From: Charles Keepax ckeepax@opensource.cirrus.com
In preparation for future refactoring pull out a helper specifically for generating the codec name.
Reviewed-by: Bard Liao yung-chuan.liao@linux.intel.com Signed-off-by: Charles Keepax ckeepax@opensource.cirrus.com Signed-off-by: Pierre-Louis Bossart pierre-louis.bossart@linux.intel.com --- sound/soc/intel/boards/sof_sdw.c | 47 ++++++++++++++++++-------------- 1 file changed, 27 insertions(+), 20 deletions(-)
diff --git a/sound/soc/intel/boards/sof_sdw.c b/sound/soc/intel/boards/sof_sdw.c index 6e2e934e1246..1253a2dc33d2 100644 --- a/sound/soc/intel/boards/sof_sdw.c +++ b/sound/soc/intel/boards/sof_sdw.c @@ -1283,12 +1283,37 @@ static bool is_unique_device(const struct snd_soc_acpi_link_adr *adr_link, return true; }
+static const char *get_codec_name(struct device *dev, + const struct sof_sdw_codec_info *codec_info, + const struct snd_soc_acpi_link_adr *adr_link, + int adr_index) +{ + u64 adr = adr_link->adr_d[adr_index].adr; + unsigned int sdw_version = SDW_VERSION(adr); + unsigned int link_id = SDW_DISCO_LINK_ID(adr); + unsigned int unique_id = SDW_UNIQUE_ID(adr); + unsigned int mfg_id = SDW_MFG_ID(adr); + unsigned int part_id = SDW_PART_ID(adr); + unsigned int class_id = SDW_CLASS_ID(adr); + + if (codec_info->codec_name) + return devm_kstrdup(dev, codec_info->codec_name, GFP_KERNEL); + else if (is_unique_device(adr_link, sdw_version, mfg_id, part_id, + class_id, adr_index)) + return devm_kasprintf(dev, GFP_KERNEL, "sdw:0:%01x:%04x:%04x:%02x", + link_id, mfg_id, part_id, class_id); + else + return devm_kasprintf(dev, GFP_KERNEL, "sdw:0:%01x:%04x:%04x:%02x:%01x", + link_id, mfg_id, part_id, class_id, unique_id); + + return NULL; +} + static int fill_sdw_codec_dlc(struct device *dev, const struct snd_soc_acpi_link_adr *adr_link, struct snd_soc_dai_link_component *codec, int adr_index, int dai_index) { - unsigned int sdw_version, unique_id, mfg_id, link_id, part_id, class_id; u64 adr = adr_link->adr_d[adr_index].adr; struct sof_sdw_codec_info *codec_info;
@@ -1296,25 +1321,7 @@ static int fill_sdw_codec_dlc(struct device *dev, if (!codec_info) return -EINVAL;
- sdw_version = SDW_VERSION(adr); - link_id = SDW_DISCO_LINK_ID(adr); - unique_id = SDW_UNIQUE_ID(adr); - mfg_id = SDW_MFG_ID(adr); - part_id = SDW_PART_ID(adr); - class_id = SDW_CLASS_ID(adr); - - if (codec_info->codec_name) - codec->name = devm_kstrdup(dev, codec_info->codec_name, GFP_KERNEL); - else if (is_unique_device(adr_link, sdw_version, mfg_id, part_id, - class_id, adr_index)) - codec->name = devm_kasprintf(dev, GFP_KERNEL, - "sdw:0:%01x:%04x:%04x:%02x", link_id, - mfg_id, part_id, class_id); - else - codec->name = devm_kasprintf(dev, GFP_KERNEL, - "sdw:0:%01x:%04x:%04x:%02x:%01x", link_id, - mfg_id, part_id, class_id, unique_id); - + codec->name = get_codec_name(dev, codec_info, adr_link, adr_index); if (!codec->name) return -ENOMEM;