diff options
Diffstat (limited to 'include/media/v4l2-subdev.h')
| -rw-r--r-- | include/media/v4l2-subdev.h | 33 |
1 files changed, 21 insertions, 12 deletions
diff --git a/include/media/v4l2-subdev.h b/include/media/v4l2-subdev.h index 8040db3d62bf..3b80e8537198 100644 --- a/include/media/v4l2-subdev.h +++ b/include/media/v4l2-subdev.h @@ -108,22 +108,31 @@ struct v4l2_decode_vbi_line { * not yet implemented) since ops provide proper type-checking. */ -/* Subdevice external IO pin configuration */ -#define V4L2_SUBDEV_IO_PIN_DISABLE (1 << 0) /* ENABLE assumed */ -#define V4L2_SUBDEV_IO_PIN_OUTPUT (1 << 1) -#define V4L2_SUBDEV_IO_PIN_INPUT (1 << 2) -#define V4L2_SUBDEV_IO_PIN_SET_VALUE (1 << 3) /* Set output value */ -#define V4L2_SUBDEV_IO_PIN_ACTIVE_LOW (1 << 4) /* ACTIVE HIGH assumed */ +/** + * enum v4l2_subdev_io_pin_bits - Subdevice external IO pin configuration + * bits + * + * @V4L2_SUBDEV_IO_PIN_DISABLE: disables a pin config. ENABLE assumed. + * @V4L2_SUBDEV_IO_PIN_OUTPUT: set it if pin is an output. + * @V4L2_SUBDEV_IO_PIN_INPUT: set it if pin is an input. + * @V4L2_SUBDEV_IO_PIN_SET_VALUE: to set the output value via + * &struct v4l2_subdev_io_pin_config->value. + * @V4L2_SUBDEV_IO_PIN_ACTIVE_LOW: pin active is bit 0. + * Otherwise, ACTIVE HIGH is assumed. + */ +enum v4l2_subdev_io_pin_bits { + V4L2_SUBDEV_IO_PIN_DISABLE = 0, + V4L2_SUBDEV_IO_PIN_OUTPUT = 1, + V4L2_SUBDEV_IO_PIN_INPUT = 2, + V4L2_SUBDEV_IO_PIN_SET_VALUE = 3, + V4L2_SUBDEV_IO_PIN_ACTIVE_LOW = 4, +}; /** * struct v4l2_subdev_io_pin_config - Subdevice external IO pin configuration * - * @flags: bitmask with flags for this pin's config: - * %V4L2_SUBDEV_IO_PIN_DISABLE - disables a pin config, - * %V4L2_SUBDEV_IO_PIN_OUTPUT - if pin is an output, - * %V4L2_SUBDEV_IO_PIN_INPUT - if pin is an input, - * %V4L2_SUBDEV_IO_PIN_SET_VALUE - to set the output value via @value - * and %V4L2_SUBDEV_IO_PIN_ACTIVE_LOW - if active is 0. + * @flags: bitmask with flags for this pin's config, whose bits are defined by + * &enum v4l2_subdev_io_pin_bits. * @pin: Chip external IO pin to configure * @function: Internal signal pad/function to route to IO pin * @value: Initial value for pin - e.g. GPIO output value |