summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorSrinivas Kandagatla <srinivas.kandagatla@linaro.org>2016-09-06 12:57:43 +0300
committerMark Brown <broonie@kernel.org>2016-09-06 14:28:23 +0300
commit05f9033f74798aa27569ad7866b952ff51f83c26 (patch)
treeb74ffb260f7a1fe12315aa920c7ea16370871abb
parent1190300d03516d00f68abcb01bfab00835bc0ac5 (diff)
downloadlinux-05f9033f74798aa27569ad7866b952ff51f83c26.tar.xz
ASoC: qcom: apq8016-sbc: add support to routing via DT
This patch adds support to allow audio routing via Device Tree. This is mostly used to specify MICBIAS and other power supplies relation. Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org> Signed-off-by: Mark Brown <broonie@kernel.org>
-rw-r--r--Documentation/devicetree/bindings/sound/qcom,apq8016-sbc.txt30
-rw-r--r--sound/soc/qcom/apq8016_sbc.c9
2 files changed, 39 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/sound/qcom,apq8016-sbc.txt b/Documentation/devicetree/bindings/sound/qcom,apq8016-sbc.txt
index 48129368d4d9..d9d8635ff94c 100644
--- a/Documentation/devicetree/bindings/sound/qcom,apq8016-sbc.txt
+++ b/Documentation/devicetree/bindings/sound/qcom,apq8016-sbc.txt
@@ -16,6 +16,24 @@ Required properties:
* "spkr-iomux"
- qcom,model : Name of the sound card.
+- qcom,audio-routing : A list of the connections between audio components.
+ Each entry is a pair of strings, the first being the
+ connection's sink, the second being the connection's
+ source. Valid names could be power supplies, MicBias
+ of msm8x16_wcd codec and the jacks on the board:
+
+ Power supplies:
+ * MIC BIAS External1
+ * MIC BIAS External2
+ * MIC BIAS Internal1
+ * MIC BIAS Internal2
+
+ Board connectors:
+ * Headset Mic
+ * Secondary Mic",
+ * DMIC
+ * Ext Spk
+
Dai-link subnode properties and subnodes:
Required dai-link subnodes:
@@ -37,6 +55,18 @@ sound: sound {
reg-names = "mic-iomux", "spkr-iomux";
qcom,model = "DB410c";
+ qcom,audio-routing =
+ "MIC BIAS External1", "Handset Mic",
+ "MIC BIAS Internal2", "Headset Mic",
+ "MIC BIAS External1", "Secondary Mic",
+ "AMIC1", "MIC BIAS External1",
+ "AMIC2", "MIC BIAS Internal2",
+ "AMIC3", "MIC BIAS External1",
+ "DMIC1", "MIC BIAS Internal1",
+ "MIC BIAS Internal1", "Digital Mic1",
+ "DMIC2", "MIC BIAS Internal1",
+ "MIC BIAS Internal1", "Digital Mic2";
+
/* I2S - Internal codec */
internal-dai-link@0 {
cpu { /* PRIMARY */
diff --git a/sound/soc/qcom/apq8016_sbc.c b/sound/soc/qcom/apq8016_sbc.c
index 5c3ccf3f8fdf..07f91e918b23 100644
--- a/sound/soc/qcom/apq8016_sbc.c
+++ b/sound/soc/qcom/apq8016_sbc.c
@@ -85,6 +85,15 @@ static struct apq8016_sbc_data *apq8016_sbc_parse_of(struct snd_soc_card *card)
return ERR_PTR(ret);
}
+ /* DAPM routes */
+ if (of_property_read_bool(node, "qcom,audio-routing")) {
+ ret = snd_soc_of_parse_audio_routing(card,
+ "qcom,audio-routing");
+ if (ret)
+ return ERR_PTR(ret);
+ }
+
+
/* Populate links */
num_links = of_get_child_count(node);