diff options
| author | Vinod Koul <vinod.koul@intel.com> | 2016-02-19 11:42:34 +0530 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2016-02-20 00:34:47 +0900 |
| commit | 4b235c43deb8283802281a299cb730001a6ad1da (patch) | |
| tree | 28a9fffcacb98b980988ff49f829ccd3450102d8 /sound/soc/intel/skylake/skl-nhlt.c | |
| parent | 2d1419a329e7de825c03738ad2ac532153239388 (diff) | |
ASoC: Intel: Skylake: Generate topology name for NHLT table header
NHLT table [1] header has fields like oem_id, oem_table_id and
oem_revision. Use that to load a unique topology binary specific
to that platform
NHLT Table is documented at:
[1]: https://01.org/blogs/2016/intel-smart-sound-technology-audio-dsp
Signed-off-by: Yang A Fang <yang.a.fang@intel.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/soc/intel/skylake/skl-nhlt.c')
| -rw-r--r-- | sound/soc/intel/skylake/skl-nhlt.c | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/sound/soc/intel/skylake/skl-nhlt.c b/sound/soc/intel/skylake/skl-nhlt.c index 6e4b21cdb1bd..14d1916ea9f8 100644 --- a/sound/soc/intel/skylake/skl-nhlt.c +++ b/sound/soc/intel/skylake/skl-nhlt.c @@ -145,3 +145,37 @@ struct nhlt_specific_cfg return NULL; } + +static void skl_nhlt_trim_space(struct skl *skl) +{ + char *s = skl->tplg_name; + int cnt; + int i; + + cnt = 0; + for (i = 0; s[i]; i++) { + if (!isspace(s[i])) + s[cnt++] = s[i]; + } + + s[cnt] = '\0'; +} + +int skl_nhlt_update_topology_bin(struct skl *skl) +{ + struct nhlt_acpi_table *nhlt = (struct nhlt_acpi_table *)skl->nhlt; + struct hdac_bus *bus = ebus_to_hbus(&skl->ebus); + struct device *dev = bus->dev; + + dev_dbg(dev, "oem_id %.6s, oem_table_id %8s oem_revision %d\n", + nhlt->header.oem_id, nhlt->header.oem_table_id, + nhlt->header.oem_revision); + + snprintf(skl->tplg_name, sizeof(skl->tplg_name), "%x-%.6s-%.8s-%d%s", + skl->pci_id, nhlt->header.oem_id, nhlt->header.oem_table_id, + nhlt->header.oem_revision, "-tplg.bin"); + + skl_nhlt_trim_space(skl); + + return 0; +} |