Facilitate drivers that wish to carry on if they can't create a jack input device by handling attempts to report the state of a NULL jack, removing the need to check for initialisation before use.
Signed-off-by: Mark Brown broonie@opensource.wolfsonmicro.com --- sound/core/jack.c | 3 +++ 1 files changed, 3 insertions(+), 0 deletions(-)
diff --git a/sound/core/jack.c b/sound/core/jack.c index 8133a2b..bd2d9e6 100644 --- a/sound/core/jack.c +++ b/sound/core/jack.c @@ -147,6 +147,9 @@ EXPORT_SYMBOL(snd_jack_set_parent); */ void snd_jack_report(struct snd_jack *jack, int status) { + if (!jack) + return; + if (jack->type & SND_JACK_HEADPHONE) input_report_switch(jack->input_dev, SW_HEADPHONE_INSERT, status & SND_JACK_HEADPHONE);