Re: [PATCH v3 7/7] drm/tinydrm/mipi-dbi: Change reset active time

On 01/10/2018 12:59 PM, Noralf Trønnes wrote:

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 noralf@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); }

Reviewed-by: David Lechner david@lechnology.com Tested-by: David Lechner david@lechnology.com