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sysfs: stringify channels 'sigcap' attribute

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Signed-off-by: Oron Peled <oron.peled@xorcom.com>
Signed-off-by: Tzafrir Cohen <tzafrir.cohen@xorcom.com>
This commit is contained in:
Oron Peled 2012-10-14 16:20:50 +02:00 committed by Tzafrir Cohen
parent d863af110f
commit 4da324d4df
1 changed files with 39 additions and 1 deletions
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40
drivers/dahdi/dahdi-sysfs-chan.c
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@ -26,6 +26,7 @@
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/slab.h>
#include <linux/ctype.h>
#include <dahdi/kernel.h>
#include "dahdi.h"
#include "dahdi-sysfs.h"
@ -63,12 +64,49 @@ static BUS_ATTR_READER(field##_show, dev, buf) \
chan_attr(name, "%s\n");
chan_attr(channo, "%d\n");
chan_attr(chanpos, "%d\n");
chan_attr(sigcap, "0x%x\n");
chan_attr(blocksize, "%d\n");
#ifdef OPTIMIZE_CHANMUTE
chan_attr(chanmute, "%d\n");
#endif
static BUS_ATTR_READER(sigcap_show, dev, buf)
{
struct dahdi_chan *chan;
int len = 0;
int i;
uint sigtypes[] = {
DAHDI_SIG_FXSLS,
DAHDI_SIG_FXSGS,
DAHDI_SIG_FXSKS,
DAHDI_SIG_FXOLS,
DAHDI_SIG_FXOGS,
DAHDI_SIG_FXOKS,
DAHDI_SIG_EM,
DAHDI_SIG_CLEAR,
DAHDI_SIG_HDLCRAW,
DAHDI_SIG_HDLCFCS,
DAHDI_SIG_HDLCNET,
DAHDI_SIG_SLAVE,
DAHDI_SIG_SF,
DAHDI_SIG_CAS,
DAHDI_SIG_EM_E1,
DAHDI_SIG_DACS_RBS,
DAHDI_SIG_HARDHDLC,
DAHDI_SIG_MTP2,
};
chan = dev_to_chan(dev);
for (i = 0; i < ARRAY_SIZE(sigtypes); i++) {
uint x = chan->sigcap & sigtypes[i];
if (x == sigtypes[i])
len += sprintf(buf + len, "%s ", sigstr(x));
}
while (len > 0 && isspace(buf[len - 1])) /* trim */
len--;
len += sprintf(buf + len, "\n");
return len;
}
static BUS_ATTR_READER(sig_show, dev, buf)
{
struct dahdi_chan *chan;