summaryrefslogtreecommitdiffstats
path: root/sound/pci/emu10k1
diff options
context:
space:
mode:
Diffstat (limited to 'sound/pci/emu10k1')
-rw-r--r--sound/pci/emu10k1/emu10k1_main.c2
-rw-r--r--sound/pci/emu10k1/emufx.c36
-rw-r--r--sound/pci/emu10k1/emuproc.c51
3 files changed, 53 insertions, 36 deletions
diff --git a/sound/pci/emu10k1/emu10k1_main.c b/sound/pci/emu10k1/emu10k1_main.c
index f18bd6207c50..66c7fb3ced3e 100644
--- a/sound/pci/emu10k1/emu10k1_main.c
+++ b/sound/pci/emu10k1/emu10k1_main.c
@@ -1787,7 +1787,7 @@ int __devinit snd_emu10k1_create(struct snd_card *card,
else if (subsystem)
snd_printdd("Sound card name = %s, "
"vendor = 0x%x, device = 0x%x, subsystem = 0x%x. "
- "Forced to subsytem = 0x%x\n", c->name,
+ "Forced to subsystem = 0x%x\n", c->name,
pci->vendor, pci->device, emu->serial, c->subsystem);
else
snd_printdd("Sound card name = %s, "
diff --git a/sound/pci/emu10k1/emufx.c b/sound/pci/emu10k1/emufx.c
index 4b302d86f5f2..7a9401462c1c 100644
--- a/sound/pci/emu10k1/emufx.c
+++ b/sound/pci/emu10k1/emufx.c
@@ -35,6 +35,7 @@
#include <linux/vmalloc.h>
#include <linux/init.h>
#include <linux/mutex.h>
+#include <linux/moduleparam.h>
#include <sound/core.h>
#include <sound/tlv.h>
@@ -50,6 +51,10 @@
#define EMU10K1_CENTER_LFE_FROM_FRONT
#endif
+static bool high_res_gpr_volume;
+module_param(high_res_gpr_volume, bool, 0444);
+MODULE_PARM_DESC(high_res_gpr_volume, "GPR mixer controls use 31-bit range.");
+
/*
* Tables
*/
@@ -296,6 +301,7 @@ static const u32 db_table[101] = {
/* EMU10k1/EMU10k2 DSP control db gain */
static const DECLARE_TLV_DB_SCALE(snd_emu10k1_db_scale1, -4000, 40, 1);
+static const DECLARE_TLV_DB_LINEAR(snd_emu10k1_db_linear, TLV_DB_GAIN_MUTE, 0);
static const u32 onoff_table[2] = {
0x00000000, 0x00000001
@@ -1072,10 +1078,17 @@ snd_emu10k1_init_mono_control(struct snd_emu10k1_fx8010_control_gpr *ctl,
strcpy(ctl->id.name, name);
ctl->vcount = ctl->count = 1;
ctl->gpr[0] = gpr + 0; ctl->value[0] = defval;
- ctl->min = 0;
- ctl->max = 100;
- ctl->tlv = snd_emu10k1_db_scale1;
- ctl->translation = EMU10K1_GPR_TRANSLATION_TABLE100;
+ if (high_res_gpr_volume) {
+ ctl->min = 0;
+ ctl->max = 0x7fffffff;
+ ctl->tlv = snd_emu10k1_db_linear;
+ ctl->translation = EMU10K1_GPR_TRANSLATION_NONE;
+ } else {
+ ctl->min = 0;
+ ctl->max = 100;
+ ctl->tlv = snd_emu10k1_db_scale1;
+ ctl->translation = EMU10K1_GPR_TRANSLATION_TABLE100;
+ }
}
static void __devinit
@@ -1087,10 +1100,17 @@ snd_emu10k1_init_stereo_control(struct snd_emu10k1_fx8010_control_gpr *ctl,
ctl->vcount = ctl->count = 2;
ctl->gpr[0] = gpr + 0; ctl->value[0] = defval;
ctl->gpr[1] = gpr + 1; ctl->value[1] = defval;
- ctl->min = 0;
- ctl->max = 100;
- ctl->tlv = snd_emu10k1_db_scale1;
- ctl->translation = EMU10K1_GPR_TRANSLATION_TABLE100;
+ if (high_res_gpr_volume) {
+ ctl->min = 0;
+ ctl->max = 0x7fffffff;
+ ctl->tlv = snd_emu10k1_db_linear;
+ ctl->translation = EMU10K1_GPR_TRANSLATION_NONE;
+ } else {
+ ctl->min = 0;
+ ctl->max = 100;
+ ctl->tlv = snd_emu10k1_db_scale1;
+ ctl->translation = EMU10K1_GPR_TRANSLATION_TABLE100;
+ }
}
static void __devinit
diff --git a/sound/pci/emu10k1/emuproc.c b/sound/pci/emu10k1/emuproc.c
index baa7cd508cd8..bc38dd4d071f 100644
--- a/sound/pci/emu10k1/emuproc.c
+++ b/sound/pci/emu10k1/emuproc.c
@@ -341,15 +341,17 @@ static void snd_emu10k1_proc_acode_read(struct snd_info_entry *entry,
#define TOTAL_SIZE_CODE (0x200*8)
#define A_TOTAL_SIZE_CODE (0x400*8)
-static long snd_emu10k1_fx8010_read(struct snd_info_entry *entry,
- void *file_private_data,
- struct file *file, char __user *buf,
- unsigned long count, unsigned long pos)
+static ssize_t snd_emu10k1_fx8010_read(struct snd_info_entry *entry,
+ void *file_private_data,
+ struct file *file, char __user *buf,
+ size_t count, loff_t pos)
{
- long size;
struct snd_emu10k1 *emu = entry->private_data;
unsigned int offset;
int tram_addr = 0;
+ unsigned int *tmp;
+ long res;
+ unsigned int idx;
if (!strcmp(entry->name, "fx8010_tram_addr")) {
offset = TANKMEMADDRREGBASE;
@@ -361,30 +363,25 @@ static long snd_emu10k1_fx8010_read(struct snd_info_entry *entry,
} else {
offset = emu->audigy ? A_FXGPREGBASE : FXGPREGBASE;
}
- size = count;
- if (pos + size > entry->size)
- size = (long)entry->size - pos;
- if (size > 0) {
- unsigned int *tmp;
- long res;
- unsigned int idx;
- if ((tmp = kmalloc(size + 8, GFP_KERNEL)) == NULL)
- return -ENOMEM;
- for (idx = 0; idx < ((pos & 3) + size + 3) >> 2; idx++)
- if (tram_addr && emu->audigy) {
- tmp[idx] = snd_emu10k1_ptr_read(emu, offset + idx + (pos >> 2), 0) >> 11;
- tmp[idx] |= snd_emu10k1_ptr_read(emu, 0x100 + idx + (pos >> 2), 0) << 20;
- } else
- tmp[idx] = snd_emu10k1_ptr_read(emu, offset + idx + (pos >> 2), 0);
- if (copy_to_user(buf, ((char *)tmp) + (pos & 3), size))
- res = -EFAULT;
- else {
- res = size;
+
+ tmp = kmalloc(count + 8, GFP_KERNEL);
+ if (!tmp)
+ return -ENOMEM;
+ for (idx = 0; idx < ((pos & 3) + count + 3) >> 2; idx++) {
+ unsigned int val;
+ val = snd_emu10k1_ptr_read(emu, offset + idx + (pos >> 2), 0);
+ if (tram_addr && emu->audigy) {
+ val >>= 11;
+ val |= snd_emu10k1_ptr_read(emu, 0x100 + idx + (pos >> 2), 0) << 20;
}
- kfree(tmp);
- return res;
+ tmp[idx] = val;
}
- return 0;
+ if (copy_to_user(buf, ((char *)tmp) + (pos & 3), count))
+ res = -EFAULT;
+ else
+ res = count;
+ kfree(tmp);
+ return res;
}
static void snd_emu10k1_proc_voices_read(struct snd_info_entry *entry,
OpenPOWER on IntegriCloud