Messages in this thread | | | Date | Wed, 05 Dec 2001 18:57:32 -0500 | From | Nathan Bryant <> | Subject | Re: i810 audio patch |
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Nathan Bryant wrote:
> Doug Ledford wrote: > >> Can you add a debug check to update_lvi()? Something like: >> >> #ifdef DEBUG_MMAP >> if (dmabuf->count > dmabuf->fragsize && inb(port+OFF_CIV) == x) >> printk(KERN_DEBUG,"i810_audio: update_lvi - CIV == >> LVI\n"); >> #endif >> >> and see if that triggers with the original mmap code? > > > I've narrowed it down a little more.. the above does not trigger. but > i've added some other printk's and the sequence of events goes like this:
sorry... syslog.conf was not configured for DEBUG level...
it actually looks like this
Dec 5 18:55:17 lasn-001 kernel: SNDCTL_DSP_GETOPTR: count = 0 Dec 5 18:55:17 lasn-001 kernel: GETOPTR: setting swptr 0, hwptr=65536 Dec 5 18:55:17 lasn-001 kernel: i810_audio: update_lvi - CIV == LVI Dec 5 18:55:17 lasn-001 kernel: SNDCTL_DSP_GETOPTR 65536, 4, 65536, 65536 Dec 5 18:55:17 lasn-001 kernel: SNDCTL_DSP_GETOPTR: count = 65536 Dec 5 18:55:17 lasn-001 kernel: DAC HWP 65536,65536,0 Dec 5 18:55:17 lasn-001 kernel: GETOPTR: setting swptr 0, hwptr=65536 Dec 5 18:55:17 lasn-001 kernel: i810_audio: update_lvi - CIV == LVI Dec 5 18:55:17 lasn-001 kernel: SNDCTL_DSP_GETOPTR 65536, 0, 65536, 65536 Dec 5 18:55:17 lasn-001 kernel: SNDCTL_DSP_GETOPTR: count = 65536 Dec 5 18:55:17 lasn-001 kernel: DAC HWP 65536,65536,0 Dec 5 18:55:17 lasn-001 kernel: GETOPTR: setting swptr 0, hwptr=65536 Dec 5 18:55:17 lasn-001 kernel: i810_audio: update_lvi - CIV == LVI Dec 5 18:55:17 lasn-001 kernel: SNDCTL_DSP_GETOPTR 65536, 0, 65536, 65536 Dec 5 18:55:17 lasn-001 kernel: SNDCTL_DSP_GETOPTR: count = 65536 Dec 5 18:55:17 lasn-001 kernel: DAC HWP 65536,65536,0
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