if EPSS supported, transition from D3 state to D0 state in less than 10ms

Signed-off-by: Wang Xingchao xingchao.wang@intel.com --- sound/pci/hda/hda_codec.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/sound/pci/hda/hda_codec.c b/sound/pci/hda/hda_codec.c index b89c8ec..2737fe7 100644 --- a/sound/pci/hda/hda_codec.c +++ b/sound/pci/hda/hda_codec.c @@ -3532,8 +3532,11 @@ static void hda_set_power_state(struct hda_codec *codec, hda_nid_t fg, }

/* this delay seems necessary to avoid click noise at power-down */ - if (power_state == AC_PWRST_D3) - msleep(100); + if (power_state == AC_PWRST_D3) { + /* transition time less than 10ms for power down */ + bool epss = snd_hda_codec_get_supported_ps(codec, fg, AC_PWRST_EPSS); + msleep(epss ? 10 : 100); + } snd_hda_codec_read(codec, fg, 0, AC_VERB_SET_POWER_STATE, power_state); snd_hda_codec_set_power_to_all(codec, fg, power_state, true);