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| author | Philippe Schenker <philippe.schenker@toradex.com> | 2019-09-23 18:06:24 +0200 |
|---|---|---|
| committer | Marcel Ziswiler <marcel.ziswiler@toradex.com> | 2020-02-12 11:06:04 +0100 |
| commit | 4a971ce208971095ba47a516fc43d73193ceff9f (patch) | |
| tree | 90c1c90ba7e9e90629d93a2da91de180e7f97f57 | |
| parent | 31d5f2c0679b6b19728aa8a81de09431e180a35e (diff) | |
drm: lt8912: Change the way the hpd gpio os being accessed
This commit changes gpiod_get_value to gpiod_get_value_cansleep so it
doesn't crash when trying to access a GPIO from a gpio expander
over i2c.
Signed-off-by: Philippe Schenker <philippe.schenker@toradex.com>
| -rw-r--r-- | drivers/gpu/drm/bridge/lt8912.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/bridge/lt8912.c b/drivers/gpu/drm/bridge/lt8912.c index 54480f7124fa..547e5c03f83e 100644 --- a/drivers/gpu/drm/bridge/lt8912.c +++ b/drivers/gpu/drm/bridge/lt8912.c @@ -256,7 +256,7 @@ lt8912_connector_detect(struct drm_connector *connector, bool force) hpd = connector_status_unknown; do { hpd_last = hpd; - hpd = gpiod_get_value(lt->hpd_gpio) ? + hpd = gpiod_get_value_cansleep(lt->hpd_gpio) ? connector_status_connected : connector_status_disconnected; msleep(20); timeout += 20; |