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authorWerner Sembach <[email protected]>2024-01-04 19:31:17 +0100
committerDmitry Torokhov <[email protected]>2024-08-18 21:28:23 -0700
commit3d765ae2daccc570b3f4fbcb57eb321b12cdded2 (patch)
tree01f39adda68a5d987ce8ac7118cf507cb7029afd /drivers/usb/cdns3/cdns3-imx.c
parent7ce7c2283fa6843ab3c2adfeb83dcc504a107858 (diff)
Input: i8042 - add forcenorestore quirk to leave controller untouched even on s3
On s3 resume the i8042 driver tries to restore the controller to a known state by reinitializing things, however this can confuse the controller with different effects. Mostly occasionally unresponsive keyboards after resume. These issues do not rise on s0ix resume as here the controller is assumed to preserved its state from before suspend. This patch adds a quirk for devices where the reinitialization on s3 resume is not needed and might be harmful as described above. It does this by using the s0ix resume code path at selected locations. This new quirk goes beyond what the preexisting reset=never quirk does, which only skips some reinitialization steps. Signed-off-by: Werner Sembach <[email protected]> Cc: [email protected] Reviewed-by: Hans de Goede <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Dmitry Torokhov <[email protected]>
Diffstat (limited to 'drivers/usb/cdns3/cdns3-imx.c')
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