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| author | Jerome Brunet <jbrunet@baylibre.com> | 2019-05-15 16:18:57 +0300 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2019-05-16 14:13:30 +0300 |
| commit | 0a8f1117a6803398d361e7bd76fef59c636f143b (patch) | |
| tree | b316b96aa78e9079f26e575bcdc17412e32e7a29 /sound/soc/meson/axg-card.c | |
| parent | e35f5ad6a965de5d301ca5957a1c48c53fe366fb (diff) | |
| download | linux-0a8f1117a6803398d361e7bd76fef59c636f143b.tar.xz | |
ASoC: meson: axg-card: add basic codec-to-codec link support
Add basic support for codec-to-codec link in the axg sound card.
The cpu side of these links is expected to properly set the hw_params
and format of the link.
ATM, only the tohdmitx glue is supported but others (like the
internal DAC glue) should follow.
Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
Tested-by: Neil Armstrong <narmstrong@baylibre.com>
Tested-by: Kevin Hilman <khilman@baylibre.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/soc/meson/axg-card.c')
| -rw-r--r-- | sound/soc/meson/axg-card.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/sound/soc/meson/axg-card.c b/sound/soc/meson/axg-card.c index 5c8deee8d512..db0a7fc18928 100644 --- a/sound/soc/meson/axg-card.c +++ b/sound/soc/meson/axg-card.c @@ -29,6 +29,18 @@ struct axg_dai_link_tdm_data { struct axg_dai_link_tdm_mask *codec_masks; }; +/* + * Base params for the codec to codec links + * Those will be over-written by the CPU side of the link + */ +static const struct snd_soc_pcm_stream codec_params = { + .formats = SNDRV_PCM_FMTBIT_S24_LE, + .rate_min = 5525, + .rate_max = 192000, + .channels_min = 1, + .channels_max = 8, +}; + #define PREFIX "amlogic," static int axg_card_reallocate_links(struct axg_card *priv, @@ -517,6 +529,11 @@ static int axg_card_cpu_is_tdm_iface(struct device_node *np) return of_device_is_compatible(np, PREFIX "axg-tdm-iface"); } +static int axg_card_cpu_is_codec(struct device_node *np) +{ + return of_device_is_compatible(np, PREFIX "g12a-tohdmitx"); +} + static int axg_card_add_link(struct snd_soc_card *card, struct device_node *np, int *index) { @@ -540,6 +557,8 @@ static int axg_card_add_link(struct snd_soc_card *card, struct device_node *np, if (axg_card_cpu_is_tdm_iface(dai_link->cpu_of_node)) ret = axg_card_parse_tdm(card, np, index); + else if (axg_card_cpu_is_codec(dai_link->cpu_of_node)) + dai_link->params = &codec_params; return ret; } |