With old DTS there will be missing DAPM routes linking BE with CODECs. Add those routes in the card driver so sound works properly on Odroid XU3/4 also without DTS updates enabling the secondary PCM.
Signed-off-by: Sylwester Nawrocki <[email protected]> --- This patch might require my previous patch "ASoC: samsung: odroid: Ensure proper sample rate on pri/sec PCM" to apply cleanly. --- sound/soc/samsung/odroid.c | 12 +++++++++++- 1 file changed, 11 insertions(+), 1 deletion(-) diff --git a/sound/soc/samsung/odroid.c b/sound/soc/samsung/odroid.c index 941e8c3f67a4..5b2bcd1d3450 100644 --- a/sound/soc/samsung/odroid.c +++ b/sound/soc/samsung/odroid.c @@ -149,6 +149,12 @@ static const struct snd_soc_ops odroid_card_be_ops = { .trigger = odroid_card_be_trigger, }; +/* DAPM routes for backward compatibility with old DTS */ +static const struct snd_soc_dapm_route odroid_dapm_routes[] = { + { "I2S Playback", NULL, "Mixer DAI TX" }, + { "HiFi Playback", NULL, "Mixer DAI TX" }, +}; + static struct snd_soc_dai_link odroid_card_dais[] = { { /* Primary FE <-> BE link */ @@ -237,11 +243,15 @@ static int odroid_audio_probe(struct platform_device *pdev) /* * For backwards compatibility create the secondary CPU DAI link only * if there are 2 CPU DAI entries in the cpu sound-dai property in DT. + * Also add required DAPM routes not available in old DTS. */ num_pcms = of_count_phandle_with_args(cpu, "sound-dai", "#sound-dai-cells"); - if (num_pcms == 1) + if (num_pcms == 1) { + card->dapm_routes = odroid_dapm_routes; + card->num_dapm_routes = ARRAY_SIZE(odroid_dapm_routes); card->num_links--; + } for (i = 0; i < num_pcms; i++, link += 2) { ret = of_parse_phandle_with_args(cpu, "sound-dai", -- 2.17.1
