[alsa-devel] [PATCH v2] ASoC: bt-sco: support wide band speech

[Barry Song]

From: Yibo Cai <Yibo.Cai at csr.com>

HFP1.6 requires support for wide band speech(16KHz) over Bluetooth.

Signed-off-by: Yibo Cai <Yibo.Cai at csr.com>
Signed-off-by: Barry Song <Baohua.Song at csr.com>
---
 sound/soc/codecs/bt-sco.c | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/sound/soc/codecs/bt-sco.c b/sound/soc/codecs/bt-sco.c
index c4cf069..3878491 100644
--- a/sound/soc/codecs/bt-sco.c
+++ b/sound/soc/codecs/bt-sco.c
@@ -52,6 +52,14 @@ static struct snd_soc_codec_driver soc_codec_dev_bt_sco = {
 
 static int bt_sco_probe(struct platform_device *pdev)
 {
+	const struct platform_device_id *id = platform_get_device_id(pdev);
+
+	/* Check wide band SCO(16KHz) support */
+	if (id && (strcmp(id->name, "bt-sco-wb") == 0)) {
+		bt_sco_dai.playback.rates |= SNDRV_PCM_RATE_16000;
+		bt_sco_dai.capture.rates |= SNDRV_PCM_RATE_16000;
+	}
+
 	return snd_soc_register_codec(&pdev->dev, &soc_codec_dev_bt_sco,
 			&bt_sco_dai, 1);
 }
@@ -70,6 +78,9 @@ static struct platform_device_id bt_sco_driver_ids[] = {
 	{
 		.name		= "bt-sco",
 	},
+	{
+		.name		= "bt-sco-wb",
+	},
 	{},
 };
 MODULE_DEVICE_TABLE(platform, bt_sco_driver_ids);
-- 
2.1.3