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authorHans de Goede <[email protected]>2022-11-03 11:31:43 -0700
committerDmitry Torokhov <[email protected]>2022-11-03 12:49:35 -0700
commitc7e37cc6240767f794678d11704935d49cc81d59 (patch)
treedd6dd76c8f903a1f8b3a5cc4435fca2906f3dfbd /scripts/gcc-plugins/structleak_plugin.c
parenta01aca4b05174b6dee2392ec44406f85e0f8bd46 (diff)
Input: goodix - try resetting the controller when no config is set
On ACPI systems (irq_pin_access_method == IRQ_PIN_ACCESS_ACPI_*) the driver does not reset the controller at probe time, because sometimes the system firmware loads a config and resetting might loose this config. On the Nanote UMPC-01 device OTOH the config is in flash of the controller, the controller needs a reset to load this; and the system firmware does not reset the controller on a cold boot. To fix the Nanote UMPC-01 touchscreen not working on a cold boot, try resetting the controller and then re-reading the config when encountering a config with 0 width/height/max_touch_num value and the controller has not already been reset by goodix_ts_probe(). This should be safe to do in general because normally we should never encounter a config with 0 width/height/max_touch_num. Doing this in general not only avoids the need for a DMI quirk, but also might help other systems. Signed-off-by: Hans de Goede <[email protected]> Reviewed-by: Bastien Nocera <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Dmitry Torokhov <[email protected]>
Diffstat (limited to 'scripts/gcc-plugins/structleak_plugin.c')
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