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Diffstat (limited to 'Documentation/acpi/gpio.md')
| -rw-r--r-- | Documentation/acpi/gpio.md | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/Documentation/acpi/gpio.md b/Documentation/acpi/gpio.md index a3685b8cbb..d42042f36f 100644 --- a/Documentation/acpi/gpio.md +++ b/Documentation/acpi/gpio.md @@ -92,6 +92,7 @@ functions to return values. This means that the driver code should not make any assumptions about the values in Local5, Local6 and Local7 variables. +``` **Function** **Operation** **Return** acpigen_soc_read_rx_gpio Generate ACPI AML code to Error = -1 read value of Rx in Local0. Success = 0 @@ -101,6 +102,7 @@ variables. set Tx to 1. Success = 0 acpigen_soc_clear_tx_gpio Generate ACPI AML code to Error = -1 set Tx to 0. Success = 0 +``` Ideally, the operation column in the above table should use one or more functions implemented by the platform in AML code library (like |