diff options
Diffstat (limited to 'sound/i2c/tea6330t.c')
| -rw-r--r-- | sound/i2c/tea6330t.c | 50 |
1 files changed, 20 insertions, 30 deletions
diff --git a/sound/i2c/tea6330t.c b/sound/i2c/tea6330t.c index 239c4822427f..676d58054944 100644 --- a/sound/i2c/tea6330t.c +++ b/sound/i2c/tea6330t.c @@ -1,23 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * Routines for control of the TEA6330T circuit via i2c bus * Sound fader control circuit for car radios by Philips Semiconductors * Copyright (c) by Jaroslav Kysela <perex@perex.cz> - * - * - * 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> @@ -71,9 +56,6 @@ int snd_tea6330t_detect(struct snd_i2c_bus *bus, int equalizer) static void snd_tea6330t_set(struct tea6330t *tea, unsigned char addr, unsigned char value) { -#if 0 - printk(KERN_DEBUG "set - 0x%x/0x%x\n", addr, value); -#endif snd_i2c_write(tea->bus, TEA6330T_ADDR, addr, value, 1); } #endif @@ -130,7 +112,8 @@ static int snd_tea6330t_put_master_volume(struct snd_kcontrol *kcontrol, bytes[count++] = tea->regs[TEA6330T_SADDR_VOLUME_RIGHT] = tea->mright; } if (count > 0) { - if ((err = snd_i2c_sendbytes(tea->device, bytes, count)) < 0) + err = snd_i2c_sendbytes(tea->device, bytes, count); + if (err < 0) change = err; } snd_i2c_unlock(tea->bus); @@ -175,7 +158,8 @@ static int snd_tea6330t_put_master_switch(struct snd_kcontrol *kcontrol, bytes[0] = TEA6330T_SADDR_VOLUME_LEFT; bytes[1] = tea->regs[TEA6330T_SADDR_VOLUME_LEFT]; bytes[2] = tea->regs[TEA6330T_SADDR_VOLUME_RIGHT]; - if ((err = snd_i2c_sendbytes(tea->device, bytes, 3)) < 0) + err = snd_i2c_sendbytes(tea->device, bytes, 3); + if (err < 0) change = err; snd_i2c_unlock(tea->bus); return change; @@ -222,7 +206,8 @@ static int snd_tea6330t_put_bass(struct snd_kcontrol *kcontrol, change = tea->regs[TEA6330T_SADDR_BASS] != val1; bytes[0] = TEA6330T_SADDR_BASS; bytes[1] = tea->regs[TEA6330T_SADDR_BASS] = val1; - if ((err = snd_i2c_sendbytes(tea->device, bytes, 2)) < 0) + err = snd_i2c_sendbytes(tea->device, bytes, 2); + if (err < 0) change = err; snd_i2c_unlock(tea->bus); return change; @@ -269,13 +254,14 @@ static int snd_tea6330t_put_treble(struct snd_kcontrol *kcontrol, change = tea->regs[TEA6330T_SADDR_TREBLE] != val1; bytes[0] = TEA6330T_SADDR_TREBLE; bytes[1] = tea->regs[TEA6330T_SADDR_TREBLE] = val1; - if ((err = snd_i2c_sendbytes(tea->device, bytes, 2)) < 0) + err = snd_i2c_sendbytes(tea->device, bytes, 2); + if (err < 0) change = err; snd_i2c_unlock(tea->bus); return change; } -static struct snd_kcontrol_new snd_tea6330t_controls[] = { +static const struct snd_kcontrol_new snd_tea6330t_controls[] = { TEA6330T_MASTER_SWITCH("Master Playback Switch", 0), TEA6330T_MASTER_VOLUME("Master Playback Volume", 0), TEA6330T_BASS("Tone Control - Bass", 0), @@ -293,16 +279,17 @@ int snd_tea6330t_update_mixer(struct snd_card *card, { struct snd_i2c_device *device; struct tea6330t *tea; - struct snd_kcontrol_new *knew; + const struct snd_kcontrol_new *knew; unsigned int idx; - int err = -ENOMEM; + int err; u8 default_treble, default_bass; unsigned char bytes[7]; tea = kzalloc(sizeof(*tea), GFP_KERNEL); if (tea == NULL) return -ENOMEM; - if ((err = snd_i2c_device_create(bus, "TEA6330T", TEA6330T_ADDR, &device)) < 0) { + err = snd_i2c_device_create(bus, "TEA6330T", TEA6330T_ADDR, &device); + if (err < 0) { kfree(tea); return err; } @@ -342,18 +329,21 @@ int snd_tea6330t_update_mixer(struct snd_card *card, bytes[0] = TEA6330T_SADDR_VOLUME_LEFT; for (idx = 0; idx < 6; idx++) bytes[idx+1] = tea->regs[idx]; - if ((err = snd_i2c_sendbytes(device, bytes, 7)) < 0) + err = snd_i2c_sendbytes(device, bytes, 7); + if (err < 0) goto __error; strcat(card->mixername, ",TEA6330T"); - if ((err = snd_component_add(card, "TEA6330T")) < 0) + err = snd_component_add(card, "TEA6330T"); + if (err < 0) goto __error; for (idx = 0; idx < ARRAY_SIZE(snd_tea6330t_controls); idx++) { knew = &snd_tea6330t_controls[idx]; if (tea->treble == 0 && !strcmp(knew->name, "Tone Control - Treble")) continue; - if ((err = snd_ctl_add(card, snd_ctl_new1(knew, tea))) < 0) + err = snd_ctl_add(card, snd_ctl_new1(knew, tea)); + if (err < 0) goto __error; } |