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.
Reviewed-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@xxxxxxxxxxxxxxx>
---
.../intel/common/soc-acpi-intel-bxt-match.c | 33 +++++++++++++++++++
1 file changed, 33 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..61dedc103b19 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 +6,41 @@
*
*/
+#include <linux/dmi.h>
#include <sound/soc-acpi.h>
#include <sound/soc-acpi-intel-match.h>
+enum {
+ APL_RVP,
+};
+
+static const struct dmi_system_id apl_table[] = {
+ {
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Intel Corp."),
+ DMI_MATCH(DMI_BOARD_NAME, "Apollolake RVP1A"),
+ },
+ .driver_data = (void *)(APL_RVP),
+ },
+ {}
+};
+
+static struct snd_soc_acpi_mach *apl_quirk(void *arg)
+{
+ struct snd_soc_acpi_mach *mach = arg;
+ const struct dmi_system_id *dmi_id;
+ unsigned long apl_machine_id;
+
+ dmi_id = dmi_first_match(apl_table);
+ if (dmi_id) {
+ apl_machine_id = (unsigned long)dmi_id->driver_data;
+ if (apl_machine_id == APL_RVP)
+ return NULL;
+ }
+
+ return mach;
+}
+
static struct snd_soc_acpi_codecs bxt_codecs = {
.num_codecs = 1,
.codecs = {"MX98357A"}
@@ -50,6 +82,7 @@ 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",
--
2.17.1
_______________________________________________
Alsa-devel mailing list
Alsa-devel@xxxxxxxxxxxxxxxx
http://mailman.alsa-project.org/mailman/listinfo/alsa-devel
