HI Mark, On 2016?04?18? 17:53, Mark Brown wrote: > On Mon, Apr 18, 2016 at 05:43:51PM +0800, Xing Zheng wrote: > >> The patch_1/3 add an export of a function that calls the _detect_jack_ >> function >> when a codec supports jack detection and fill the _detect_jack_ function in >> the >> struct snd_soc_codec_driver. > But why would anything ever call this function? How is this supposed to > be used? In my opinion, this function is mainly to provide simple-card (patch_2/3). This function will call and initialize jack detection if a codec supports it and fill the detect_jack function (patch_3/3 use it), and, we don't need to create a customized machine driver to call the codec jack detection, the simple-card is able to parse them. Thanks. -- - Xing Zheng
