HID: intel-ish-hid: ipc: make ish suspend paths clear
authorZhang Lixu <lixu.zhang@intel.com>
Thu, 8 Aug 2019 10:21:12 +0000 (18:21 +0800)
committerJiri Kosina <jkosina@suse.cz>
Mon, 19 Aug 2019 12:01:50 +0000 (14:01 +0200)
commit2db8edaa88c1208f7346c65041120081e2434d2a
tree92498be4620a98973a9f02997d922ff51a997927
parentc1ca58f6982bb815c27a4a75f0f430f87b624f66
HID: intel-ish-hid: ipc: make ish suspend paths clear

For suspend-to-idle, send suspend message and set N0_D3 flag to put
the ISH into D0i3 state.
For suspend-to-mem, disable the DMA bit before ISH entering D3, and
NO_D3 flag is cleared by default, then the ISH would enter D3.

Signed-off-by: Zhang Lixu <lixu.zhang@intel.com>
Acked-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
drivers/hid/intel-ish-hid/ipc/pci-ish.c