On Baytrail-CR, SSP0 needs to be used instead of SSP2. The
substitution is assumed to be done in the topology file.
When Baytrail-CR is detected, add -ssp0 suffix to the topology file
name so that the topology code picks up the correct file.
Tested on Asus T100TAF
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@xxxxxxxxxxxxxxx>
---
sound/soc/sof/intel/byt.c | 47 ++++++++++++++++++++++++++++++++++++++-
1 file changed, 46 insertions(+), 1 deletion(-)
diff --git a/sound/soc/sof/intel/byt.c b/sound/soc/sof/intel/byt.c
index d0db581348af..d43098a962c0 100644
--- a/sound/soc/sof/intel/byt.c
+++ b/sound/soc/sof/intel/byt.c
@@ -18,6 +18,7 @@
#include "../ops.h"
#include "shim.h"
#include "../sof-audio.h"
+#include "../../intel/common/soc-intel-quirks.h"
/* DSP memories */
#define IRAM_OFFSET 0x0C0000
@@ -384,11 +385,37 @@ static int byt_reset(struct snd_sof_dev *sdev)
return 0;
}
+static const char *fixup_tplg_name(struct snd_sof_dev *sdev,
+ const char *sof_tplg_filename,
+ const char *ssp_str)
+{
+ const char *tplg_filename = NULL;
+ char *filename;
+ char *split_ext;
+
+ filename = devm_kstrdup(sdev->dev, sof_tplg_filename, GFP_KERNEL);
+ if (!filename)
+ return NULL;
+
+ /* this assumes a .tplg extension */
+ split_ext = strsep(&filename, ".");
+ if (split_ext) {
+ tplg_filename = devm_kasprintf(sdev->dev, GFP_KERNEL,
+ "%s-%s.tplg",
+ split_ext, ssp_str);
+ if (!tplg_filename)
+ return NULL;
+ }
+ return tplg_filename;
+}
+
static void byt_machine_select(struct snd_sof_dev *sdev)
{
struct snd_sof_pdata *sof_pdata = sdev->pdata;
const struct sof_dev_desc *desc = sof_pdata->desc;
struct snd_soc_acpi_mach *mach;
+ struct platform_device *pdev;
+ const char *tplg_filename;
mach = snd_soc_acpi_find_machine(desc->machines);
if (!mach) {
@@ -396,7 +423,25 @@ static void byt_machine_select(struct snd_sof_dev *sdev)
return;
}
- sof_pdata->tplg_filename = mach->sof_tplg_filename;
+ pdev = to_platform_device(sdev->dev);
+ if (soc_intel_is_byt_cr(pdev)) {
+ dev_dbg(sdev->dev,
+ "BYT-CR detected, SSP0 used instead of SSP2\n");
+
+ tplg_filename = fixup_tplg_name(sdev,
+ mach->sof_tplg_filename,
+ "ssp0");
+ } else {
+ tplg_filename = mach->sof_tplg_filename;
+ }
+
+ if (!tplg_filename) {
+ dev_dbg(sdev->dev,
+ "error: no topology filename\n");
+ return;
+ }
+
+ sof_pdata->tplg_filename = tplg_filename;
mach->mach_params.acpi_ipc_irq_index = desc->irqindex_host_ipc;
sof_pdata->machine = mach;
}
--
2.20.1
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