3593cab5d6
Semaphore to mutex conversion. The conversion was generated via scripts, and the result was validated automatically via a script as well. Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
280 lines
7.5 KiB
C
280 lines
7.5 KiB
C
/* Common methods for dibusb-based-receivers.
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*
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* Copyright (C) 2004-5 Patrick Boettcher (patrick.boettcher@desy.de)
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the Free
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* Software Foundation, version 2.
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*
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* see Documentation/dvb/README.dvb-usb for more information
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*/
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#include "dibusb.h"
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static int debug;
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module_param(debug, int, 0644);
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MODULE_PARM_DESC(debug, "set debugging level (1=info (|-able))." DVB_USB_DEBUG_STATUS);
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MODULE_LICENSE("GPL");
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#define deb_info(args...) dprintk(debug,0x01,args)
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/* common stuff used by the different dibusb modules */
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int dibusb_streaming_ctrl(struct dvb_usb_device *d, int onoff)
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{
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if (d->priv != NULL) {
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struct dibusb_state *st = d->priv;
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if (st->ops.fifo_ctrl != NULL)
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if (st->ops.fifo_ctrl(d->fe,onoff)) {
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err("error while controlling the fifo of the demod.");
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return -ENODEV;
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}
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}
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return 0;
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}
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EXPORT_SYMBOL(dibusb_streaming_ctrl);
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int dibusb_pid_filter(struct dvb_usb_device *d, int index, u16 pid, int onoff)
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{
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if (d->priv != NULL) {
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struct dibusb_state *st = d->priv;
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if (st->ops.pid_ctrl != NULL)
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st->ops.pid_ctrl(d->fe,index,pid,onoff);
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}
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return 0;
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}
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EXPORT_SYMBOL(dibusb_pid_filter);
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int dibusb_pid_filter_ctrl(struct dvb_usb_device *d, int onoff)
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{
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if (d->priv != NULL) {
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struct dibusb_state *st = d->priv;
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if (st->ops.pid_parse != NULL)
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if (st->ops.pid_parse(d->fe,onoff) < 0)
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err("could not handle pid_parser");
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}
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return 0;
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}
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EXPORT_SYMBOL(dibusb_pid_filter_ctrl);
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int dibusb_power_ctrl(struct dvb_usb_device *d, int onoff)
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{
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u8 b[3];
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int ret;
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b[0] = DIBUSB_REQ_SET_IOCTL;
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b[1] = DIBUSB_IOCTL_CMD_POWER_MODE;
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b[2] = onoff ? DIBUSB_IOCTL_POWER_WAKEUP : DIBUSB_IOCTL_POWER_SLEEP;
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ret = dvb_usb_generic_write(d,b,3);
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msleep(10);
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return ret;
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}
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EXPORT_SYMBOL(dibusb_power_ctrl);
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int dibusb2_0_streaming_ctrl(struct dvb_usb_device *d, int onoff)
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{
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u8 b[3] = { 0 };
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int ret;
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if ((ret = dibusb_streaming_ctrl(d,onoff)) < 0)
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return ret;
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if (onoff) {
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b[0] = DIBUSB_REQ_SET_STREAMING_MODE;
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b[1] = 0x00;
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if ((ret = dvb_usb_generic_write(d,b,2)) < 0)
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return ret;
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}
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b[0] = DIBUSB_REQ_SET_IOCTL;
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b[1] = onoff ? DIBUSB_IOCTL_CMD_ENABLE_STREAM : DIBUSB_IOCTL_CMD_DISABLE_STREAM;
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return dvb_usb_generic_write(d,b,3);
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}
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EXPORT_SYMBOL(dibusb2_0_streaming_ctrl);
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int dibusb2_0_power_ctrl(struct dvb_usb_device *d, int onoff)
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{
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if (onoff) {
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u8 b[3] = { DIBUSB_REQ_SET_IOCTL, DIBUSB_IOCTL_CMD_POWER_MODE, DIBUSB_IOCTL_POWER_WAKEUP };
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return dvb_usb_generic_write(d,b,3);
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} else
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return 0;
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}
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EXPORT_SYMBOL(dibusb2_0_power_ctrl);
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static int dibusb_i2c_msg(struct dvb_usb_device *d, u8 addr,
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u8 *wbuf, u16 wlen, u8 *rbuf, u16 rlen)
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{
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u8 sndbuf[wlen+4]; /* lead(1) devaddr,direction(1) addr(2) data(wlen) (len(2) (when reading)) */
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/* write only ? */
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int wo = (rbuf == NULL || rlen == 0),
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len = 2 + wlen + (wo ? 0 : 2);
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sndbuf[0] = wo ? DIBUSB_REQ_I2C_WRITE : DIBUSB_REQ_I2C_READ;
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sndbuf[1] = (addr << 1) | (wo ? 0 : 1);
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memcpy(&sndbuf[2],wbuf,wlen);
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if (!wo) {
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sndbuf[wlen+2] = (rlen >> 8) & 0xff;
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sndbuf[wlen+3] = rlen & 0xff;
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}
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return dvb_usb_generic_rw(d,sndbuf,len,rbuf,rlen,0);
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}
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/*
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* I2C master xfer function
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*/
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static int dibusb_i2c_xfer(struct i2c_adapter *adap,struct i2c_msg msg[],int num)
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{
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struct dvb_usb_device *d = i2c_get_adapdata(adap);
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int i;
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if (mutex_lock_interruptible(&d->i2c_mutex) < 0)
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return -EAGAIN;
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if (num > 2)
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warn("more than 2 i2c messages at a time is not handled yet. TODO.");
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for (i = 0; i < num; i++) {
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/* write/read request */
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if (i+1 < num && (msg[i+1].flags & I2C_M_RD)) {
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if (dibusb_i2c_msg(d, msg[i].addr, msg[i].buf,msg[i].len,
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msg[i+1].buf,msg[i+1].len) < 0)
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break;
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i++;
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} else
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if (dibusb_i2c_msg(d, msg[i].addr, msg[i].buf,msg[i].len,NULL,0) < 0)
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break;
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}
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mutex_unlock(&d->i2c_mutex);
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return i;
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}
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static u32 dibusb_i2c_func(struct i2c_adapter *adapter)
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{
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return I2C_FUNC_I2C;
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}
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struct i2c_algorithm dibusb_i2c_algo = {
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.master_xfer = dibusb_i2c_xfer,
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.functionality = dibusb_i2c_func,
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};
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EXPORT_SYMBOL(dibusb_i2c_algo);
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int dibusb_read_eeprom_byte(struct dvb_usb_device *d, u8 offs, u8 *val)
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{
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u8 wbuf[1] = { offs };
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return dibusb_i2c_msg(d, 0x50, wbuf, 1, val, 1);
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}
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EXPORT_SYMBOL(dibusb_read_eeprom_byte);
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int dibusb_dib3000mc_frontend_attach(struct dvb_usb_device *d)
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{
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struct dib3000_config demod_cfg;
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struct dibusb_state *st = d->priv;
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demod_cfg.pll_set = dvb_usb_pll_set_i2c;
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demod_cfg.pll_init = dvb_usb_pll_init_i2c;
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for (demod_cfg.demod_address = 0x8; demod_cfg.demod_address < 0xd; demod_cfg.demod_address++)
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if ((d->fe = dib3000mc_attach(&demod_cfg,&d->i2c_adap,&st->ops)) != NULL) {
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d->tuner_pass_ctrl = st->ops.tuner_pass_ctrl;
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return 0;
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}
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return -ENODEV;
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}
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EXPORT_SYMBOL(dibusb_dib3000mc_frontend_attach);
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int dibusb_dib3000mc_tuner_attach (struct dvb_usb_device *d)
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{
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d->pll_addr = 0x60;
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d->pll_desc = &dvb_pll_env57h1xd5;
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return 0;
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}
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EXPORT_SYMBOL(dibusb_dib3000mc_tuner_attach);
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/*
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* common remote control stuff
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*/
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struct dvb_usb_rc_key dibusb_rc_keys[] = {
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/* Key codes for the little Artec T1/Twinhan/HAMA/ remote. */
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{ 0x00, 0x16, KEY_POWER },
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{ 0x00, 0x10, KEY_MUTE },
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{ 0x00, 0x03, KEY_1 },
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{ 0x00, 0x01, KEY_2 },
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{ 0x00, 0x06, KEY_3 },
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{ 0x00, 0x09, KEY_4 },
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{ 0x00, 0x1d, KEY_5 },
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{ 0x00, 0x1f, KEY_6 },
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{ 0x00, 0x0d, KEY_7 },
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{ 0x00, 0x19, KEY_8 },
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{ 0x00, 0x1b, KEY_9 },
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{ 0x00, 0x15, KEY_0 },
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{ 0x00, 0x05, KEY_CHANNELUP },
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{ 0x00, 0x02, KEY_CHANNELDOWN },
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{ 0x00, 0x1e, KEY_VOLUMEUP },
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{ 0x00, 0x0a, KEY_VOLUMEDOWN },
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{ 0x00, 0x11, KEY_RECORD },
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{ 0x00, 0x17, KEY_FAVORITES }, /* Heart symbol - Channel list. */
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{ 0x00, 0x14, KEY_PLAY },
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{ 0x00, 0x1a, KEY_STOP },
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{ 0x00, 0x40, KEY_REWIND },
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{ 0x00, 0x12, KEY_FASTFORWARD },
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{ 0x00, 0x0e, KEY_PREVIOUS }, /* Recall - Previous channel. */
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{ 0x00, 0x4c, KEY_PAUSE },
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{ 0x00, 0x4d, KEY_SCREEN }, /* Full screen mode. */
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{ 0x00, 0x54, KEY_AUDIO }, /* MTS - Switch to secondary audio. */
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/* additional keys TwinHan VisionPlus, the Artec seemingly not have */
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{ 0x00, 0x0c, KEY_CANCEL }, /* Cancel */
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{ 0x00, 0x1c, KEY_EPG }, /* EPG */
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{ 0x00, 0x00, KEY_TAB }, /* Tab */
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{ 0x00, 0x48, KEY_INFO }, /* Preview */
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{ 0x00, 0x04, KEY_LIST }, /* RecordList */
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{ 0x00, 0x0f, KEY_TEXT }, /* Teletext */
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/* Key codes for the KWorld/ADSTech/JetWay remote. */
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{ 0x86, 0x12, KEY_POWER },
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{ 0x86, 0x0f, KEY_SELECT }, /* source */
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{ 0x86, 0x0c, KEY_UNKNOWN }, /* scan */
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{ 0x86, 0x0b, KEY_EPG },
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{ 0x86, 0x10, KEY_MUTE },
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{ 0x86, 0x01, KEY_1 },
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{ 0x86, 0x02, KEY_2 },
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{ 0x86, 0x03, KEY_3 },
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{ 0x86, 0x04, KEY_4 },
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{ 0x86, 0x05, KEY_5 },
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{ 0x86, 0x06, KEY_6 },
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{ 0x86, 0x07, KEY_7 },
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{ 0x86, 0x08, KEY_8 },
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{ 0x86, 0x09, KEY_9 },
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{ 0x86, 0x0a, KEY_0 },
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{ 0x86, 0x18, KEY_ZOOM },
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{ 0x86, 0x1c, KEY_UNKNOWN }, /* preview */
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{ 0x86, 0x13, KEY_UNKNOWN }, /* snap */
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{ 0x86, 0x00, KEY_UNDO },
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{ 0x86, 0x1d, KEY_RECORD },
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{ 0x86, 0x0d, KEY_STOP },
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{ 0x86, 0x0e, KEY_PAUSE },
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{ 0x86, 0x16, KEY_PLAY },
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{ 0x86, 0x11, KEY_BACK },
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{ 0x86, 0x19, KEY_FORWARD },
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{ 0x86, 0x14, KEY_UNKNOWN }, /* pip */
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{ 0x86, 0x15, KEY_ESC },
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{ 0x86, 0x1a, KEY_UP },
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{ 0x86, 0x1e, KEY_DOWN },
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{ 0x86, 0x1f, KEY_LEFT },
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{ 0x86, 0x1b, KEY_RIGHT },
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};
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EXPORT_SYMBOL(dibusb_rc_keys);
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int dibusb_rc_query(struct dvb_usb_device *d, u32 *event, int *state)
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{
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u8 key[5],cmd = DIBUSB_REQ_POLL_REMOTE;
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dvb_usb_generic_rw(d,&cmd,1,key,5,0);
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dvb_usb_nec_rc_key_to_event(d,key,event,state);
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if (key[0] != 0)
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deb_info("key: %x %x %x %x %x\n",key[0],key[1],key[2],key[3],key[4]);
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return 0;
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}
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EXPORT_SYMBOL(dibusb_rc_query);
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