On Thu, Feb 13, 2020 at 9:57 AM CK Hu wrote:
> I'm not only consider the race condition of plugged_cb and codec_dev. I
> also care about the atomic of mtk_cec_hpd_high() and hdmi->plugged_cb().
> If these two function is not an atomic operation, below is an example of
> problem:
>
>
> 1. Thread
Hi, Tzung-Bi:
On Wed, 2020-02-12 at 19:31 +0800, Tzung-Bi Shih wrote:
> On Wed, Feb 12, 2020 at 4:19 PM CK Hu wrote:
> > I think hdmi_conn_detect() and mtk_hdmi_audio_hook_plugged_cb() would be
> > called in different thread. So it's necessary to use a mutex to protect
> > this.
>
> Thanks for
Hi, Tzung-Bi:
On Thu, 2020-02-06 at 11:17 +0800, Tzung-Bi Shih wrote:
> 1.
> Provides a callback (i.e. mtk_hdmi_audio_hook_plugged_cb) to hdmi-codec.
> When ASoC machine driver calls hdmi_codec_set_jack_detect(), the
> callback will be invoked to save plugged_cb and codec_dev parameters.
>
>
