Now the first device on a link is not treated specially there is no need to have a separate loop to handle the current link over the future links, as the logic is identical. Combine this all into a single processing loop. Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@xxxxxxxxxxxxxxx> Reviewed-by: Bard Liao <yung-chuan.liao@xxxxxxxxxxxxxxx> Signed-off-by: Charles Keepax <ckeepax@xxxxxxxxxxxxxxxxxxxxx> --- sound/soc/intel/boards/sof_sdw.c | 38 ++++++++++---------------------- 1 file changed, 12 insertions(+), 26 deletions(-) diff --git a/sound/soc/intel/boards/sof_sdw.c b/sound/soc/intel/boards/sof_sdw.c index 296de5baee3d2..f283c0d528dfc 100644 --- a/sound/soc/intel/boards/sof_sdw.c +++ b/sound/soc/intel/boards/sof_sdw.c @@ -1265,57 +1265,43 @@ static int get_slave_info(const struct snd_soc_acpi_link_adr *adr_link, int *codec_num, unsigned int *group_id, int adr_index) { - const struct snd_soc_acpi_adr_device *adr_d; - const struct snd_soc_acpi_link_adr *adr_next; - bool no_aggregation; - int index = 0; + bool no_aggregation = sof_sdw_quirk & SOF_SDW_NO_AGGREGATION; int i; - no_aggregation = sof_sdw_quirk & SOF_SDW_NO_AGGREGATION; - adr_d = &adr_link->adr_d[adr_index]; - - cpu_dai_id[index++] = ffs(adr_link->mask) - 1; - if (!adr_d->endpoints->aggregated || no_aggregation) { + if (!adr_link->adr_d[adr_index].endpoints->aggregated || no_aggregation) { + cpu_dai_id[0] = ffs(adr_link->mask) - 1; *cpu_dai_num = 1; *codec_num = 1; *group_id = 0; return 0; } - *group_id = adr_d->endpoints->group_id; - - /* Count endpoints with the same group_id in the adr_link */ *codec_num = 0; - for (i = 0; i < adr_link->num_adr; i++) { - if (adr_link->adr_d[i].endpoints->aggregated && - adr_link->adr_d[i].endpoints->group_id == *group_id) - (*codec_num)++; - } + *cpu_dai_num = 0; + *group_id = adr_link->adr_d[adr_index].endpoints->group_id; - /* gather other link ID of slaves in the same group */ - for (adr_next = adr_link + 1; adr_next && adr_next->num_adr; adr_next++) { + /* Count endpoints with the same group_id in the adr_link */ + for (; adr_link && adr_link->num_adr; adr_link++) { unsigned int link_codecs = 0; - for (i = 0; i < adr_next->num_adr; i++) { - if (adr_next->adr_d[i].endpoints->aggregated && - adr_next->adr_d[i].endpoints->group_id == *group_id) + for (i = 0; i < adr_link->num_adr; i++) { + if (adr_link->adr_d[i].endpoints->aggregated && + adr_link->adr_d[i].endpoints->group_id == *group_id) link_codecs++; } if (link_codecs) { *codec_num += link_codecs; - if (index >= SDW_MAX_CPU_DAIS) { + if (*cpu_dai_num >= SDW_MAX_CPU_DAIS) { dev_err(dev, "cpu_dai_id array overflowed\n"); return -EINVAL; } - cpu_dai_id[index++] = ffs(adr_next->mask) - 1; + cpu_dai_id[(*cpu_dai_num)++] = ffs(adr_link->mask) - 1; } } - *cpu_dai_num = index; - return 0; } -- 2.30.2