]> git.ipfire.org Git - thirdparty/kernel/stable.git/commit
iio: accel: mxc4005: Reset chip on probe() and resume()
authorHans de Goede <hdegoede@redhat.com>
Tue, 26 Mar 2024 11:37:00 +0000 (12:37 +0100)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Fri, 17 May 2024 10:15:03 +0000 (12:15 +0200)
commitf458bcfd26de924313fd1b96f671d8feaed6431c
treefd4c016b18efec4a06ebc2e145d86362044a3bc3
parent2087ae77c79f963c7112c0befc74fe7461f52df8
iio: accel: mxc4005: Reset chip on probe() and resume()

commit 6b8cffdc4a31e4a72f75ecd1bc13fbf0dafee390 upstream.

On some designs the chip is not properly reset when powered up at boot or
after a suspend/resume cycle.

Use the sw-reset feature to ensure that the chip is in a clean state
after probe() / resume() and in the case of resume() restore the settings
(scale, trigger-enabled).

Closes: https://bugzilla.kernel.org/show_bug.cgi?id=218578
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20240326113700.56725-3-hdegoede@redhat.com
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/iio/accel/mxc4005.c