diff options
| author | Johan Hovold <jhovold@gmail.com> | 2014-01-02 22:49:25 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2014-01-03 21:42:24 +0100 |
| commit | 2534be34c9f728759e7e7ba69bab9d3a5cbb5984 (patch) | |
| tree | 3a0088810d136b910f7eabaaad886ee3f1c8e098 /drivers/usb/serial | |
| parent | USB: cypress_m8: fix ring-indicator detection and reporting (diff) | |
| download | linux-2534be34c9f728759e7e7ba69bab9d3a5cbb5984.tar.xz linux-2534be34c9f728759e7e7ba69bab9d3a5cbb5984.zip | |
USB: cypress_m8: clean up protocol definitions
Clean up protocol definitions.
Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/serial')
| -rw-r--r-- | drivers/usb/serial/cypress_m8.h | 29 |
1 files changed, 16 insertions, 13 deletions
diff --git a/drivers/usb/serial/cypress_m8.h b/drivers/usb/serial/cypress_m8.h index ce13e61b7d55..68bfd5197a63 100644 --- a/drivers/usb/serial/cypress_m8.h +++ b/drivers/usb/serial/cypress_m8.h @@ -55,19 +55,22 @@ #define CT_GENERIC 0x0F /* End of chiptype definitions */ -/* RS-232 serial data communication protocol definitions */ -/* these are sent / read at byte 0 of the input/output hid reports */ -/* You can find these values defined in the CY4601 USB to Serial design notes */ - -#define CONTROL_DTR 0x20 /* data terminal ready - flow control - host to device */ -#define UART_DSR 0x20 /* data set ready - flow control - device to host */ -#define CONTROL_RTS 0x10 /* request to send - flow control - host to device */ -#define UART_CTS 0x10 /* clear to send - flow control - device to host */ -#define UART_RI 0x80 /* ring indicator - modem - device to host */ -#define UART_CD 0x40 /* carrier detect - modem - device to host */ -#define CYP_ERROR 0x08 /* received from input report - device to host */ -/* Note - the below has nothing to do with the "feature report" reset */ -#define CONTROL_RESET 0x08 /* sent with output report - host to device */ +/* + * RS-232 serial data communication protocol definitions. + * + * These are sent / read at byte 0 of the input/output hid reports. + * You can find these values defined in the CY4601 USB to Serial design notes. + */ + +#define CONTROL_DTR 0x20 /* data terminal ready */ +#define CONTROL_RTS 0x10 /* request to send */ +#define CONTROL_RESET 0x08 /* sent with output report */ + +#define UART_RI 0x80 /* ring indicator */ +#define UART_CD 0x40 /* carrier detect */ +#define UART_DSR 0x20 /* data set ready */ +#define UART_CTS 0x10 /* clear to send */ +#define CYP_ERROR 0x08 /* received from input report */ /* End of RS-232 protocol definitions */ |