diff options
| author | Thierry Reding <treding@nvidia.com> | 2014-03-14 11:03:47 (GMT) |
|---|---|---|
| committer | Thierry Reding <treding@nvidia.com> | 2014-04-04 07:06:39 (GMT) |
| commit | 15c1a919ae9c0a474c9cf4816d164ced5444292d (patch) | |
| tree | 6580b50979641e84a4093897cce713de8283ac5f /drivers/gpu | |
| parent | 887eb66e3ab2df12b09266724410a66c9400979a (diff) | |
| download | linux-15c1a919ae9c0a474c9cf4816d164ced5444292d.tar.xz | |
drm/panel: simple: Allow GPIO accesses to sleep
The enable GPIO for panels may be provided by GPIO expanders on slow
busses (such as I2C), and therefore toggling the GPIO may sleep. Since
these accesses don't happen in interrupt context, use the *_cansleep()
variants of the GPIO API.
Signed-off-by: Thierry Reding <treding@nvidia.com>
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/panel/panel-simple.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/gpu/drm/panel/panel-simple.c b/drivers/gpu/drm/panel/panel-simple.c index 71566d8..789c079 100644 --- a/drivers/gpu/drm/panel/panel-simple.c +++ b/drivers/gpu/drm/panel/panel-simple.c @@ -106,7 +106,7 @@ static int panel_simple_disable(struct drm_panel *panel) } if (p->enable_gpio) - gpiod_set_value(p->enable_gpio, 0); + gpiod_set_value_cansleep(p->enable_gpio, 0); regulator_disable(p->supply); p->enabled = false; @@ -129,7 +129,7 @@ static int panel_simple_enable(struct drm_panel *panel) } if (p->enable_gpio) - gpiod_set_value(p->enable_gpio, 1); + gpiod_set_value_cansleep(p->enable_gpio, 1); if (p->backlight) { p->backlight->props.power = FB_BLANK_UNBLANK; |