I am not a big fan of the code partition you've selected.
+void sof_rt1015p_set_share_en_spk(void)
+{
+ /* Two amps share one en pin so there is only one device in acpi
+ * table
+ */
+ rt1015p_quirk |= RT1015P_SHARE_EN_SPK;
+}
This is a function now used in the machine driver, see below [1]
This adds a new interface between machine and realtek common code, which
we are trying to move to a module with well-defined APIs.
+void sof_rt1015p_dai_link(struct snd_soc_dai_link *link)
+{
+ link->codecs = rt1015p_dai_link_components;
+ if (rt1015p_quirk & RT1015P_SHARE_EN_SPK)
+ link->num_codecs = 1;
+ else
+ link->num_codecs = ARRAY_SIZE(rt1015p_dai_link_components);
+ link->init = rt1015p_init;
+ link->ops = &rt1015p_ops;
+}
+
+void sof_rt1015p_codec_conf(struct snd_soc_card *card)
+{
+ if (rt1015p_quirk & RT1015P_SHARE_EN_SPK)
+ return;
+
+ card->codec_conf = rt1015p_codec_confs;
+ card->num_configs = ARRAY_SIZE(rt1015p_codec_confs);
+}
could we not handle this quirk inside one of the two dai_link or
codec_conf functions above?
The machine driver does not care about this RT1015P_SHARE_EN_SPK quirk,
it's only used in those two functions so should be set in this scope.
There's no need to make it visible to the machine driver, is there?
+ /* setup amp quirk if any */
+ if (sof_rt5682_quirk & SOF_RT1015P_SPEAKER_AMP_PRESENT) {
+ /* There may be only one device instance if two amps
+ * sharing one en pin
+ */
+ if (!acpi_dev_present("RTL1015", "1", -1)) {
+ dev_dbg(&pdev->dev, "Device %s not exist\n",
+ RT1015P_DEV1_NAME);
+ sof_rt1015p_set_share_en_spk();
+ }
+ }
+
[1]
I see no problem using the _UID (Unique ID) to check if a second
amplifier is present or not. This seems to follow the ACPI spec Section
6.1.12, as long as "the _UID must be unique across all devices with
either a common _HID or _CID"
+ else if (sof_rt5682_quirk & SOF_RT1015P_SPEAKER_AMP_PRESENT)
+ sof_rt1015p_codec_conf(&sof_audio_card_rt5682);
