iforce->device_memory, mod_chunk, 0x0c, + iforce->device_memory.start, + iforce->device_memory.end, + 2L, NULL, NULL)) return -ENOSPC; - } - mutex_unlock(&iforce->mem_mutex); } data[0] = LO(mod_chunk->start); @@ -109,14 +92,13 @@ static int make_envelope_modifier(struct iforce* iforce, fade_duration = TIME_SCALE(fade_duration); if (!no_alloc) { - mutex_lock(&iforce->mem_mutex); + guard(mutex)(&iforce->mem_mutex); + if (allocate_resource(&(iforce->device_memory), mod_chunk, 0x0e, - iforce->device_memory.start, iforce->device_memory.end, 2L, - NULL, NULL)) { - mutex_unlock(&iforce->mem_mutex); + iforce->device_memory.start, + iforce->device_memory.end, + 2L, NULL, NULL)) return -ENOSPC; - } - mutex_unlock(&iforce->mem_mutex); } data[0] = LO(mod_chunk->start); @@ -146,14 +128,13 @@ static int make_condition_modifier(struct iforce* iforce, unsigned char data[10]; if (!no_alloc) { - mutex_lock(&iforce->mem_mutex); + guard(mutex)(&iforce->mem_mutex); + if (allocate_resource(&(iforce->device_memory), mod_chunk, 8, - iforce->device_memory.start, iforce->device_memory.end, 2L, - NULL, NULL)) { - mutex_unlock(&iforce->mem_mutex); + iforce->device_memory.start, + iforce->device_memory.end, + 2L, NULL, NULL)) return -ENOSPC; - } - mutex_unlock(&iforce->mem_mutex); } data[0] = LO(mod_chunk->start); @@ -384,12 +365,12 @@ int iforce_upload_periodic(struct iforce *iforce, struct ff_effect *effect, stru } switch (effect->u.periodic.waveform) { - case FF_SQUARE: wave_code = 0x20; break; - case FF_TRIANGLE: wave_code = 0x21; break; - case FF_SINE: wave_code = 0x22; break; - case FF_SAW_UP: wave_code = 0x23; break; - case FF_SAW_DOWN: wave_code = 0x24; break; - default: wave_code = 0x20; break; + case FF_SQUARE: wave_code = 0x20; break; + case FF_TRIANGLE: wave_code = 0x21; break; + case FF_SINE: wave_code = 0x22; break; + case FF_SAW_UP: wave_code = 0x23; break; + case FF_SAW_DOWN: wave_code = 0x24; break; + default: wave_code = 0x20; break; } if (!old || need_core(old, effect)) { @@ -488,9 +469,9 @@ int iforce_upload_condition(struct iforce *iforce, struct ff_effect *effect, str int core_err = 0; switch (effect->type) { - case FF_SPRING: type = 0x40; break; - case FF_DAMPER: type = 0x41; break; - default: return -1; + case FF_SPRING: type = 0x40; break; + case FF_DAMPER: type = 0x41; break; + default: return -1; } if (!old || need_condition_modifier(iforce, old, effect)) { |