For some reason the RVP/LeafHill SSDT exposes an INT34C3 ID which is used on other boards to point to the TDF8532 amplifier. Yay BIOS.
Add a DMI-quirk to ignore this ID and check for other valid machine driver descriptors.
Signed-off-by: Pierre-Louis Bossart pierre-louis.bossart@linux.intel.com --- .../intel/common/soc-acpi-intel-bxt-match.c | 35 +++++++++++++++++++ 1 file changed, 35 insertions(+)
diff --git a/sound/soc/intel/common/soc-acpi-intel-bxt-match.c b/sound/soc/intel/common/soc-acpi-intel-bxt-match.c index 2756fa4ab552..752a1bbff7f7 100644 --- a/sound/soc/intel/common/soc-acpi-intel-bxt-match.c +++ b/sound/soc/intel/common/soc-acpi-intel-bxt-match.c @@ -6,9 +6,43 @@ * */
+#include <linux/dmi.h> #include <sound/soc-acpi.h> #include <sound/soc-acpi-intel-match.h>
+static unsigned long apl_machine_id; + +#define APL_RVP 1 + +static int apl_rvp_quirk_cb(const struct dmi_system_id *id) +{ + apl_machine_id = APL_RVP; + return 1; +} + +static const struct dmi_system_id apl_table[] = { + { + .callback = apl_rvp_quirk_cb, + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Intel Corp."), + DMI_MATCH(DMI_BOARD_NAME, "Apollolake RVP1A"), + }, + }, + {}, +}; + +static struct snd_soc_acpi_mach *apl_quirk(void *arg) +{ + struct snd_soc_acpi_mach *mach = arg; + + dmi_check_system(apl_table); + + if (apl_machine_id == APL_RVP) + return NULL; + else + return mach; +} + static struct snd_soc_acpi_codecs bxt_codecs = { .num_codecs = 1, .codecs = {"MX98357A"} @@ -50,6 +84,7 @@ struct snd_soc_acpi_mach snd_soc_acpi_intel_bxt_machines[] = { { .id = "INT34C3", .drv_name = "bxt_tdf8532", + .machine_quirk = apl_quirk, .sof_fw_filename = "intel/sof-apl.ri", .sof_tplg_filename = "intel/sof-apl-tdf8532.tplg", .asoc_plat_name = "0000:00:0e.0",