diff options
Diffstat (limited to 'sound/pci/emu10k1/emufx.c')
| -rw-r--r-- | sound/pci/emu10k1/emufx.c | 24 |
1 files changed, 13 insertions, 11 deletions
diff --git a/sound/pci/emu10k1/emufx.c b/sound/pci/emu10k1/emufx.c index 510b776f856d..355e3bde6132 100644 --- a/sound/pci/emu10k1/emufx.c +++ b/sound/pci/emu10k1/emufx.c @@ -2650,17 +2650,19 @@ static int snd_emu10k1_fx8010_ioctl(struct snd_hwdep * hw, struct file *file, un return -EPERM; if (get_user(addr, (unsigned int __user *)argp)) return -EFAULT; - if (addr > 0x1ff) - return -EINVAL; - if (emu->audigy) - snd_emu10k1_ptr_write(emu, A_DBG, 0, emu->fx8010.dbg |= A_DBG_SINGLE_STEP | addr); - else - snd_emu10k1_ptr_write(emu, DBG, 0, emu->fx8010.dbg |= EMU10K1_DBG_SINGLE_STEP | addr); - udelay(10); - if (emu->audigy) - snd_emu10k1_ptr_write(emu, A_DBG, 0, emu->fx8010.dbg |= A_DBG_SINGLE_STEP | A_DBG_STEP_ADDR | addr); - else - snd_emu10k1_ptr_write(emu, DBG, 0, emu->fx8010.dbg |= EMU10K1_DBG_SINGLE_STEP | EMU10K1_DBG_STEP | addr); + if (emu->audigy) { + if (addr > A_DBG_STEP_ADDR) + return -EINVAL; + snd_emu10k1_ptr_write(emu, A_DBG, 0, emu->fx8010.dbg |= A_DBG_SINGLE_STEP); + udelay(10); + snd_emu10k1_ptr_write(emu, A_DBG, 0, emu->fx8010.dbg | A_DBG_STEP | addr); + } else { + if (addr > EMU10K1_DBG_SINGLE_STEP_ADDR) + return -EINVAL; + snd_emu10k1_ptr_write(emu, DBG, 0, emu->fx8010.dbg |= EMU10K1_DBG_SINGLE_STEP); + udelay(10); + snd_emu10k1_ptr_write(emu, DBG, 0, emu->fx8010.dbg | EMU10K1_DBG_STEP | addr); + } return 0; case SNDRV_EMU10K1_IOCTL_DBG_READ: if (emu->audigy) |