ALSA: hda: Add AZX_DCAPS_PM_RUNTIME for AMD Raven Ridge
authorKai-Heng Feng <kai.heng.feng@canonical.com>
Thu, 28 Jun 2018 07:28:24 +0000 (15:28 +0800)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 4 Oct 2018 00:00:51 +0000 (17:00 -0700)
[ Upstream commit 1adca4b0cd65c14cb8b8c9c257720385869c3d5f ]

This patch can make audio controller in AMD Raven Ridge gets runtime
suspended to D3, to save ~1W power when it's not in use.

Cc: Vijendar Mukunda <Vijendar.Mukunda@amd.com>
Signed-off-by: Kai-Heng Feng <kai.heng.feng@canonical.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
sound/pci/hda/hda_intel.c

index 22c13ad..873d982 100644 (file)
@@ -2510,7 +2510,8 @@ static const struct pci_device_id azx_ids[] = {
          .driver_data = AZX_DRIVER_GENERIC | AZX_DCAPS_PRESET_ATI_SB },
        /* AMD Raven */
        { PCI_DEVICE(0x1022, 0x15e3),
-         .driver_data = AZX_DRIVER_GENERIC | AZX_DCAPS_PRESET_ATI_SB },
+         .driver_data = AZX_DRIVER_GENERIC | AZX_DCAPS_PRESET_ATI_SB |
+                        AZX_DCAPS_PM_RUNTIME },
        /* ATI HDMI */
        { PCI_DEVICE(0x1002, 0x0002),
          .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS },