@@ -185,6 +185,10 @@ struct snd_soc_acpi_link_adr {
* ACPI ID alone is not sufficient, wrong or misleading
* @quirk_data: data used to uniquely identify a machine, usually a list of
* audio codecs whose presence if checked with ACPI
+ * @machine_check: pointer to quirk function. The functionality is similar to
+ * the use of @machine_quirk, except that the return value is a boolean: the intent
+ * is to skip a machine if the additional hardware/firmware verification invalidates
+ * the initial selection in the snd_soc_acpi_mach table.
* @pdata: intended for platform data or machine specific-ops. This structure
* is not constant since this field may be updated at run-time
* @sof_tplg_filename: Sound Open Firmware topology file name, if enabled
@@ -203,6 +207,7 @@ struct snd_soc_acpi_mach {
const char *board;
struct snd_soc_acpi_mach * (*machine_quirk)(void *arg);
const void *quirk_data;
+ bool (*machine_check)(void *arg);
void *pdata;
struct snd_soc_acpi_mach_params mach_params;
const char *sof_tplg_filename;