Name
vga_switcheroo_init_domain_pm_optimus_hdmi_audio —
helper for driver power control
Synopsis
int vga_switcheroo_init_domain_pm_optimus_hdmi_audio ( | struct device * dev, |
| | struct dev_pm_domain * domain); |
Arguments
dev
audio client device
domain
power domain
Description
Helper for GPUs whose power state is controlled by the driver's runtime pm.
When the audio device resumes, the GPU needs to be woken. This helper
augments the audio device's resume function to do that.
Return
0 on success, -EINVAL if no power management operations are
defined for this device.