On 02/01/18 23:28, Bjorn Andersson wrote:

On Thu 14 Dec 09:33 PST 2017, srinivas.kandagatla-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org wrote:

quoted

From: Srinivas Kandagatla <redacted>

This patch adds support to q6afe backend dais driver.

Isn't the list of backend DAIs platform-dependent?

dai links and connections between backend and front ends are platform 
dependent.

[..]

quoted

+static const struct snd_soc_dapm_widget hdmi_dapm_widgets[] = {
+	SND_SOC_DAPM_AIF_OUT("HDMI", "HDMI Playback", 0, 0, 0, 0),
+	SND_SOC_DAPM_OUTPUT("HDMI-RX"),
+};
+
+static const struct snd_soc_component_driver msm_dai_hdmi_q6_component = {

How will this look beyond HDMI? I'm having issues mapping this to
downstream.

ex:
For slimbus dais, we would have more entries of "struct 
snd_soc_dai_driver" in this file.

Basically these are the dais that are exposed by the dsp firmware.

Depending on the actually platform some of these dais would be setup 
accordingly.

quoted

+	.name		= "msm-dai-q6-hdmi",
+	.dapm_widgets = hdmi_dapm_widgets,
+	.num_dapm_widgets = ARRAY_SIZE(hdmi_dapm_widgets),
+	.controls = hdmi_config_controls,
+	.num_controls = ARRAY_SIZE(hdmi_config_controls),
+	.dapm_routes = hdmi_dapm_routes,
+	.num_dapm_routes = ARRAY_SIZE(hdmi_dapm_routes),
+};
+

Regards,
Bjorn

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