From: Sjur Brændeland <[email protected]> Add a API for modem power control.
Signed-off-by: Sjur Brændeland <[email protected]> cc: Linus Walleij <[email protected]> cc: Arun Murthy <[email protected]> --- include/linux/modem_ctrl.h | 61 ++++++++++++++++++++++++++++++++++++++++++++ 1 files changed, 61 insertions(+), 0 deletions(-) create mode 100644 include/linux/modem_ctrl.h diff --git a/include/linux/modem_ctrl.h b/include/linux/modem_ctrl.h new file mode 100644 index 0000000..f6c537d --- /dev/null +++ b/include/linux/modem_ctrl.h @@ -0,0 +1,61 @@ +/* + * Copyright (C) ST-Ericsson AB 2012 + * Author: Sjur Brendeland / [email protected] + * + * License terms: GNU General Public License (GPL) version 2 + */ + +#ifndef __INC_MODEM_CTRL_H +#define __INC_MODEM_CTRL_H +#include <linux/types.h> + +struct modem_ctrl; + +/** + * modem_ctrl_get- Get the handle for the modem power control API. + * @modem_name: Name of the modem. + * + * Get a handle to the modem power control API providing + * functionality to for powering up and down the modem. + * + * This function may block. + * Returns zero on success, and negative upon error. + */ +struct modem_ctrl *modem_ctrl_get(const char *modem_name); + +/** + * modem_ctrl_put - Release the instance of the modem ctrl API. + * + * ctrl: The API handle return by modem_ctrl_get(). + * + * Releases the modem_ctrl API instance. + * This function may block. + * Returns zero on success, and negative upon error. + */ +void modem_ctrl_put(struct modem_ctrl *ctrl); + +/** + * modem_start() - Start the modem. + * + * @ctrl: The API handle return by modem_ctrl_get(). + * + * This function is used to start the modem. + * + * This function may block. + * Returns zero on success, and negative upon error. + */ +int modem_start(struct modem_ctrl *ctrl); + +/** + * modem_stop() - Stop the modem. + * + * @ctrl: The API handle return by modem_ctrl_get(). + * + * This function is used to stop the modem. + * + * This function may block. + * Returns zero on success, and negative upon error. + */ +int modem_stop(struct modem_ctrl *ctrl); + +#endif /*INC_MODEM_CTRL_H*/ -- 1.7.5.4 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
