> g_io_add_watch() if you're using glib, inotify if you're not (man
> inotify(7)).
>
> Regards: David
Thanks for the suggestion but I can't get this to work. If I use:
GIOChannel *io =
g_io_channel_new_file("/sys/devices/platform/gpio-switch/headphone/state", "r",
NULL);
g_io_add_watch(io, G_IO_IN|G_IO_OUT|G_IO_PRI|G_IO_ERR|G_IO_HUP|G_IO_NVAL,
test_io_watch, NULL);
and I print out the GIOCondition in test_io_watch, I get a
constant stream (number 10) with nothing extra seen when the headphone
is plugged in or out. Using individual conditions leads to either
the function never being triggered or always being triggered. What
should I be watching for?
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