]> asedeno.scripts.mit.edu Git - linux.git/commit
ACPI: LPSS: Add LNXVIDEO -> BYT I2C1 to lpss_device_links
authorHans de Goede <hdegoede@redhat.com>
Thu, 24 Oct 2019 21:57:22 +0000 (23:57 +0200)
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>
Fri, 25 Oct 2019 09:46:01 +0000 (11:46 +0200)
commitb3b3519c04bdff91651d0a6deb79dbd4516b5d7b
tree7b4f46e288111025cb26fcdc2c6047cb98ff9e5a
parentcc18735f208565343a9824adeca5305026598550
ACPI: LPSS: Add LNXVIDEO -> BYT I2C1 to lpss_device_links

Various Asus Bay Trail devices (T100TA, T100CHI, T200TA) have an embedded
controller connected to I2C1 and the iGPU (LNXVIDEO) _PS0/_PS3 methods
access it, so we need to add a consumer link from LNXVIDEO to I2C1 on
these devices to avoid suspend/resume ordering problems.

Fixes: 2d71ee0ce72f ("ACPI / LPSS: Add a device link from the GPU to the BYT I2C5 controller")
Tested-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Cc: 4.20+ <stable@vger.kernel.org> # 4.20+
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
drivers/acpi/acpi_lpss.c