When no I2S based codecs are detected in the BIOS, check if there are any HDA codecs present. If yes, load the corresponding machine driver.
TODO: support for detecting the presence of HDA codec is not implemented. it will be implemented in the next revision.
Signed-off-by: Rakesh Ughreja rakesh.a.ughreja@intel.com --- sound/soc/intel/skylake/skl.c | 45 ++++++++++++++++++++++++++++++++++++++++--- 1 file changed, 42 insertions(+), 3 deletions(-)
diff --git a/sound/soc/intel/skylake/skl.c b/sound/soc/intel/skylake/skl.c index 08250c3..f923aa8 100644 --- a/sound/soc/intel/skylake/skl.c +++ b/sound/soc/intel/skylake/skl.c @@ -442,6 +442,26 @@ static struct skl_ssp_clk skl_ssp_clks[] = { {.name = "ssp5_sclkfs"}, };
+static struct snd_soc_acpi_mach *skl_probe_hda_machine( + struct snd_soc_acpi_mach *machines) +{ + + struct snd_soc_acpi_mach *mach; + + /* + * FIXME: + * First check if there are any HDA codecs present on the system + * then search the match table. + * For now this function is not detecting the presence of any + * HDA codecs. + */ + for (mach = machines; mach->id[0]; mach++) { + if (!strcmp(mach->id, "HDA_GEN")) + return mach; + } + return NULL; +} + static int skl_find_machine(struct skl *skl, void *driver_data) { struct hdac_bus *bus = skl_to_bus(skl); @@ -450,8 +470,12 @@ static int skl_find_machine(struct skl *skl, void *driver_data)
mach = snd_soc_acpi_find_machine(mach); if (mach == NULL) { - dev_err(bus->dev, "No matching machine driver found\n"); - return -ENODEV; + dev_dbg(bus->dev, "No matching I2S machine driver found\n"); + mach = skl_probe_hda_machine(driver_data); + if (mach == NULL) { + dev_err(bus->dev, "No matching machine driver found\n"); + return -ENODEV; + } }
skl->mach = mach; @@ -1025,6 +1049,14 @@ static struct snd_soc_acpi_mach sst_skl_devdata[] = { .quirk_data = &skl_codecs, .pdata = &skl_dmic_data }, + { + .id = "HDA_GEN", + .drv_name = "skl_hda_generic", + .fw_filename = "intel/dsp_fw_release.bin", + .machine_quirk = NULL, + .quirk_data = NULL, + .pdata = &cnl_pdata, + }, {} };
@@ -1087,7 +1119,14 @@ static struct snd_soc_acpi_mach sst_kbl_devdata[] = { .drv_name = "kbl_rt5663", .fw_filename = "intel/dsp_fw_kbl.bin", }, - + { + .id = "HDA_GEN", + .drv_name = "skl_hda_generic", + .fw_filename = "intel/dsp_fw_kbl.bin", + .machine_quirk = NULL, + .quirk_data = NULL, + .pdata = &cnl_pdata, + }, {} };