[PATCH v4 1/2] ASoC: gtm601: add Broadmobi bm818 sound profile

From: Angus Ainslie (Purism)
Date: Mon Dec 23 2019 - 10:48:03 EST


The Broadmobi bm818 uses stereo sound at 48Khz sample rate

Signed-off-by: Angus Ainslie (Purism) <angus@xxxxxxxx>
---
sound/soc/codecs/gtm601.c | 30 +++++++++++++++++++++++++++---
1 file changed, 27 insertions(+), 3 deletions(-)

diff --git a/sound/soc/codecs/gtm601.c b/sound/soc/codecs/gtm601.c
index d454294c8d06..7f05ebcb88d1 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>
@@ -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 +78,19 @@ static const struct snd_soc_component_driver soc_component_dev_gtm601 = {

static int gtm601_platform_probe(struct platform_device *pdev)
{
+ const 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,
+ (struct snd_soc_dai_driver *)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