From 1e137d92c0c6f162d57ede1ba85c298acde26bdc Mon Sep 17 00:00:00 2001 From: =?utf8?q?Uwe=20Kleine-K=C3=B6nig?= Date: Tue, 18 Aug 2015 05:31:10 -0300 Subject: [PATCH] [media] tc358743: make reset gpio optional MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Commit 256148246852 ("[media] tc358743: support probe from device tree") specified in the device tree binding documentation that the reset gpio is optional. Make the implementation match accordingly. Signed-off-by: Uwe Kleine-König Reviewed-by: Linus Walleij Acked-by: Philipp Zabel Signed-off-by: Mauro Carvalho Chehab --- drivers/media/i2c/tc358743.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/drivers/media/i2c/tc358743.c b/drivers/media/i2c/tc358743.c index a4efb6e2e7a2..7a6fdecc7215 100644 --- a/drivers/media/i2c/tc358743.c +++ b/drivers/media/i2c/tc358743.c @@ -1782,14 +1782,16 @@ static int tc358743_probe_of(struct tc358743_state *state) state->pdata.ths_trailcnt = 0x2; state->pdata.hstxvregcnt = 0; - state->reset_gpio = devm_gpiod_get(dev, "reset", GPIOD_OUT_LOW); + state->reset_gpio = devm_gpiod_get_optional(dev, "reset", + GPIOD_OUT_LOW); if (IS_ERR(state->reset_gpio)) { dev_err(dev, "failed to get reset gpio\n"); ret = PTR_ERR(state->reset_gpio); goto disable_clk; } - tc358743_gpio_reset(state); + if (state->reset_gpio) + tc358743_gpio_reset(state); ret = 0; goto free_endpoint; -- 2.20.1