From 10399b22c1a0e0bbbf56460447e7e602737b0058 Mon Sep 17 00:00:00 2001 From: Noralf Trønnes Date: Wed, 10 Jan 2018 19:59:40 +0100 Subject: drm/tinydrm/mipi-dbi: Change reset active time MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit 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 Reviewed-by: David Lechner Tested-by: David Lechner Link: https://patchwork.freedesktop.org/patch/msgid/20180110185940.53841-8-noralf@tronnes.org --- drivers/gpu/drm/tinydrm/mipi-dbi.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers/gpu/drm/tinydrm') 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); } -- cgit v1.2.3