diff options
| author | Manoj Gangwal <mgangwal@nvidia.com> | 2012-02-13 19:35:02 +0530 |
|---|---|---|
| committer | Rohan Somvanshi <rsomvanshi@nvidia.com> | 2012-02-16 06:44:31 -0800 |
| commit | d372efbc14f87b857823dab785331ca94084f2cf (patch) | |
| tree | b425d8c73cbdeb4ac92d3c070f47a8d48391b375 | |
| parent | d841fd7405a7508c57080e6af67246ade57e1526 (diff) | |
asoc: tegra: ALC5640 machine: Enable cdc_en regulator
Add support for cdc_en regulator on kai.
Bug 928574
Change-Id: I11590cbd5b7fc91238bde3c7dbe72736117d4457
Signed-off-by: Manoj Gangwal <mgangwal@nvidia.com>
Signed-off-by: Hao Tang <htang@nvidia.com>
Reviewed-on: http://git-master/r/83485
Reviewed-by: Rohan Somvanshi <rsomvanshi@nvidia.com>
Tested-by: Rohan Somvanshi <rsomvanshi@nvidia.com>
| -rw-r--r-- | sound/soc/tegra/tegra_rt5640.c | 23 |
1 files changed, 18 insertions, 5 deletions
diff --git a/sound/soc/tegra/tegra_rt5640.c b/sound/soc/tegra/tegra_rt5640.c index 7b4e31f74814..8735c149ba40 100644 --- a/sound/soc/tegra/tegra_rt5640.c +++ b/sound/soc/tegra/tegra_rt5640.c @@ -2,12 +2,10 @@ * tegra_rt5640.c - Tegra machine ASoC driver for boards using ALC5640 codec. * * Author: Johnny Qiu <joqiu@nvidia.com> - * Copyright (C) 2011 - NVIDIA, Inc. + * Copyright (C) 2011-2012, NVIDIA, Inc. * * Based on code copyright/by: * - * (c) 2009, 2010 Nvidia Graphics Pvt. Ltd. - * * Copyright 2007 Wolfson Microelectronics PLC. * Author: Graeme Gregory * graeme.gregory@wolfsonmicro.com or linux@wolfsonmicro.com @@ -65,6 +63,7 @@ struct tegra_rt5640 { struct tegra_rt5640_platform_data *pdata; struct regulator *spk_reg; struct regulator *dmic_reg; + struct regulator *cdc_en; int gpio_requested; #ifdef CONFIG_SWITCH int jack_status; @@ -87,9 +86,9 @@ static int tegra_rt5640_hw_params(struct snd_pcm_substream *substream, mclk = 256 * srate; err = tegra_asoc_utils_set_rate(&machine->util_data, srate, mclk); if (err < 0) { - if (!(machine->util_data.set_mclk % mclk)) + if (!(machine->util_data.set_mclk % mclk)) { mclk = machine->util_data.set_mclk; - else { + } else { dev_err(card->dev, "Can't configure clocks\n"); return err; } @@ -536,6 +535,15 @@ static __devinit int tegra_rt5640_driver_probe(struct platform_device *pdev) if (ret) goto err_free_machine; + machine->cdc_en = regulator_get(NULL, "cdc_en"); + if (WARN_ON(IS_ERR(machine->cdc_en))) { + dev_err(&pdev->dev, "Couldn't get regulator cdc_en: %ld\n", + PTR_ERR(machine->cdc_en)); + machine->cdc_en = 0; + } else { + regulator_enable(machine->cdc_en); + } + machine->spk_reg = regulator_get(&pdev->dev, "vdd_spk_amp"); if (IS_ERR(machine->spk_reg)) { dev_info(&pdev->dev, "No speaker regulator found\n"); @@ -607,6 +615,11 @@ static int __devexit tegra_rt5640_driver_remove(struct platform_device *pdev) if (machine->dmic_reg) regulator_put(machine->dmic_reg); + if (machine->cdc_en) { + regulator_disable(machine->cdc_en); + regulator_put(machine->cdc_en); + } + snd_soc_unregister_card(card); tegra_asoc_utils_fini(&machine->util_data); |