From 1f93a7dfd1f8d5ff7a5c53246c7534fe2332d6f4 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Mon, 11 Dec 2023 02:46:07 +0000
Subject: [PATCH] add audio
---
kernel/sound/pci/emu10k1/emufx.c | 214 ++++++++++++++++++++++++++++-------------------------
1 files changed, 112 insertions(+), 102 deletions(-)
diff --git a/kernel/sound/pci/emu10k1/emufx.c b/kernel/sound/pci/emu10k1/emufx.c
index 1f25e6d..4e76ed0 100644
--- a/kernel/sound/pci/emu10k1/emufx.c
+++ b/kernel/sound/pci/emu10k1/emufx.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Copyright (c) by Jaroslav Kysela <perex@perex.cz>
* Creative Labs, Inc.
@@ -11,21 +12,6 @@
*
* TODO:
* --
- *
- * 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/pci.h>
@@ -60,7 +46,7 @@
* Tables
*/
-static char *fxbuses[16] = {
+static const char * const fxbuses[16] = {
/* 0x00 */ "PCM Left",
/* 0x01 */ "PCM Right",
/* 0x02 */ "PCM Surround Left",
@@ -79,7 +65,7 @@
/* 0x0f */ NULL
};
-static char *creative_ins[16] = {
+static const char * const creative_ins[16] = {
/* 0x00 */ "AC97 Left",
/* 0x01 */ "AC97 Right",
/* 0x02 */ "TTL IEC958 Left",
@@ -98,7 +84,7 @@
/* 0x0f */ NULL
};
-static char *audigy_ins[16] = {
+static const char * const audigy_ins[16] = {
/* 0x00 */ "AC97 Left",
/* 0x01 */ "AC97 Right",
/* 0x02 */ "Audigy CD Left",
@@ -117,7 +103,7 @@
/* 0x0f */ NULL
};
-static char *creative_outs[32] = {
+static const char * const creative_outs[32] = {
/* 0x00 */ "AC97 Left",
/* 0x01 */ "AC97 Right",
/* 0x02 */ "Optical IEC958 Left",
@@ -152,7 +138,7 @@
/* 0x1f */ NULL,
};
-static char *audigy_outs[32] = {
+static const char * const audigy_outs[32] = {
/* 0x00 */ "Digital Front Left",
/* 0x01 */ "Digital Front Right",
/* 0x02 */ "Digital Center",
@@ -477,7 +463,7 @@
u_int32_t *code;
if (snd_BUG_ON(*ptr >= 512))
return;
- code = (u_int32_t __force *)icode->code + (*ptr) * 2;
+ code = icode->code + (*ptr) * 2;
set_bit(*ptr, icode->code_valid);
code[0] = ((x & 0x3ff) << 10) | (y & 0x3ff);
code[1] = ((op & 0x0f) << 20) | ((r & 0x3ff) << 10) | (a & 0x3ff);
@@ -494,7 +480,7 @@
u_int32_t *code;
if (snd_BUG_ON(*ptr >= 1024))
return;
- code = (u_int32_t __force *)icode->code + (*ptr) * 2;
+ code = icode->code + (*ptr) * 2;
set_bit(*ptr, icode->code_valid);
code[0] = ((x & 0x7ff) << 12) | (y & 0x7ff);
code[1] = ((op & 0x0f) << 24) | ((r & 0x7ff) << 12) | (a & 0x7ff);
@@ -527,8 +513,8 @@
if (!test_bit(gpr, icode->gpr_valid))
continue;
if (in_kernel)
- val = *(__force u32 *)&icode->gpr_map[gpr];
- else if (get_user(val, &icode->gpr_map[gpr]))
+ val = icode->gpr_map[gpr];
+ else if (get_user(val, (__user u32 *)&icode->gpr_map[gpr]))
return -EFAULT;
snd_emu10k1_ptr_write(emu, emu->gpr_base + gpr, 0, val);
}
@@ -544,7 +530,7 @@
for (gpr = 0; gpr < (emu->audigy ? 0x200 : 0x100); gpr++) {
set_bit(gpr, icode->gpr_valid);
val = snd_emu10k1_ptr_read(emu, emu->gpr_base + gpr, 0);
- if (put_user(val, &icode->gpr_map[gpr]))
+ if (put_user(val, (__user u32 *)&icode->gpr_map[gpr]))
return -EFAULT;
}
return 0;
@@ -561,11 +547,11 @@
if (!test_bit(tram, icode->tram_valid))
continue;
if (in_kernel) {
- val = *(__force u32 *)&icode->tram_data_map[tram];
- addr = *(__force u32 *)&icode->tram_addr_map[tram];
+ val = icode->tram_data_map[tram];
+ addr = icode->tram_addr_map[tram];
} else {
- if (get_user(val, &icode->tram_data_map[tram]) ||
- get_user(addr, &icode->tram_addr_map[tram]))
+ if (get_user(val, (__user __u32 *)&icode->tram_data_map[tram]) ||
+ get_user(addr, (__user __u32 *)&icode->tram_addr_map[tram]))
return -EFAULT;
}
snd_emu10k1_ptr_write(emu, TANKMEMDATAREGBASE + tram, 0, val);
@@ -595,8 +581,8 @@
addr = snd_emu10k1_ptr_read(emu, TANKMEMADDRREGBASE + tram, 0) >> 12;
addr |= snd_emu10k1_ptr_read(emu, A_TANKMEMCTLREGBASE + tram, 0) << 20;
}
- if (put_user(val, &icode->tram_data_map[tram]) ||
- put_user(addr, &icode->tram_addr_map[tram]))
+ if (put_user(val, (__user u32 *)&icode->tram_data_map[tram]) ||
+ put_user(addr, (__user u32 *)&icode->tram_addr_map[tram]))
return -EFAULT;
}
return 0;
@@ -612,11 +598,11 @@
if (!test_bit(pc / 2, icode->code_valid))
continue;
if (in_kernel) {
- lo = *(__force u32 *)&icode->code[pc + 0];
- hi = *(__force u32 *)&icode->code[pc + 1];
+ lo = icode->code[pc + 0];
+ hi = icode->code[pc + 1];
} else {
- if (get_user(lo, &icode->code[pc + 0]) ||
- get_user(hi, &icode->code[pc + 1]))
+ if (get_user(lo, (__user u32 *)&icode->code[pc + 0]) ||
+ get_user(hi, (__user u32 *)&icode->code[pc + 1]))
return -EFAULT;
}
snd_emu10k1_efx_write(emu, pc + 0, lo);
@@ -633,17 +619,21 @@
memset(icode->code_valid, 0, sizeof(icode->code_valid));
for (pc = 0; pc < (emu->audigy ? 2*1024 : 2*512); pc += 2) {
set_bit(pc / 2, icode->code_valid);
- if (put_user(snd_emu10k1_efx_read(emu, pc + 0), &icode->code[pc + 0]))
+ if (put_user(snd_emu10k1_efx_read(emu, pc + 0),
+ (__user u32 *)&icode->code[pc + 0]))
return -EFAULT;
- if (put_user(snd_emu10k1_efx_read(emu, pc + 1), &icode->code[pc + 1]))
+ if (put_user(snd_emu10k1_efx_read(emu, pc + 1),
+ (__user u32 *)&icode->code[pc + 1]))
return -EFAULT;
}
return 0;
}
static struct snd_emu10k1_fx8010_ctl *
-snd_emu10k1_look_for_ctl(struct snd_emu10k1 *emu, struct snd_ctl_elem_id *id)
+snd_emu10k1_look_for_ctl(struct snd_emu10k1 *emu,
+ struct emu10k1_ctl_elem_id *_id)
{
+ struct snd_ctl_elem_id *id = (struct snd_ctl_elem_id *)_id;
struct snd_emu10k1_fx8010_ctl *ctl;
struct snd_kcontrol *kcontrol;
@@ -686,41 +676,60 @@
}
static int copy_gctl(struct snd_emu10k1 *emu,
- struct snd_emu10k1_fx8010_control_gpr *gctl,
- struct snd_emu10k1_fx8010_control_gpr __user *_gctl,
+ struct snd_emu10k1_fx8010_control_gpr *dst,
+ struct snd_emu10k1_fx8010_control_gpr *src,
int idx, bool in_kernel)
{
- struct snd_emu10k1_fx8010_control_old_gpr __user *octl;
+ struct snd_emu10k1_fx8010_control_gpr __user *_src;
+ struct snd_emu10k1_fx8010_control_old_gpr *octl;
+ struct snd_emu10k1_fx8010_control_old_gpr __user *_octl;
+ _src = (struct snd_emu10k1_fx8010_control_gpr __user *)src;
if (emu->support_tlv) {
if (in_kernel)
- memcpy(gctl, (__force void *)&_gctl[idx], sizeof(*gctl));
- else if (copy_from_user(gctl, &_gctl[idx], sizeof(*gctl)))
+ *dst = src[idx];
+ else if (copy_from_user(dst, &_src[idx], sizeof(*src)))
return -EFAULT;
return 0;
}
- octl = (struct snd_emu10k1_fx8010_control_old_gpr __user *)_gctl;
+ octl = (struct snd_emu10k1_fx8010_control_old_gpr *)src;
+ _octl = (struct snd_emu10k1_fx8010_control_old_gpr __user *)octl;
if (in_kernel)
- memcpy(gctl, (__force void *)&octl[idx], sizeof(*octl));
- else if (copy_from_user(gctl, &octl[idx], sizeof(*octl)))
+ memcpy(dst, &octl[idx], sizeof(*octl));
+ else if (copy_from_user(dst, &_octl[idx], sizeof(*octl)))
return -EFAULT;
- gctl->tlv = NULL;
+ dst->tlv = NULL;
return 0;
}
static int copy_gctl_to_user(struct snd_emu10k1 *emu,
- struct snd_emu10k1_fx8010_control_gpr __user *_gctl,
- struct snd_emu10k1_fx8010_control_gpr *gctl,
+ struct snd_emu10k1_fx8010_control_gpr *dst,
+ struct snd_emu10k1_fx8010_control_gpr *src,
int idx)
{
+ struct snd_emu10k1_fx8010_control_gpr __user *_dst;
struct snd_emu10k1_fx8010_control_old_gpr __user *octl;
+ _dst = (struct snd_emu10k1_fx8010_control_gpr __user *)dst;
if (emu->support_tlv)
- return copy_to_user(&_gctl[idx], gctl, sizeof(*gctl));
+ return copy_to_user(&_dst[idx], src, sizeof(*src));
- octl = (struct snd_emu10k1_fx8010_control_old_gpr __user *)_gctl;
- return copy_to_user(&octl[idx], gctl, sizeof(*octl));
+ octl = (struct snd_emu10k1_fx8010_control_old_gpr __user *)dst;
+ return copy_to_user(&octl[idx], src, sizeof(*octl));
+}
+
+static int copy_ctl_elem_id(const struct emu10k1_ctl_elem_id *list, int i,
+ struct emu10k1_ctl_elem_id *ret, bool in_kernel)
+{
+ struct emu10k1_ctl_elem_id __user *_id =
+ (struct emu10k1_ctl_elem_id __user *)&list[i];
+
+ if (in_kernel)
+ *ret = list[i];
+ else if (copy_from_user(ret, _id, sizeof(*ret)))
+ return -EFAULT;
+ return 0;
}
static int snd_emu10k1_verify_controls(struct snd_emu10k1 *emu,
@@ -728,17 +737,16 @@
bool in_kernel)
{
unsigned int i;
- struct snd_ctl_elem_id __user *_id;
- struct snd_ctl_elem_id id;
+ struct emu10k1_ctl_elem_id id;
struct snd_emu10k1_fx8010_control_gpr *gctl;
+ struct snd_ctl_elem_id *gctl_id;
int err;
- for (i = 0, _id = icode->gpr_del_controls;
- i < icode->gpr_del_control_count; i++, _id++) {
- if (in_kernel)
- id = *(__force struct snd_ctl_elem_id *)_id;
- else if (copy_from_user(&id, _id, sizeof(id)))
- return -EFAULT;
+ for (i = 0; i < icode->gpr_del_control_count; i++) {
+ err = copy_ctl_elem_id(icode->gpr_del_controls, i, &id,
+ in_kernel);
+ if (err < 0)
+ return err;
if (snd_emu10k1_look_for_ctl(emu, &id) == NULL)
return -ENOENT;
}
@@ -754,15 +762,16 @@
}
if (snd_emu10k1_look_for_ctl(emu, &gctl->id))
continue;
+ gctl_id = (struct snd_ctl_elem_id *)&gctl->id;
down_read(&emu->card->controls_rwsem);
- if (snd_ctl_find_id(emu->card, &gctl->id) != NULL) {
+ if (snd_ctl_find_id(emu->card, gctl_id)) {
up_read(&emu->card->controls_rwsem);
err = -EEXIST;
goto __error;
}
up_read(&emu->card->controls_rwsem);
- if (gctl->id.iface != SNDRV_CTL_ELEM_IFACE_MIXER &&
- gctl->id.iface != SNDRV_CTL_ELEM_IFACE_PCM) {
+ if (gctl_id->iface != SNDRV_CTL_ELEM_IFACE_MIXER &&
+ gctl_id->iface != SNDRV_CTL_ELEM_IFACE_PCM) {
err = -EINVAL;
goto __error;
}
@@ -797,6 +806,7 @@
{
unsigned int i, j;
struct snd_emu10k1_fx8010_control_gpr *gctl;
+ struct snd_ctl_elem_id *gctl_id;
struct snd_emu10k1_fx8010_ctl *ctl, *nctl;
struct snd_kcontrol_new knew;
struct snd_kcontrol *kctl;
@@ -817,24 +827,25 @@
err = -EFAULT;
goto __error;
}
- if (gctl->id.iface != SNDRV_CTL_ELEM_IFACE_MIXER &&
- gctl->id.iface != SNDRV_CTL_ELEM_IFACE_PCM) {
+ gctl_id = (struct snd_ctl_elem_id *)&gctl->id;
+ if (gctl_id->iface != SNDRV_CTL_ELEM_IFACE_MIXER &&
+ gctl_id->iface != SNDRV_CTL_ELEM_IFACE_PCM) {
err = -EINVAL;
goto __error;
}
- if (! gctl->id.name[0]) {
+ if (!*gctl_id->name) {
err = -EINVAL;
goto __error;
}
ctl = snd_emu10k1_look_for_ctl(emu, &gctl->id);
memset(&knew, 0, sizeof(knew));
- knew.iface = gctl->id.iface;
- knew.name = gctl->id.name;
- knew.index = gctl->id.index;
- knew.device = gctl->id.device;
- knew.subdevice = gctl->id.subdevice;
+ knew.iface = gctl_id->iface;
+ knew.name = gctl_id->name;
+ knew.index = gctl_id->index;
+ knew.device = gctl_id->device;
+ knew.subdevice = gctl_id->subdevice;
knew.info = snd_emu10k1_gpr_ctl_info;
- knew.tlv.p = copy_tlv((__force const unsigned int __user *)gctl->tlv, in_kernel);
+ knew.tlv.p = copy_tlv((const unsigned int __user *)gctl->tlv, in_kernel);
if (knew.tlv.p)
knew.access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
SNDRV_CTL_ELEM_ACCESS_TLV_READ;
@@ -890,17 +901,16 @@
bool in_kernel)
{
unsigned int i;
- struct snd_ctl_elem_id id;
- struct snd_ctl_elem_id __user *_id;
+ struct emu10k1_ctl_elem_id id;
struct snd_emu10k1_fx8010_ctl *ctl;
struct snd_card *card = emu->card;
+ int err;
- for (i = 0, _id = icode->gpr_del_controls;
- i < icode->gpr_del_control_count; i++, _id++) {
- if (in_kernel)
- id = *(__force struct snd_ctl_elem_id *)_id;
- else if (copy_from_user(&id, _id, sizeof(id)))
- return -EFAULT;
+ for (i = 0; i < icode->gpr_del_control_count; i++) {
+ err = copy_ctl_elem_id(icode->gpr_del_controls, i, &id,
+ in_kernel);
+ if (err < 0)
+ return err;
down_write(&card->controls_rwsem);
ctl = snd_emu10k1_look_for_ctl(emu, &id);
if (ctl)
@@ -929,7 +939,7 @@
i < icode->gpr_list_control_count) {
memset(gctl, 0, sizeof(*gctl));
id = &ctl->kcontrol->id;
- gctl->id.iface = id->iface;
+ gctl->id.iface = (__force int)id->iface;
strlcpy(gctl->id.name, id->name, sizeof(gctl->id.name));
gctl->id.index = id->index;
gctl->id.device = id->device;
@@ -1107,7 +1117,7 @@
snd_emu10k1_init_mono_control(struct snd_emu10k1_fx8010_control_gpr *ctl,
const char *name, int gpr, int defval)
{
- ctl->id.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
+ ctl->id.iface = (__force int)SNDRV_CTL_ELEM_IFACE_MIXER;
strcpy(ctl->id.name, name);
ctl->vcount = ctl->count = 1;
ctl->gpr[0] = gpr + 0; ctl->value[0] = defval;
@@ -1128,7 +1138,7 @@
snd_emu10k1_init_stereo_control(struct snd_emu10k1_fx8010_control_gpr *ctl,
const char *name, int gpr, int defval)
{
- ctl->id.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
+ ctl->id.iface = (__force int)SNDRV_CTL_ELEM_IFACE_MIXER;
strcpy(ctl->id.name, name);
ctl->vcount = ctl->count = 2;
ctl->gpr[0] = gpr + 0; ctl->value[0] = defval;
@@ -1150,7 +1160,7 @@
snd_emu10k1_init_mono_onoff_control(struct snd_emu10k1_fx8010_control_gpr *ctl,
const char *name, int gpr, int defval)
{
- ctl->id.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
+ ctl->id.iface = (__force int)SNDRV_CTL_ELEM_IFACE_MIXER;
strcpy(ctl->id.name, name);
ctl->vcount = ctl->count = 1;
ctl->gpr[0] = gpr + 0; ctl->value[0] = defval;
@@ -1163,7 +1173,7 @@
snd_emu10k1_init_stereo_onoff_control(struct snd_emu10k1_fx8010_control_gpr *ctl,
const char *name, int gpr, int defval)
{
- ctl->id.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
+ ctl->id.iface = (__force int)SNDRV_CTL_ELEM_IFACE_MIXER;
strcpy(ctl->id.name, name);
ctl->vcount = ctl->count = 2;
ctl->gpr[0] = gpr + 0; ctl->value[0] = defval;
@@ -1216,8 +1226,8 @@
if (!icode)
return err;
- icode->gpr_map = (u_int32_t __user *) kcalloc(512 + 256 + 256 + 2 * 1024,
- sizeof(u_int32_t), GFP_KERNEL);
+ icode->gpr_map = kcalloc(512 + 256 + 256 + 2 * 1024,
+ sizeof(u_int32_t), GFP_KERNEL);
if (!icode->gpr_map)
goto __err_gpr;
controls = kcalloc(SND_EMU10K1_GPR_CONTROLS,
@@ -1225,7 +1235,7 @@
if (!controls)
goto __err_ctrls;
- gpr_map = (u32 __force *)icode->gpr_map;
+ gpr_map = icode->gpr_map;
icode->tram_data_map = icode->gpr_map + 512;
icode->tram_addr_map = icode->tram_data_map + 256;
@@ -1480,7 +1490,7 @@
ctl = &controls[nctl + 0];
- ctl->id.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
+ ctl->id.iface = (__force int)SNDRV_CTL_ELEM_IFACE_MIXER;
strcpy(ctl->id.name, "Tone Control - Bass");
ctl->vcount = 2;
ctl->count = 10;
@@ -1489,7 +1499,7 @@
ctl->value[0] = ctl->value[1] = 20;
ctl->translation = EMU10K1_GPR_TRANSLATION_BASS;
ctl = &controls[nctl + 1];
- ctl->id.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
+ ctl->id.iface = (__force int)SNDRV_CTL_ELEM_IFACE_MIXER;
strcpy(ctl->id.name, "Tone Control - Treble");
ctl->vcount = 2;
ctl->count = 10;
@@ -1770,7 +1780,7 @@
A_OP(icode, &ptr, 0x0f, 0xc0, 0xc0, 0xcf, 0xc0);
icode->gpr_add_control_count = nctl;
- icode->gpr_add_controls = (struct snd_emu10k1_fx8010_control_gpr __user *)controls;
+ icode->gpr_add_controls = controls;
emu->support_tlv = 1; /* support TLV */
err = snd_emu10k1_icode_poke(emu, icode, true);
emu->support_tlv = 0; /* clear again */
@@ -1778,7 +1788,7 @@
__err:
kfree(controls);
__err_ctrls:
- kfree((void __force *)icode->gpr_map);
+ kfree(icode->gpr_map);
__err_gpr:
kfree(icode);
return err;
@@ -1851,8 +1861,8 @@
if (!icode)
return err;
- icode->gpr_map = (u_int32_t __user *) kcalloc(256 + 160 + 160 + 2 * 512,
- sizeof(u_int32_t), GFP_KERNEL);
+ icode->gpr_map = kcalloc(256 + 160 + 160 + 2 * 512,
+ sizeof(u_int32_t), GFP_KERNEL);
if (!icode->gpr_map)
goto __err_gpr;
@@ -1866,7 +1876,7 @@
if (!ipcm)
goto __err_ipcm;
- gpr_map = (u32 __force *)icode->gpr_map;
+ gpr_map = icode->gpr_map;
icode->tram_data_map = icode->gpr_map + 256;
icode->tram_addr_map = icode->tram_data_map + 160;
@@ -2200,7 +2210,7 @@
OP(icode, &ptr, iACC3, GPR(playback + SND_EMU10K1_PLAYBACK_CHANNELS + 5), GPR(playback + 5), C_00000000, C_00000000); /* LFE */
ctl = &controls[i + 0];
- ctl->id.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
+ ctl->id.iface = (__force int)SNDRV_CTL_ELEM_IFACE_MIXER;
strcpy(ctl->id.name, "Tone Control - Bass");
ctl->vcount = 2;
ctl->count = 10;
@@ -2210,7 +2220,7 @@
ctl->tlv = snd_emu10k1_bass_treble_db_scale;
ctl->translation = EMU10K1_GPR_TRANSLATION_BASS;
ctl = &controls[i + 1];
- ctl->id.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
+ ctl->id.iface = (__force int)SNDRV_CTL_ELEM_IFACE_MIXER;
strcpy(ctl->id.name, "Tone Control - Treble");
ctl->vcount = 2;
ctl->count = 10;
@@ -2396,7 +2406,7 @@
if ((err = snd_emu10k1_fx8010_tram_setup(emu, ipcm->buffer_size)) < 0)
goto __err;
icode->gpr_add_control_count = i;
- icode->gpr_add_controls = (struct snd_emu10k1_fx8010_control_gpr __user *)controls;
+ icode->gpr_add_controls = controls;
emu->support_tlv = 1; /* support TLV */
err = snd_emu10k1_icode_poke(emu, icode, true);
emu->support_tlv = 0; /* clear again */
@@ -2407,7 +2417,7 @@
__err_ipcm:
kfree(controls);
__err_ctrls:
- kfree((void __force *)icode->gpr_map);
+ kfree(icode->gpr_map);
__err_gpr:
kfree(icode);
return err;
@@ -2478,7 +2488,7 @@
}
if (size > 0) {
- if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(emu->pci),
+ if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, &emu->pci->dev,
size * 2, &emu->fx8010.etram_pages) < 0)
return -ENOMEM;
memset(emu->fx8010.etram_pages.area, 0, size * 2);
@@ -2497,7 +2507,7 @@
return 0;
}
-static void copy_string(char *dst, char *src, char *null, int idx)
+static void copy_string(char *dst, const char *src, const char *null, int idx)
{
if (src == NULL)
sprintf(dst, "%s %02X", null, idx);
@@ -2508,7 +2518,7 @@
static void snd_emu10k1_fx8010_info(struct snd_emu10k1 *emu,
struct snd_emu10k1_fx8010_info *info)
{
- char **fxbus, **extin, **extout;
+ const char * const *fxbus, * const *extin, * const *extout;
unsigned short fxbus_mask, extin_mask, extout_mask;
int res;
--
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