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arch_init.c: Improve '-soundhw help' for non-HAS_AUDIO_CHOICE archs 

For architectures which don't set HAS_AUDIO_CHOICE, improve the
'-soundhw help' message so that it doesn't simply print an empty
list, implying no sound support at all.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: malc <av1474@comtv.ru>
This commit is contained in:
Peter Maydell 2012-09-19 14:51:38 +01:00 committed by malc
parent 6b80f7db8a
commit 55d4fd3c24
1 changed files with 5 additions and 0 deletions
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5
arch_init.c
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@ -922,11 +922,16 @@ void select_soundhw(const char *optarg)
if (is_help_option(optarg)) {
show_valid_cards:
#ifdef HAS_AUDIO_CHOICE
printf("Valid sound card names (comma separated):\n");
for (c = soundhw; c->name; ++c) {
printf ("%-11s %s\n", c->name, c->descr);
}
printf("\n-soundhw all will enable all of the above\n");
#else
printf("Machine has no user-selectable audio hardware "
"(it may or may not have always-present audio hardware).\n");
#endif
exit(!is_help_option(optarg));
}
else {