gpio: Add a reference to CEC on GPIO
This adds a pointer to the CEC GPIO driver from the GPIO list of examples of drivers on top of GPIO. Cc: linux-media@vger.kernel.org Acked-by: Hans Verkuil <hans.verkuil@cisco.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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@ -85,6 +85,10 @@ hardware descriptions such as device tree or ACPI:
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any other serio bus to the system and makes it possible to connect drivers
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any other serio bus to the system and makes it possible to connect drivers
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for e.g. keyboards and other PS/2 protocol based devices.
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for e.g. keyboards and other PS/2 protocol based devices.
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- cec-gpio: drivers/media/platform/cec-gpio/ is used to interact with a CEC
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Consumer Electronics Control bus using only GPIO. It is used to communicate
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with devices on the HDMI bus.
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Apart from this there are special GPIO drivers in subsystems like MMC/SD to
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Apart from this there are special GPIO drivers in subsystems like MMC/SD to
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read card detect and write protect GPIO lines, and in the TTY serial subsystem
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read card detect and write protect GPIO lines, and in the TTY serial subsystem
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to emulate MCTRL (modem control) signals CTS/RTS by using two GPIO lines. The
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to emulate MCTRL (modem control) signals CTS/RTS by using two GPIO lines. The
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