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Diffstat (limited to 'sound/soc/intel/boards/sof_sdw_cs_amp.c')
-rw-r--r--sound/soc/intel/boards/sof_sdw_cs_amp.c47
1 files changed, 47 insertions, 0 deletions
diff --git a/sound/soc/intel/boards/sof_sdw_cs_amp.c b/sound/soc/intel/boards/sof_sdw_cs_amp.c
new file mode 100644
index 000000000000..98f6546f484b
--- /dev/null
+++ b/sound/soc/intel/boards/sof_sdw_cs_amp.c
@@ -0,0 +1,47 @@
+// SPDX-License-Identifier: GPL-2.0-only
+// Copyright (c) 2023 Intel Corporation
+
+/*
+ * sof_sdw_cs_amp - Helpers to handle CS35L56 from generic machine driver
+ */
+
+#include <linux/device.h>
+#include <linux/errno.h>
+#include <sound/soc.h>
+#include <sound/soc-acpi.h>
+#include "sof_sdw_common.h"
+
+#define CODEC_NAME_SIZE 8
+
+static int cs_spk_init(struct snd_soc_pcm_runtime *rtd)
+{
+ const char *dai_name = rtd->dai_link->codecs->dai_name;
+ struct snd_soc_card *card = rtd->card;
+ char codec_name[CODEC_NAME_SIZE];
+
+ snprintf(codec_name, CODEC_NAME_SIZE, "%s", dai_name);
+ card->components = devm_kasprintf(card->dev, GFP_KERNEL,
+ "%s spk:%s",
+ card->components, codec_name);
+ if (!card->components)
+ return -ENOMEM;
+
+ return 0;
+}
+
+
+int sof_sdw_cs_amp_init(struct snd_soc_card *card,
+ const struct snd_soc_acpi_link_adr *link,
+ struct snd_soc_dai_link *dai_links,
+ struct sof_sdw_codec_info *info,
+ bool playback)
+{
+ /* Count amp number and do init on playback link only. */
+ if (!playback)
+ return 0;
+
+ info->amp_num++;
+ dai_links->init = cs_spk_init;
+
+ return 0;
+}