The MIPI DBI spec states that reset active/low time should be more
than 9us. Change from 20ms to 20us.
Signed-off-by: Noralf Trønnes <nor...@tronnes.org>
---
drivers/gpu/drm/tinydrm/mipi-dbi.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/tinydrm/mipi-dbi.c
b/drivers/gpu/drm/tinydrm/mipi-dbi.c
index 6798b4837441..75dd65c57e74 100644
--- a/drivers/gpu/drm/tinydrm/mipi-dbi.c
+++ b/drivers/gpu/drm/tinydrm/mipi-dbi.c
@@ -414,7 +414,7 @@ void mipi_dbi_hw_reset(struct mipi_dbi *mipi)
return;
gpiod_set_value_cansleep(mipi->reset, 0);
- msleep(20);
+ usleep_range(20, 1000);
gpiod_set_value_cansleep(mipi->reset, 1);
msleep(120);
}
--
2.15.1
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