]> git.ipfire.org Git - thirdparty/kernel/stable.git/commit
Input: cyttsp5 - ensure minimum reset pulse width
authorHugo Villeneuve <hvilleneuve@dimonoff.com>
Thu, 10 Apr 2025 18:46:32 +0000 (14:46 -0400)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Sun, 18 May 2025 06:24:05 +0000 (08:24 +0200)
commitdadbe33fee36484bbf1d6b5e5dc2f9cf27693173
treee572f95b552752e8451a59139d3b20f1e12cb0d7
parentce4e826dbfe788abda09e1c790168ba4c0fdff0b
Input: cyttsp5 - ensure minimum reset pulse width

commit c6cb8bf79466ae66bd0d07338c7c505ce758e9d7 upstream.

The current reset pulse width is measured to be 5us on a
Renesas RZ/G2L SOM. The manufacturer's minimum reset pulse width is
specified as 10us.

Extend reset pulse width to make sure it is long enough on all platforms.

Also reword confusing comments about reset pin assertion.

Fixes: 5b0c03e24a06 ("Input: Add driver for Cypress Generation 5 touchscreen")
Cc: stable@vger.kernel.org
Acked-by: Alistair Francis <alistair@alistair23.me>
Signed-off-by: Hugo Villeneuve <hvilleneuve@dimonoff.com>
Link: https://lore.kernel.org/r/20250410184633.1164837-1-hugo@hugovil.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/input/touchscreen/cyttsp5.c