diff options
Diffstat (limited to 'sound/soc/intel/boards/skl_hda_dsp_generic.c')
| -rw-r--r-- | sound/soc/intel/boards/skl_hda_dsp_generic.c | 33 |
1 files changed, 31 insertions, 2 deletions
diff --git a/sound/soc/intel/boards/skl_hda_dsp_generic.c b/sound/soc/intel/boards/skl_hda_dsp_generic.c index 3be764299ab0..79c8947f840b 100644 --- a/sound/soc/intel/boards/skl_hda_dsp_generic.c +++ b/sound/soc/intel/boards/skl_hda_dsp_generic.c @@ -1,4 +1,4 @@ -// SPDX-License-Identifier: GPL-2.0 +// SPDX-License-Identifier: GPL-2.0-only // Copyright(c) 2015-18 Intel Corporation. /* @@ -113,6 +113,8 @@ static char hda_soc_components[30]; #define IDISP_ROUTE_COUNT (IDISP_DAI_COUNT * 2) #define IDISP_CODEC_MASK 0x4 +#define HDA_CODEC_AUTOSUSPEND_DELAY_MS 1000 + static int skl_hda_fill_card_info(struct snd_soc_acpi_mach_params *mach_params) { struct snd_soc_card *card = &hda_soc_card; @@ -168,6 +170,29 @@ static int skl_hda_fill_card_info(struct snd_soc_acpi_mach_params *mach_params) return 0; } +static void skl_set_hda_codec_autosuspend_delay(struct snd_soc_card *card) +{ + struct snd_soc_pcm_runtime *rtd; + struct hdac_hda_priv *hda_pvt; + struct snd_soc_dai *dai; + + for_each_card_rtds(card, rtd) { + if (!strstr(rtd->dai_link->codecs->name, "ehdaudio")) + continue; + dai = asoc_rtd_to_codec(rtd, 0); + hda_pvt = snd_soc_component_get_drvdata(dai->component); + if (hda_pvt) { + /* + * all codecs are on the same bus, so it's sufficient + * to look up only the first one + */ + snd_hda_set_power_save(hda_pvt->codec.bus, + HDA_CODEC_AUTOSUSPEND_DELAY_MS); + break; + } + } +} + static int skl_hda_audio_probe(struct platform_device *pdev) { struct snd_soc_acpi_mach *mach; @@ -206,7 +231,11 @@ static int skl_hda_audio_probe(struct platform_device *pdev) hda_soc_card.components = hda_soc_components; } - return devm_snd_soc_register_card(&pdev->dev, &hda_soc_card); + ret = devm_snd_soc_register_card(&pdev->dev, &hda_soc_card); + if (!ret) + skl_set_hda_codec_autosuspend_delay(&hda_soc_card); + + return ret; } static struct platform_driver skl_hda_audio = { |