linux-kernel - [PATCH v2 1/2] sound: codecs: gtm601: add Broadmobi bm818 sound profile

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Date:   Sat, 14 Dec 2019 15:55:49 -0800
From:   "Angus Ainslie (Purism)" <angus@...ea.ca>
To:     Mark Brown <broonie@...nel.org>
Cc:     kernel@...i.sm, Liam Girdwood <lgirdwood@...il.com>,
        alsa-devel@...a-project.org, linux-kernel@...r.kernel.org,
        "Angus Ainslie (Purism)" <angus@...ea.ca>
Subject: [PATCH v2 1/2] sound: codecs: gtm601: add Broadmobi bm818 sound profile

The Broadmobi bm818 uses stereo sound at 48Khz sample rate

Signed-off-by: Angus Ainslie (Purism) <angus@...ea.ca>
---
 sound/soc/codecs/gtm601.c | 46 ++++++++++++++++++++++++++++++++-------
 1 file changed, 38 insertions(+), 8 deletions(-)

diff --git a/sound/soc/codecs/gtm601.c b/sound/soc/codecs/gtm601.c
index d454294c8d06..44cdbd016761 100644
--- a/sound/soc/codecs/gtm601.c
+++ b/sound/soc/codecs/gtm601.c
@@ -37,7 +37,7 @@ static struct snd_soc_dai_driver gtm601_dai = {
 		.channels_max = 1,
 		.rates = SNDRV_PCM_RATE_8000,
 		.formats = SNDRV_PCM_FMTBIT_S16_LE,
-		},
+	},
 	.capture = {
 		.stream_name = "Capture",
 		.channels_min = 1,
@@ -47,6 +47,24 @@ static struct snd_soc_dai_driver gtm601_dai = {
 	},
 };
 
+static struct snd_soc_dai_driver bm818_dai = {
+	.name = "bm818",
+	.playback = {
+		.stream_name = "Playback",
+		.channels_min = 2,
+		.channels_max = 2,
+		.rates = SNDRV_PCM_RATE_48000,
+		.formats = SNDRV_PCM_FMTBIT_S16_LE,
+	},
+	.capture = {
+		.stream_name = "Capture",
+		.channels_min = 2,
+		.channels_max = 2,
+		.rates = SNDRV_PCM_RATE_48000,
+		.formats = SNDRV_PCM_FMTBIT_S16_LE,
+	},
+};
+
 static const struct snd_soc_component_driver soc_component_dev_gtm601 = {
 	.dapm_widgets		= gtm601_dapm_widgets,
 	.num_dapm_widgets	= ARRAY_SIZE(gtm601_dapm_widgets),
@@ -58,20 +76,32 @@ static const struct snd_soc_component_driver soc_component_dev_gtm601 = {
 	.non_legacy_dai_naming	= 1,
 };
 
-static int gtm601_platform_probe(struct platform_device *pdev)
-{
-	return devm_snd_soc_register_component(&pdev->dev,
-			&soc_component_dev_gtm601, &gtm601_dai, 1);
-}
-
 #if defined(CONFIG_OF)
 static const struct of_device_id gtm601_codec_of_match[] = {
-	{ .compatible = "option,gtm601", },
+	{ .compatible = "option,gtm601", .data = (void *)&gtm601_dai },
+	{ .compatible = "broadmobi,bm818", .data = (void *)&bm818_dai },
 	{},
 };
 MODULE_DEVICE_TABLE(of, gtm601_codec_of_match);
 #endif
 
+static int gtm601_platform_probe(struct platform_device *pdev)
+{
+	struct device_node *np = pdev->dev.of_node;
+	struct snd_soc_dai_driver *dai_driver = &gtm601_dai;
+	const struct of_device_id *id;
+
+#if defined(CONFIG_OF)
+	if (np) {
+		id = of_match_node(gtm601_codec_of_match, pdev->dev.of_node);
+		dai_driver = id->data;
+	}
+#endif
+
+	return devm_snd_soc_register_component(&pdev->dev,
+			&soc_component_dev_gtm601, dai_driver, 1);
+}
+
 static struct platform_driver gtm601_codec_driver = {
 	.driver = {
 		.name = "gtm601",
-- 
2.17.1