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amixer no-range-checking option

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This patch adds the --nocheck option that disables range checking. It helps
debugging drivers.

Signed-off-by: Giuliano Pochini <pochini@shiny.it>
This commit is contained in:
Giuliano Pochini 2005-02-04 15:35:27 +00:00 committed by Takashi Iwai
parent 4d710af543
commit 943bf551e1
1 changed files with 11 additions and 1 deletions
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12
amixer/amixer.c
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@ -38,6 +38,7 @@
#define HELPID_INACTIVE 1004
#define HELPID_DEBUG 1005
#define HELPID_VERSION 1006
#define HELPID_NOCHECK 1007
#define LEVEL_BASIC (1<<0)
#define LEVEL_INACTIVE (1<<1)
@ -45,6 +46,7 @@
int quiet = 0;
int debugflag = 0;
int no_check = 0;
char card[64] = "default";
static void error(const char *fmt,...)
@ -66,6 +68,7 @@ static int help(void)
printf(" -c,--card N select the card\n");
printf(" -D,--device N select the device, default '%s'\n", card);
printf(" -d,--debug debug mode\n");
printf(" -n,--nocheck do not perform range checking\n");
printf(" -v,--version print version of this program\n");
printf(" -q,--quiet be quiet\n");
printf(" -i,--inactive show also inactive controls\n");
@ -161,6 +164,8 @@ static const char *control_access(snd_ctl_elem_info_t *info)
static int check_range(int val, int min, int max)
{
if (no_check)
return val;
if (val < min)
return min;
if (val > max)
@ -1456,6 +1461,7 @@ int main(int argc, char *argv[])
{"quiet", 0, NULL, HELPID_QUIET},
{"inactive", 0, NULL, HELPID_INACTIVE},
{"debug", 0, NULL, HELPID_DEBUG},
{"nocheck", 0, NULL, HELPID_NOCHECK},
{"version", 0, NULL, HELPID_VERSION},
{NULL, 0, NULL, 0},
};
@ -1464,7 +1470,7 @@ int main(int argc, char *argv[])
while (1) {
int c;
if ((c = getopt_long(argc, argv, "hc:D:qidv", long_option, NULL)) < 0)
if ((c = getopt_long(argc, argv, "hc:D:qidnv", long_option, NULL)) < 0)
break;
switch (c) {
case 'h':
@ -1501,6 +1507,10 @@ int main(int argc, char *argv[])
case HELPID_DEBUG:
debugflag = 1;
break;
case 'n':
case HELPID_NOCHECK:
no_check = 1;
break;
case 'v':
case HELPID_VERSION:
printf("amixer version " SND_UTIL_VERSION_STR "\n");