target/linux/bcm27xx/patches-5.15/950-0612-media-i2c-ov7251-Make-the-enable-GPIO-optional.patch

   1 From eece4bace6f1899fdbef6315f11e0ef9957fdc05 Mon Sep 17 00:00:00 2001
   2 From: Dave Stevenson <dave.stevenson@raspberrypi.com>
   3 Date: Tue, 14 Dec 2021 17:18:49 +0000
   4 Subject: [PATCH] media: i2c: ov7251: Make the enable GPIO optional.
   5
   6 Not all implementations wire up the enable GPIO and may just tie
   7 it to a supply rail.
   8 Make it optional.
   9
  10 Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
  11 ---
  12  drivers/media/i2c/ov7251.c | 3 ++-
  13  1 file changed, 2 insertions(+), 1 deletion(-)
  14
  15 --- a/drivers/media/i2c/ov7251.c
  16 +++ b/drivers/media/i2c/ov7251.c
  17 @@ -1334,7 +1334,8 @@ static int ov7251_probe(struct i2c_clien
  18                 return PTR_ERR(ov7251->analog_regulator);
  19         }
  20
  21 -       ov7251->enable_gpio = devm_gpiod_get(dev, "enable", GPIOD_OUT_HIGH);
  22 +       ov7251->enable_gpio = devm_gpiod_get_optional(dev, "enable",
  23 +                                                     GPIOD_OUT_HIGH);
  24         if (IS_ERR(ov7251->enable_gpio)) {
  25                 dev_err(dev, "cannot get enable gpio\n");
  26                 return PTR_ERR(ov7251->enable_gpio);