[ALSA] snd:emu10k1: E-Mu updates. Fixes to firmware loading and support for 0404.
Signed-off-by: James Courtier-Dutton <James@superbug.co.uk>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
diff --git a/sound/pci/emu10k1/io.c b/sound/pci/emu10k1/io.c
index 2862e17..a026383 100644
--- a/sound/pci/emu10k1/io.c
+++ b/sound/pci/emu10k1/io.c
@@ -227,11 +227,14 @@
int snd_emu1010_fpga_write(struct snd_emu10k1 * emu, u32 reg, u32 value)
{
+ unsigned long flags;
+
if (reg > 0x3f)
return 1;
reg += 0x40; /* 0x40 upwards are registers. */
if (value < 0 || value > 0x3f) /* 0 to 0x3f are values */
return 1;
+ spin_lock_irqsave(&emu->emu_lock, flags);
outl(reg, emu->port + A_IOCFG);
udelay(10);
outl(reg | 0x80, emu->port + A_IOCFG); /* High bit clocks the value into the fpga. */
@@ -239,20 +242,24 @@
outl(value, emu->port + A_IOCFG);
udelay(10);
outl(value | 0x80 , emu->port + A_IOCFG); /* High bit clocks the value into the fpga. */
+ spin_unlock_irqrestore(&emu->emu_lock, flags);
return 0;
}
int snd_emu1010_fpga_read(struct snd_emu10k1 * emu, u32 reg, u32 *value)
{
+ unsigned long flags;
if (reg > 0x3f)
return 1;
reg += 0x40; /* 0x40 upwards are registers. */
+ spin_lock_irqsave(&emu->emu_lock, flags);
outl(reg, emu->port + A_IOCFG);
udelay(10);
outl(reg | 0x80, emu->port + A_IOCFG); /* High bit clocks the value into the fpga. */
udelay(10);
*value = ((inl(emu->port + A_IOCFG) >> 8) & 0x7f);
+ spin_unlock_irqrestore(&emu->emu_lock, flags);
return 0;
}