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authorTakashi Iwai <tiwai@suse.de>2019-11-25 16:27:33 +0300
committerTakashi Iwai <tiwai@suse.de>2019-11-25 16:27:41 +0300
commit09578eacaaa44149738267083ccc050990409f86 (patch)
treecf614ee065fe5479e4638abebe12c9e1578b09d9 /sound/soc/sof/intel/hda-dsp.c
parentc6b6fc206586cc07a18595d2a3d815a806a057d0 (diff)
parent8c4d2a0bfbd27d030e4652b714cd5a1598f3559b (diff)
downloadlinux-09578eacaaa44149738267083ccc050990409f86.tar.xz
Merge tag 'asoc-v5.5-2' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus
ASoC: More updates for v5.5 Some more development work for v5.5. Highlights include: - More cleanups from Morimoto-san. - Trigger word detection for RT5677. Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/soc/sof/intel/hda-dsp.c')
-rw-r--r--sound/soc/sof/intel/hda-dsp.c15
1 files changed, 15 insertions, 0 deletions
diff --git a/sound/soc/sof/intel/hda-dsp.c b/sound/soc/sof/intel/hda-dsp.c
index 8cd5ecc01b62..4a4d318f97ff 100644
--- a/sound/soc/sof/intel/hda-dsp.c
+++ b/sound/soc/sof/intel/hda-dsp.c
@@ -478,9 +478,16 @@ static int hda_resume(struct snd_sof_dev *sdev, bool runtime_resume)
int hda_dsp_resume(struct snd_sof_dev *sdev)
{
+ struct sof_intel_hda_dev *hda = sdev->pdata->hw_pdata;
struct pci_dev *pci = to_pci_dev(sdev->dev);
if (sdev->s0_suspend) {
+ /* restore L1SEN bit */
+ if (hda->l1_support_changed)
+ snd_sof_dsp_update_bits(sdev, HDA_DSP_HDA_BAR,
+ HDA_VS_INTEL_EM2,
+ HDA_VS_INTEL_EM2_L1SEN, 0);
+
/* restore and disable the system wakeup */
pci_restore_state(pci);
disable_irq_wake(pci->irq);
@@ -518,11 +525,19 @@ int hda_dsp_runtime_suspend(struct snd_sof_dev *sdev)
int hda_dsp_suspend(struct snd_sof_dev *sdev)
{
+ struct sof_intel_hda_dev *hda = sdev->pdata->hw_pdata;
struct hdac_bus *bus = sof_to_bus(sdev);
struct pci_dev *pci = to_pci_dev(sdev->dev);
int ret;
if (sdev->s0_suspend) {
+ /* enable L1SEN to make sure the system can enter S0Ix */
+ hda->l1_support_changed =
+ snd_sof_dsp_update_bits(sdev, HDA_DSP_HDA_BAR,
+ HDA_VS_INTEL_EM2,
+ HDA_VS_INTEL_EM2_L1SEN,
+ HDA_VS_INTEL_EM2_L1SEN);
+
/* enable the system waking up via IPC IRQ */
enable_irq_wake(pci->irq);
pci_save_state(pci);