linux-kernel - [PATCH v3 1/2] ASoC: gtm601: add Broadmobi bm818 sound profile

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Message-Id: <20191219210944.18256-2-angus@akkea.ca>
Date:   Thu, 19 Dec 2019 13:09:43 -0800
From:   "Angus Ainslie (Purism)" <angus@...ea.ca>
To:     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 v3 1/2] ASoC: 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 | 31 +++++++++++++++++++++++++++----
 1 file changed, 27 insertions(+), 4 deletions(-)

diff --git a/sound/soc/codecs/gtm601.c b/sound/soc/codecs/gtm601.c
index d454294c8d06..3374362741a6 100644
--- a/sound/soc/codecs/gtm601.c
+++ b/sound/soc/codecs/gtm601.c
@@ -13,7 +13,7 @@
 #include <linux/slab.h>
 #include <linux/module.h>
 #include <linux/kernel.h>
-#include <linux/device.h>
+#include <linux/of_device.h>
 #include <sound/core.h>
 #include <sound/pcm.h>
 #include <sound/initval.h>
@@ -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),
@@ -60,13 +78,18 @@ static const struct snd_soc_component_driver soc_component_dev_gtm601 = {
 
 static int gtm601_platform_probe(struct platform_device *pdev)
 {
+	struct snd_soc_dai_driver *dai_driver;
+
+	dai_driver = of_device_get_match_data(&pdev->dev);
+
 	return devm_snd_soc_register_component(&pdev->dev,
-			&soc_component_dev_gtm601, &gtm601_dai, 1);
+			&soc_component_dev_gtm601, dai_driver, 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);
-- 
2.17.1