diff options
Diffstat (limited to 'sound/soc/codecs/bt-sco.c')
-rw-r--r-- | sound/soc/codecs/bt-sco.c | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/sound/soc/codecs/bt-sco.c b/sound/soc/codecs/bt-sco.c new file mode 100644 index 000000000..e7238b890 --- /dev/null +++ b/sound/soc/codecs/bt-sco.c @@ -0,0 +1,90 @@ +/* + * Driver for generic Bluetooth SCO link + * Copyright 2011 Lars-Peter Clausen <lars@metafoo.de> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + */ + +#include <linux/init.h> +#include <linux/module.h> +#include <linux/platform_device.h> + +#include <sound/soc.h> + +static const struct snd_soc_dapm_widget bt_sco_widgets[] = { + SND_SOC_DAPM_INPUT("RX"), + SND_SOC_DAPM_OUTPUT("TX"), +}; + +static const struct snd_soc_dapm_route bt_sco_routes[] = { + { "Capture", NULL, "RX" }, + { "TX", NULL, "Playback" }, +}; + +static struct snd_soc_dai_driver bt_sco_dai = { + .name = "bt-sco-pcm", + .playback = { + .stream_name = "Playback", + .channels_min = 1, + .channels_max = 1, + .rates = SNDRV_PCM_RATE_8000, + .formats = SNDRV_PCM_FMTBIT_S16_LE, + }, + .capture = { + .stream_name = "Capture", + .channels_min = 1, + .channels_max = 1, + .rates = SNDRV_PCM_RATE_8000, + .formats = SNDRV_PCM_FMTBIT_S16_LE, + }, +}; + +static struct snd_soc_codec_driver soc_codec_dev_bt_sco = { + .dapm_widgets = bt_sco_widgets, + .num_dapm_widgets = ARRAY_SIZE(bt_sco_widgets), + .dapm_routes = bt_sco_routes, + .num_dapm_routes = ARRAY_SIZE(bt_sco_routes), +}; + +static int bt_sco_probe(struct platform_device *pdev) +{ + return snd_soc_register_codec(&pdev->dev, &soc_codec_dev_bt_sco, + &bt_sco_dai, 1); +} + +static int bt_sco_remove(struct platform_device *pdev) +{ + snd_soc_unregister_codec(&pdev->dev); + + return 0; +} + +static struct platform_device_id bt_sco_driver_ids[] = { + { + .name = "dfbmcs320", + }, + { + .name = "bt-sco", + }, + {}, +}; +MODULE_DEVICE_TABLE(platform, bt_sco_driver_ids); + +static struct platform_driver bt_sco_driver = { + .driver = { + .name = "bt-sco", + }, + .probe = bt_sco_probe, + .remove = bt_sco_remove, + .id_table = bt_sco_driver_ids, +}; + +module_platform_driver(bt_sco_driver); + +MODULE_AUTHOR("Lars-Peter Clausen <lars@metafoo.de>"); +MODULE_DESCRIPTION("ASoC generic bluetooth sco link driver"); +MODULE_LICENSE("GPL"); |