diff options
Diffstat (limited to 'sound/pci/ice1712/maya44.c')
| -rw-r--r-- | sound/pci/ice1712/maya44.c | 46 |
1 files changed, 13 insertions, 33 deletions
diff --git a/sound/pci/ice1712/maya44.c b/sound/pci/ice1712/maya44.c index 0e30419f6bbd..551f478c59c4 100644 --- a/sound/pci/ice1712/maya44.c +++ b/sound/pci/ice1712/maya44.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * ALSA driver for ICEnsemble VT1724 (Envy24HT) * @@ -5,21 +6,6 @@ * * Copyright (c) 2009 Takashi Iwai <tiwai@suse.de> * Based on the patches by Rainer Zimmermann <mail@lightshed.de> - * - * 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> @@ -130,7 +116,7 @@ struct maya_vol_info { unsigned char mux_bits[2]; /* extra bits for ADC mute */ }; -static struct maya_vol_info vol_info[WM_NUM_VOLS] = { +static const struct maya_vol_info vol_info[WM_NUM_VOLS] = { [WM_VOL_HP] = { .maxval = 80, .regs = { WM8776_REG_HEADPHONE_L, WM8776_REG_HEADPHONE_R }, @@ -172,7 +158,7 @@ static int maya_vol_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) { unsigned int idx = kcontrol->private_value; - struct maya_vol_info *vol = &vol_info[idx]; + const struct maya_vol_info *vol = &vol_info[idx]; uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; uinfo->count = 2; @@ -189,10 +175,9 @@ static int maya_vol_get(struct snd_kcontrol *kcontrol, &chip->wm[snd_ctl_get_ioff(kcontrol, &ucontrol->id)]; unsigned int idx = kcontrol->private_value; - mutex_lock(&chip->mutex); + guard(mutex)(&chip->mutex); ucontrol->value.integer.value[0] = wm->volumes[idx][0]; ucontrol->value.integer.value[1] = wm->volumes[idx][1]; - mutex_unlock(&chip->mutex); return 0; } @@ -203,11 +188,11 @@ static int maya_vol_put(struct snd_kcontrol *kcontrol, struct snd_wm8776 *wm = &chip->wm[snd_ctl_get_ioff(kcontrol, &ucontrol->id)]; unsigned int idx = kcontrol->private_value; - struct maya_vol_info *vol = &vol_info[idx]; + const struct maya_vol_info *vol = &vol_info[idx]; unsigned int val, data; int ch, changed = 0; - mutex_lock(&chip->mutex); + guard(mutex)(&chip->mutex); for (ch = 0; ch < 2; ch++) { val = ucontrol->value.integer.value[ch]; if (val > vol->maxval) @@ -227,7 +212,6 @@ static int maya_vol_put(struct snd_kcontrol *kcontrol, val ? 0 : vol->mux_bits[ch]); wm->volumes[idx][ch] = val; } - mutex_unlock(&chip->mutex); return changed; } @@ -264,7 +248,7 @@ static int maya_sw_put(struct snd_kcontrol *kcontrol, unsigned int mask, val; int changed; - mutex_lock(&chip->mutex); + guard(mutex)(&chip->mutex); mask = 1 << idx; wm->switch_bits &= ~mask; val = ucontrol->value.integer.value[0]; @@ -274,7 +258,6 @@ static int maya_sw_put(struct snd_kcontrol *kcontrol, changed = wm8776_write_bits(chip->ice, wm, GET_SW_VAL_REG(kcontrol->private_value), mask, val ? mask : 0); - mutex_unlock(&chip->mutex); return changed; } @@ -329,14 +312,13 @@ static int maya_gpio_sw_put(struct snd_kcontrol *kcontrol, unsigned int val, mask; int changed; - mutex_lock(&chip->mutex); + guard(mutex)(&chip->mutex); mask = 1 << shift; val = ucontrol->value.integer.value[0]; if (GET_GPIO_VAL_INV(kcontrol->private_value)) val = !val; val = val ? mask : 0; changed = maya_set_gpio_bits(chip->ice, mask, val); - mutex_unlock(&chip->mutex); return changed; } @@ -383,11 +365,10 @@ static int maya_rec_src_put(struct snd_kcontrol *kcontrol, int sel = ucontrol->value.enumerated.item[0]; int changed; - mutex_lock(&chip->mutex); + guard(mutex)(&chip->mutex); changed = maya_set_gpio_bits(chip->ice, 1 << GPIO_MIC_RELAY, sel ? (1 << GPIO_MIC_RELAY) : 0); wm8776_select_input(chip, 0, sel ? MAYA_MIC_IN : MAYA_LINE_IN); - mutex_unlock(&chip->mutex); return changed; } @@ -438,7 +419,7 @@ static int maya_pb_route_put(struct snd_kcontrol *kcontrol, * controls to be added */ -static struct snd_kcontrol_new maya_controls[] = { +static const struct snd_kcontrol_new maya_controls[] = { { .name = "Crossmix Playback Volume", .iface = SNDRV_CTL_ELEM_IFACE_MIXER, @@ -649,12 +630,11 @@ static void set_rate(struct snd_ice1712 *ice, unsigned int rate) val |= 8; val |= ratio << 4; - mutex_lock(&chip->mutex); + guard(mutex)(&chip->mutex); for (i = 0; i < 2; i++) wm8776_write_bits(ice, &chip->wm[i], WM8776_REG_MASTER_MODE_CONTROL, 0x180, val); - mutex_unlock(&chip->mutex); } /* @@ -676,7 +656,7 @@ static const struct snd_pcm_hw_constraint_list dac_rates = { /* * chip addresses on I2C bus */ -static unsigned char wm8776_addr[2] = { +static const unsigned char wm8776_addr[2] = { 0x34, 0x36, /* codec 0 & 1 */ }; @@ -726,7 +706,7 @@ static int maya44_init(struct snd_ice1712 *ice) * hence the driver needs to sets up it properly. */ -static unsigned char maya44_eeprom[] = { +static const unsigned char maya44_eeprom[] = { [ICE_EEP2_SYSCONF] = 0x45, /* clock xin1=49.152MHz, mpu401, 2 stereo ADCs+DACs */ [ICE_EEP2_ACLINK] = 0x80, |