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mISDN: Add some debug option for clock problems

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Add a new debug bit for clock problems.

Signed-off-by: Andreas Eversberg <andreas@eversberg.eu>
Signed-off-by: Karsten Keil <kkeil@suse.de>
This commit is contained in:
Andreas Eversberg 2008-08-03 10:36:53 +02:00 committed by Karsten Keil
parent 8dd2f36f31
commit 190f71d9d8
2 changed files with 10 additions and 7 deletions
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1
drivers/isdn/mISDN/dsp.h
View File

@ -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:

16
drivers/isdn/mISDN/dsp_cmx.c
View File

@ -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;