diff options
| author | Manoj Gangwal <mgangwal@nvidia.com> | 2012-02-07 18:13:28 +0530 |
|---|---|---|
| committer | Rohan Somvanshi <rsomvanshi@nvidia.com> | 2012-02-16 06:36:09 -0800 |
| commit | d841fd7405a7508c57080e6af67246ade57e1526 (patch) | |
| tree | f44b723a72353be974e65eabf0413d26d51fad8b | |
| parent | 797e4e86e1002bb6579ff610aa5d1a0c17b4e176 (diff) | |
asoc: tegra: ALC5640 machine:Add BT Sco support
Changes made to add support of BT Sco for kai.
Bug 936626
Change-Id: If01fe20ed94cc5634b581554b668c744fd822fc3
Signed-off-by: Manoj Gangwal <mgangwal@nvidia.com>
Reviewed-on: http://git-master/r/83072
Reviewed-by: Sumit Bhattacharya <sumitb@nvidia.com>
Reviewed-by: Bharat Nihalani <bnihalani@nvidia.com>
| -rw-r--r-- | sound/soc/tegra/tegra_rt5640.c | 71 |
1 files changed, 70 insertions, 1 deletions
diff --git a/sound/soc/tegra/tegra_rt5640.c b/sound/soc/tegra/tegra_rt5640.c index 3801718045c9..7b4e31f74814 100644 --- a/sound/soc/tegra/tegra_rt5640.c +++ b/sound/soc/tegra/tegra_rt5640.c @@ -124,6 +124,61 @@ static int tegra_rt5640_hw_params(struct snd_pcm_substream *substream, return 0; } +static int tegra_bt_sco_hw_params(struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *params) +{ + struct snd_soc_pcm_runtime *rtd = substream->private_data; + struct snd_soc_dai *cpu_dai = rtd->cpu_dai; + struct snd_soc_card *card = rtd->card; + struct tegra_rt5640 *machine = snd_soc_card_get_drvdata(card); + int srate, mclk, min_mclk; + int err; + + srate = params_rate(params); + switch (srate) { + case 11025: + case 22050: + case 44100: + case 88200: + mclk = 11289600; + break; + case 8000: + case 16000: + case 32000: + case 48000: + case 64000: + case 96000: + mclk = 12288000; + break; + default: + return -EINVAL; + } + min_mclk = 64 * srate; + + err = tegra_asoc_utils_set_rate(&machine->util_data, srate, mclk); + if (err < 0) { + if (!(machine->util_data.set_mclk % min_mclk)) + mclk = machine->util_data.set_mclk; + else { + dev_err(card->dev, "Can't configure clocks\n"); + return err; + } + } + + tegra_asoc_utils_lock_clk_rate(&machine->util_data, 1); + + err = snd_soc_dai_set_fmt(cpu_dai, + SND_SOC_DAIFMT_DSP_A | + SND_SOC_DAIFMT_NB_NF | + SND_SOC_DAIFMT_CBS_CFS); + if (err < 0) { + dev_err(card->dev, "cpu_dai fmt not set\n"); + return err; + } + + return 0; +} + static int tegra_spdif_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params) { @@ -184,6 +239,11 @@ static struct snd_soc_ops tegra_rt5640_ops = { .hw_free = tegra_hw_free, }; +static struct snd_soc_ops tegra_rt5640_bt_sco_ops = { + .hw_params = tegra_bt_sco_hw_params, + .hw_free = tegra_hw_free, +}; + static struct snd_soc_ops tegra_spdif_ops = { .hw_params = tegra_spdif_hw_params, .hw_free = tegra_hw_free, @@ -416,7 +476,7 @@ static struct snd_soc_dai_link tegra_rt5640_dai[] = { .codec_name = "rt5640.4-001c", .platform_name = "tegra-pcm-audio", .cpu_dai_name = "tegra30-i2s.1", - .codec_dai_name = "rt5640-aif2", + .codec_dai_name = "rt5640-aif1", .init = tegra_rt5640_init, .ops = &tegra_rt5640_ops, }, @@ -429,6 +489,15 @@ static struct snd_soc_dai_link tegra_rt5640_dai[] = { .codec_dai_name = "dit-hifi", .ops = &tegra_spdif_ops, }, + { + .name = "BT-SCO", + .stream_name = "BT SCO PCM", + .codec_name = "spdif-dit.1", + .platform_name = "tegra-pcm-audio", + .cpu_dai_name = "tegra30-i2s.4", + .codec_dai_name = "dit-hifi", + .ops = &tegra_rt5640_bt_sco_ops, + }, }; static struct snd_soc_card snd_soc_tegra_rt5640 = { |