Re: [PATCH v3 0/2] hid-asus: asus-wmi: refactor Ally suspend/resume

From: Jiri Kosina
Date: Tue Mar 04 2025 - 15:56:36 EST


On Thu, 27 Feb 2025, Luke Jones wrote:

> This short series refactors the Ally suspend/resume functionality in the
> asus-wmi driver along with adding support for ROG Ally MCU version checking.
>
> The version checking is then used to toggle the use of older CSEE call hacks
> that were initially used to combat Ally suspend/wake issues arising from the MCU
> not clearing a particular flag on resume. ASUS have since corrected this
> especially for Linux in newer firmware versions.
>
> - hid-asus requests the MCU version and displays a warning if the version is
> older than the one that fixes the issue.
> - hid-asus awill also toggle the CSEE hack off, and mcu_powersave to on if the
> version is high enough.
>
> *Note: In review it was requested by Mario that I try strsep() for parsing
> the version. I did try this and a few variations but the result was much
> more code due to having to check more edge cases due to the input being
> raw bytes. In the end the cleaned up while loop proved more robust.
>
> - Changelog:
> + V2: https://lore.kernel.org/platform-driver-x86/20250226010129.32043-1-luke@xxxxxxxxxx/T/#t
> - Adjust warning message to explicitly mention suspend issues
> - Use switch/case block to set min_version
> - Set min_version to 0 by default and toggle hacks off
> + V3
> - Remove noise (excess pr_info)
> - Use kstrtoint, not kstrtolong
> - Use __free(kfree) for allocated mem and drop goto + logging
> - Use print_hex_dump() to show failed data after pr_err in mcu_request_version()
> - Use pr_debug in set_ally_mcu_hack() and set_ally_mcu_powersave() plus
> correct the message.
>
> Luke D. Jones (2):
> hid-asus: check ROG Ally MCU version and warn
> platform/x86: asus-wmi: Refactor Ally suspend/resume
>
> drivers/hid/hid-asus.c | 111 +++++++++++++++++-
> drivers/platform/x86/asus-wmi.c | 130 ++++++++++++++-------
> include/linux/platform_data/x86/asus-wmi.h | 15 +++
> 3 files changed, 215 insertions(+), 41 deletions(-)

Hans, are you OK taking both patches through your tree?

Thanks,

--
Jiri Kosina
SUSE Labs