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| author | Philippe Schenker <philippe.schenker@toradex.com> | 2019-09-23 18:06:24 +0200 |
|---|---|---|
| committer | Philippe Schenker <philippe.schenker@toradex.com> | 2019-09-24 15:38:10 +0200 |
| commit | ac2aca902096a3e8016b7fd9682241326c206a52 (patch) | |
| tree | d0f0f72dcd255b0cb1a8cdedc85479abdc9e94e6 /drivers/gpu | |
| parent | 152eef4471cab1f8bdf8c2502eb39a62c11cec12 (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>
Diffstat (limited to 'drivers/gpu')
| -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; |