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| author | Andreas Eversberg <andreas@eversberg.eu> | 2008-08-03 10:36:53 +0200 |
|---|---|---|
| committer | Karsten Keil <kkeil@suse.de> | 2009-01-09 22:44:23 +0100 |
| commit | 190f71d9d8516fea4db01ba86ddfad5738a92703 (patch) | |
| tree | c43aa64bc1708125263c5a4e8d3dffb3a651baf6 | |
| parent | 8dd2f36f317569665e454268a2677cfba3e848f1 (diff) | |
| download | linux-190f71d9d8516fea4db01ba86ddfad5738a92703.tar.gz linux-190f71d9d8516fea4db01ba86ddfad5738a92703.tar.bz2 linux-190f71d9d8516fea4db01ba86ddfad5738a92703.zip | |
mISDN: Add some debug option for clock problems
Add a new debug bit for clock problems.
Signed-off-by: Andreas Eversberg <andreas@eversberg.eu>
Signed-off-by: Karsten Keil <kkeil@suse.de>
| -rw-r--r-- | drivers/isdn/mISDN/dsp.h | 1 | ||||
| -rw-r--r-- | drivers/isdn/mISDN/dsp_cmx.c | 16 |
2 files changed, 10 insertions, 7 deletions
diff --git a/drivers/isdn/mISDN/dsp.h b/drivers/isdn/mISDN/dsp.h index ded948069335..98a33c58f091 100644 --- a/drivers/isdn/mISDN/dsp.h +++ b/drivers/isdn/mISDN/dsp.h @@ -15,6 +15,7 @@ #define DEBUG_DSP_TONE 0x0020 #define DEBUG_DSP_BLOWFISH 0x0040 #define DEBUG_DSP_DELAY 0x0100 +#define DEBUG_DSP_CLOCK 0x0200 #define DEBUG_DSP_DTMFCOEFF 0x8000 /* heavy output */ /* options may be: diff --git a/drivers/isdn/mISDN/dsp_cmx.c b/drivers/isdn/mISDN/dsp_cmx.c index fc8ea41ae6a2..93fb819c5203 100644 --- a/drivers/isdn/mISDN/dsp_cmx.c +++ b/drivers/isdn/mISDN/dsp_cmx.c @@ -1192,7 +1192,7 @@ dsp_cmx_receive(struct dsp *dsp, struct sk_buff *skb) * we set our new read pointer, and write silence to buffer */ if (((dsp->rx_W-dsp->rx_R) & CMX_BUFF_MASK) >= CMX_BUFF_HALF) { - if (dsp_debug & DEBUG_DSP_CMX) + if (dsp_debug & DEBUG_DSP_CLOCK) printk(KERN_DEBUG "cmx_receive(dsp=%lx): UNDERRUN (or overrun the " "maximum delay), adjusting read pointer! " @@ -1218,7 +1218,7 @@ dsp_cmx_receive(struct dsp *dsp, struct sk_buff *skb) if (dsp->cmx_delay) if (((dsp->rx_W - dsp->rx_R) & CMX_BUFF_MASK) >= (dsp->cmx_delay << 1)) { - if (dsp_debug & DEBUG_DSP_CMX) + if (dsp_debug & DEBUG_DSP_CLOCK) printk(KERN_DEBUG "cmx_receive(dsp=%lx): OVERRUN (because " "twice the delay is reached), adjusting " @@ -1374,8 +1374,9 @@ dsp_cmx_send_member(struct dsp *dsp, int len, s32 *c, int members) r = (r+1) & CMX_BUFF_MASK; } if (r != rr) { - printk(KERN_DEBUG "%s: buffer empty\n", - __func__); + if (dsp_debug & DEBUG_DSP_CLOCK) + printk(KERN_DEBUG "%s: RX empty\n", + __func__); memset(d, dsp_silence, (rr-r)&CMX_BUFF_MASK); } /* -> if echo is enabled */ @@ -1724,7 +1725,7 @@ dsp_cmx_send(void *arg) * the delay is greater dsp_poll */ if (delay > dsp_poll && !dsp->cmx_delay) { - if (dsp_debug & DEBUG_DSP_CMX) + if (dsp_debug & DEBUG_DSP_CLOCK) printk(KERN_DEBUG "%s lowest rx_delay of %d bytes for" " dsp %s are now removed.\n", @@ -1755,7 +1756,7 @@ dsp_cmx_send(void *arg) * have enabled tx_dejitter */ if (delay > dsp_poll && dsp->tx_dejitter) { - if (dsp_debug & DEBUG_DSP_CMX) + if (dsp_debug & DEBUG_DSP_CLOCK) printk(KERN_DEBUG "%s lowest tx_delay of %d bytes for" " dsp %s are now removed.\n", @@ -1821,7 +1822,8 @@ dsp_cmx_transmit(struct dsp *dsp, struct sk_buff *skb) if (space < skb->len) { /* write to the space we have left */ ww = (ww - 1) & CMX_BUFF_MASK; /* end one byte prior tx_R */ - printk(KERN_DEBUG "%s: buffer overflow\n", __func__); + if (dsp_debug & DEBUG_DSP_CLOCK) + printk(KERN_DEBUG "%s: TX overflow\n", __func__); } else /* write until all byte are copied */ ww = (w + skb->len) & CMX_BUFF_MASK; |