ASoC: msm8916-wcd-analog: use threaded context for mbhc events

ASoC: msm8916-wcd-analog: use threaded context for mbhc events

BugLink: http://bugs.launchpad.net/bugs/1794889
[ Upstream commit a8419a0cd98ddf628a9e38a92110af7cc650dde7 ]

As snd_soc_jack_report() can sleep, move handling of mbhc events to a
thread context rather than in interrupt context.

Fixes: de66b3455023 ('ASoC: codecs: msm8916-wcd-analog: add MBHC support')
Reported-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Kamal Mostafa <kamal@canonical.com>
Signed-off-by: Stefan Bader <stefan.bader@canonical.com>