The patch number 9949 was added via Mauro Carvalho Chehab <[email protected]>
to http://linuxtv.org/hg/v4l-dvb master development tree.
Kernel patches in this development tree may be modified to be backward
compatible with older kernels. Compatibility modifications will be
removed before inclusion into the mainstream Kernel
If anyone has any objections, please let us know by sending a message to:
[email protected]
------
From: Mauro Carvalho Chehab <[email protected]>
v4l2-dbg: print register name when known
Priority: normal
Signed-off-by: Mauro Carvalho Chehab <[email protected]>
---
v4l2-apps/util/v4l2-dbg.cpp | 29 +++++++++++++++++++++++++++--
1 file changed, 27 insertions(+), 2 deletions(-)
diff -r 5df4f03253db -r 8383791267d3 v4l2-apps/util/v4l2-dbg.cpp
--- a/v4l2-apps/util/v4l2-dbg.cpp Mon Dec 22 09:36:29 2008 -0200
+++ b/v4l2-apps/util/v4l2-dbg.cpp Mon Dec 22 09:53:53 2008 -0200
@@ -293,6 +293,21 @@ static unsigned long long parse_reg(cons
return strtoull(reg.c_str(), NULL, 0);
}
+static const char *reg_name(const struct board_list *curr_bd, unsigned long
long reg)
+{
+ if (curr_bd) {
+ for (int i = 0; i < curr_bd->regs_size; i++) {
+ if (reg == curr_bd->regs[i].reg)
+ return curr_bd->regs[i].name;
+ }
+ for (int i = 0; i < curr_bd->alt_regs_size; i++) {
+ if (reg == curr_bd->regs[i].reg)
+ return curr_bd->regs[i].name;
+ }
+ }
+ return NULL;
+}
+
static const char *binary(unsigned long long val)
{
static char bin[80];
@@ -582,9 +597,19 @@ int main(int argc, char **argv)
if (ioctl(fd, VIDIOC_DBG_G_REGISTER, &get_reg) < 0)
fprintf(stderr, "ioctl: VIDIOC_DBG_G_REGISTER "
"failed for 0x%llx\n",
get_reg.reg);
- else
- printf("%llx = %llxh = %lldd = %sb\n",
get_reg.reg,
+ else {
+ const char *name = reg_name(curr_bd,
get_reg.reg);
+
+ printf("Register ");
+
+ if (name)
+ printf("%s", name);
+ else
+ printf("0x%08llx", get_reg.reg);
+
+ printf(" = %llxh (%lldd %sb)\n",
get_reg.val, get_reg.val,
binary(get_reg.val));
+ }
}
}
---
Patch is available at:
http://linuxtv.org/hg/v4l-dvb/rev/8383791267d31f6eaf567448a1c9e828c4e0f375
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