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ASoC: intel: bytcr_rt5651: add null check to support_button_press

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When removing sof module the support_button_press function will oops
because hp_jack pointer is not checked for NULL. So add a check to fix
this.

Signed-off-by: Jaska Uimonen <jaska.uimonen@intel.com>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://lore.kernel.org/r/20190927201408.925-2-pierre-louis.bossart@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Jaska Uimonen 2019-09-27 15:14:05 -05:00 committed by Mark Brown
parent 6ba5041c23
commit 2bdf194e20
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GPG Key ID: 24D68B725D5487D0
1 changed files with 3 additions and 0 deletions
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3
sound/soc/codecs/rt5651.c
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@ -1770,6 +1770,9 @@ static int rt5651_detect_headset(struct snd_soc_component *component)
static bool rt5651_support_button_press(struct rt5651_priv *rt5651)
{
if (!rt5651->hp_jack)
return false;
/* Button press support only works with internal jack-detection */
return (rt5651->hp_jack->status & SND_JACK_MICROPHONE) &&
rt5651->gpiod_hp_det == NULL;