On Tue, May 25, 2021 at 03:23:46PM +0200, Maxime Ripard wrote:

The IEC958 status bits can be exposed and modified by the userspace
through dedicated ALSA controls.

This patch implements those controls for the hdmi-codec driver. It
relies on a default value being setup at probe time that can later be
overridden by the control put.

This breaks bisection:

/mnt/kernel/sound/soc/codecs/hdmi-codec.c: In function 'hdmi_codec_hw_params':
/mnt/kernel/sound/soc/codecs/hdmi-codec.c:504:50: error: invalid type argument of '->' (have 'struct hdmi_codec_params')
  memcpy(hp.iec.status, hcp->iec_status, sizeof(hp->iec_status));
                                                  ^~