linux-kernel - Re: [PATCH v2 0/3] HID: intel-ish-hid: support s2idle and s3 in ish

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Message-ID: <77a8df403934d85967dcdb221862c13e15c26112.camel@linux.intel.com>
Date:   Sun, 18 Aug 2019 19:52:23 -0700
From:   Srinivas Pandruvada <srinivas.pandruvada@...ux.intel.com>
To:     Zhang Lixu <lixu.zhang@...el.com>, linux-input@...r.kernel.org,
        jikos@...nel.org, benjamin.tissoires@...hat.com
Cc:     linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 0/3] HID: intel-ish-hid: support s2idle and s3 in
 ish_suspend()

On Thu, 2019-08-08 at 18:21 +0800, Zhang Lixu wrote:
> Currently, the NO_D3 flag is set in ish_probe(), the intel-ish-ipc
> driver
> puts the ISH into D0i3 when system enter both suspend-to-idle(S0ix)
> and
> suspend-to-mem(S3). These patches are to put the ISH into D3 when
> system
> enter S3 and put the ISH into D0i3 when system enter S0ix.
> 
> I tested these patches on the following platforms:
> ISH 5.2: ICL
> ISH 5.0: CNL CFL WHL CML
> ISH 4.0: GLK
> ISH 3.0: KBL
> 
> Test steps:
> * Run the IIO Sensor tool to read the accel_3d sensor data
> * Run cmd "echo mem > /sys/power/state" to suspend-to-mem
> * Press the keyboard to wake up OS.
> * Check if the tool can get the sensor data after OS resume.
> * Run cmd "echo freeze > /sys/power/state" to suspend-to-idle
> * Press the keyboard to wake up OS.
> * Check if the tool can get the sensor data after OS resume.
> 
> Test results:
> The tool can get the accel_3d sensor data after resuming from both
> suspend-to-mem and suspend-to-idle.
> 
> Changes from v1:
> * Fix the indentation issue
> * Elaborate the reason to remove the NO_D3 flag
> * Split the PATCH v1 to three changes, and try to minimize the lines
> change
> 
> Zhang Lixu (3):
>   HID: intel-ish-hid: ipc: set NO_D3 flag only when needed
>   HID: intel-ish-hid: ipc: make ish suspend paths clear
>   HID: intel-ish-hid: ipc: check the NO_D3 flag to distinguish resume
>     paths
> 

For the series:

Acked-by: Srinivas Pandruvada <srinivas.pandruvada@...ux.intel.com>


>  drivers/hid/intel-ish-hid/ipc/hw-ish.h  |  1 +
>  drivers/hid/intel-ish-hid/ipc/ipc.c     |  2 +-
>  drivers/hid/intel-ish-hid/ipc/pci-ish.c | 95 +++++++++++++++------
> ----
>  3 files changed, 61 insertions(+), 37 deletions(-)
>