snd_soc_kcontrol_platform (9) - Linux Man Pages
snd_soc_kcontrol_platform: Returns the platform that registered the control
snd_soc_kcontrol_platform - Returns the platform that registered the control
struct snd_soc_platform * snd_soc_kcontrol_platform(struct snd_kcontrol
- The control for which to get the platform
This function will only work correctly if the control has been registered with snd_soc_add_platform_controls or via table based setup of a snd_soc_platform_driver. Otherwise the behavior is undefined.