cregit-Linux how code gets into the kernel

Release 4.11 drivers/media/usb/as102/as10x_cmd_stream.c

/*
 * Abilis Systems Single DVB-T Receiver
 * Copyright (C) 2008 Pierrick Hascoet <pierrick.hascoet@abilis.com>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2, or (at your option)
 * any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 */

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

/**
 * as10x_cmd_add_PID_filter - send add filter command to AS10x
 * @adap:      pointer to AS10x bus adapter
 * @filter:    TSFilter filter for DVB-T
 *
 * Return 0 on success or negative value in case of error.
 */

int as10x_cmd_add_PID_filter(struct as10x_bus_adapter_t *adap, struct as10x_ts_filter *filter) { int error; struct as10x_cmd_t *pcmd, *prsp; pcmd = adap->cmd; prsp = adap->rsp; /* prepare command */ as10x_cmd_build(pcmd, (++adap->cmd_xid), sizeof(pcmd->body.add_pid_filter.req)); /* fill command */ pcmd->body.add_pid_filter.req.proc_id = cpu_to_le16(CONTROL_PROC_SETFILTER); pcmd->body.add_pid_filter.req.pid = cpu_to_le16(filter->pid); pcmd->body.add_pid_filter.req.stream_type = filter->type; if (filter->idx < 16) pcmd->body.add_pid_filter.req.idx = filter->idx; else pcmd->body.add_pid_filter.req.idx = 0xFF; /* send command */ if (adap->ops->xfer_cmd) { error = adap->ops->xfer_cmd(adap, (uint8_t *) pcmd, sizeof(pcmd->body.add_pid_filter.req) + HEADER_SIZE, (uint8_t *) prsp, sizeof(prsp->body.add_pid_filter.rsp) + HEADER_SIZE); } else { error = AS10X_CMD_ERROR; } if (error < 0) goto out; /* parse response */ error = as10x_rsp_parse(prsp, CONTROL_PROC_SETFILTER_RSP); if (error == 0) { /* Response OK -> get response data */ filter->idx = prsp->body.add_pid_filter.rsp.filter_id; } out: return error; }

Contributors

PersonTokensPropCommitsCommitProp
Pierrick Hascoet24996.51%150.00%
Sylwester Nawrocki93.49%150.00%
Total258100.00%2100.00%

/** * as10x_cmd_del_PID_filter - Send delete filter command to AS10x * @adap: pointer to AS10x bus adapte * @pid_value: PID to delete * * Return 0 on success or negative value in case of error. */
int as10x_cmd_del_PID_filter(struct as10x_bus_adapter_t *adap, uint16_t pid_value) { int error; struct as10x_cmd_t *pcmd, *prsp; pcmd = adap->cmd; prsp = adap->rsp; /* prepare command */ as10x_cmd_build(pcmd, (++adap->cmd_xid), sizeof(pcmd->body.del_pid_filter.req)); /* fill command */ pcmd->body.del_pid_filter.req.proc_id = cpu_to_le16(CONTROL_PROC_REMOVEFILTER); pcmd->body.del_pid_filter.req.pid = cpu_to_le16(pid_value); /* send command */ if (adap->ops->xfer_cmd) { error = adap->ops->xfer_cmd(adap, (uint8_t *) pcmd, sizeof(pcmd->body.del_pid_filter.req) + HEADER_SIZE, (uint8_t *) prsp, sizeof(prsp->body.del_pid_filter.rsp) + HEADER_SIZE); } else { error = AS10X_CMD_ERROR; } if (error < 0) goto out; /* parse response */ error = as10x_rsp_parse(prsp, CONTROL_PROC_REMOVEFILTER_RSP); out: return error; }

Contributors

PersonTokensPropCommitsCommitProp
Pierrick Hascoet17395.05%150.00%
Sylwester Nawrocki94.95%150.00%
Total182100.00%2100.00%

/** * as10x_cmd_start_streaming - Send start streaming command to AS10x * @adap: pointer to AS10x bus adapter * * Return 0 on success or negative value in case of error. */
int as10x_cmd_start_streaming(struct as10x_bus_adapter_t *adap) { int error; struct as10x_cmd_t *pcmd, *prsp; pcmd = adap->cmd; prsp = adap->rsp; /* prepare command */ as10x_cmd_build(pcmd, (++adap->cmd_xid), sizeof(pcmd->body.start_streaming.req)); /* fill command */ pcmd->body.start_streaming.req.proc_id = cpu_to_le16(CONTROL_PROC_START_STREAMING); /* send command */ if (adap->ops->xfer_cmd) { error = adap->ops->xfer_cmd(adap, (uint8_t *) pcmd, sizeof(pcmd->body.start_streaming.req) + HEADER_SIZE, (uint8_t *) prsp, sizeof(prsp->body.start_streaming.rsp) + HEADER_SIZE); } else { error = AS10X_CMD_ERROR; } if (error < 0) goto out; /* parse response */ error = as10x_rsp_parse(prsp, CONTROL_PROC_START_STREAMING_RSP); out: return error; }

Contributors

PersonTokensPropCommitsCommitProp
Pierrick Hascoet15594.51%150.00%
Sylwester Nawrocki95.49%150.00%
Total164100.00%2100.00%

/** * as10x_cmd_stop_streaming - Send stop streaming command to AS10x * @adap: pointer to AS10x bus adapter * * Return 0 on success or negative value in case of error. */
int as10x_cmd_stop_streaming(struct as10x_bus_adapter_t *adap) { int8_t error; struct as10x_cmd_t *pcmd, *prsp; pcmd = adap->cmd; prsp = adap->rsp; /* prepare command */ as10x_cmd_build(pcmd, (++adap->cmd_xid), sizeof(pcmd->body.stop_streaming.req)); /* fill command */ pcmd->body.stop_streaming.req.proc_id = cpu_to_le16(CONTROL_PROC_STOP_STREAMING); /* send command */ if (adap->ops->xfer_cmd) { error = adap->ops->xfer_cmd(adap, (uint8_t *) pcmd, sizeof(pcmd->body.stop_streaming.req) + HEADER_SIZE, (uint8_t *) prsp, sizeof(prsp->body.stop_streaming.rsp) + HEADER_SIZE); } else { error = AS10X_CMD_ERROR; } if (error < 0) goto out; /* parse response */ error = as10x_rsp_parse(prsp, CONTROL_PROC_STOP_STREAMING_RSP); out: return error; }

Contributors

PersonTokensPropCommitsCommitProp
Pierrick Hascoet15594.51%150.00%
Sylwester Nawrocki95.49%150.00%
Total164100.00%2100.00%


Overall Contributors

PersonTokensPropCommitsCommitProp
Pierrick Hascoet74194.76%133.33%
Sylwester Nawrocki405.12%133.33%
Mauro Carvalho Chehab10.13%133.33%
Total782100.00%3100.00%
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