diff options
Diffstat (limited to 'sound/pci/ice1712/wtm.c')
| -rw-r--r-- | sound/pci/ice1712/wtm.c | 30 |
1 files changed, 7 insertions, 23 deletions
diff --git a/sound/pci/ice1712/wtm.c b/sound/pci/ice1712/wtm.c index 9906119e0954..57a79536e7ba 100644 --- a/sound/pci/ice1712/wtm.c +++ b/sound/pci/ice1712/wtm.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * ALSA driver for ICEnsemble VT1724 (Envy24HT) * @@ -6,21 +7,6 @@ * Copyright (c) 2006 Guedez Clement <klem.dev@gmail.com> * Some functions are taken from the Prodigy192 driver * source - * - * 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 - * */ @@ -132,7 +118,7 @@ static int stac9460_dac_mute_get(struct snd_kcontrol *kcontrol, unsigned char val; int idx, id; - mutex_lock(&spec->mute_mutex); + guard(mutex)(&spec->mute_mutex); if (kcontrol->private_value) { idx = STAC946X_MASTER_VOLUME; @@ -147,7 +133,6 @@ static int stac9460_dac_mute_get(struct snd_kcontrol *kcontrol, val = stac9460_2_get(ice, idx - 6); ucontrol->value.integer.value[0] = (~val >> 7) & 0x1; - mutex_unlock(&spec->mute_mutex); return 0; } @@ -469,7 +454,7 @@ static void stac9460_set_rate_val(struct snd_ice1712 *ice, unsigned int rate) return; /* change detected, setting master clock, muting first */ /* due to possible conflicts with mute controls - mutexing */ - mutex_lock(&spec->mute_mutex); + guard(mutex)(&spec->mute_mutex); /* we have to remember current mute status for each DAC */ changed = 0xFFFF; stac9460_dac_mute_all(ice, 0, &changed); @@ -480,7 +465,6 @@ static void stac9460_set_rate_val(struct snd_ice1712 *ice, unsigned int rate) /* unmuting - only originally unmuted dacs - * i.e. those changed when muting */ stac9460_dac_mute_all(ice, 1, &changed); - mutex_unlock(&spec->mute_mutex); } @@ -491,7 +475,7 @@ static const DECLARE_TLV_DB_SCALE(db_scale_adc, 0, 150, 0); /* * Control tabs */ -static struct snd_kcontrol_new stac9640_controls[] = { +static const struct snd_kcontrol_new stac9640_controls[] = { { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .access = (SNDRV_CTL_ELEM_ACCESS_READWRITE | @@ -581,12 +565,12 @@ static int wtm_add_controls(struct snd_ice1712 *ice) static int wtm_init(struct snd_ice1712 *ice) { - static unsigned short stac_inits_wtm[] = { + static const unsigned short stac_inits_wtm[] = { STAC946X_RESET, 0, STAC946X_MASTER_CLOCKING, 0x11, (unsigned short)-1 }; - unsigned short *p; + const unsigned short *p; struct wtm_spec *spec; /*WTM 192M*/ @@ -613,7 +597,7 @@ static int wtm_init(struct snd_ice1712 *ice) } -static unsigned char wtm_eeprom[] = { +static const unsigned char wtm_eeprom[] = { [ICE_EEP2_SYSCONF] = 0x67, /*SYSCONF: clock 192KHz, mpu401, 4ADC, 8DAC */ [ICE_EEP2_ACLINK] = 0x80, /* ACLINK : I2S */ |