linux/drivers/media/usb/as102/as10x_cmd_cfg.c

// SPDX-License-Identifier: GPL-2.0-or-later
/*
 * Abilis Systems Single DVB-T Receiver
 * Copyright (C) 2008 Pierrick Hascoet <[email protected]>
 */

#include <linux/kernel.h>
#include "as102_drv.h"
#include "as10x_cmd.h"

/***************************/
/* FUNCTION DEFINITION     */
/***************************/

/**
 * as10x_cmd_get_context - Send get context command to AS10x
 * @adap:      pointer to AS10x bus adapter
 * @tag:       context tag
 * @pvalue:    pointer where to store context value read
 *
 * Return 0 on success or negative value in case of error.
 */
int as10x_cmd_get_context(struct as10x_bus_adapter_t *adap, uint16_t tag,
			  uint32_t *pvalue)
{ … }

/**
 * as10x_cmd_set_context - send set context command to AS10x
 * @adap:      pointer to AS10x bus adapter
 * @tag:       context tag
 * @value:     value to set in context
 *
 * Return 0 on success or negative value in case of error.
 */
int as10x_cmd_set_context(struct as10x_bus_adapter_t *adap, uint16_t tag,
			  uint32_t value)
{ … }

/**
 * as10x_cmd_eLNA_change_mode - send eLNA change mode command to AS10x
 * @adap:      pointer to AS10x bus adapter
 * @mode:      mode selected:
 *		- ON    : 0x0 => eLNA always ON
 *		- OFF   : 0x1 => eLNA always OFF
 *		- AUTO  : 0x2 => eLNA follow hysteresis parameters
 *				 to be ON or OFF
 *
 * Return 0 on success or negative value in case of error.
 */
int as10x_cmd_eLNA_change_mode(struct as10x_bus_adapter_t *adap, uint8_t mode)
{ … }

/**
 * as10x_context_rsp_parse - Parse context command response
 * @prsp:       pointer to AS10x command response buffer
 * @proc_id:    id of the command
 *
 * Since the contex command response does not follow the common
 * response, a specific parse function is required.
 * Return 0 on success or negative value in case of error.
 */
int as10x_context_rsp_parse(struct as10x_cmd_t *prsp, uint16_t proc_id)
{ … }