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author | Mauro Carvalho Chehab <mchehab@redhat.com> | 2012-08-14 04:13:41 +0200 |
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committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2012-08-14 04:13:41 +0200 |
commit | 9a0bf528b4d66b605f02634236da085595c22101 (patch) | |
tree | e9ff008ff15c3ee5add6d41173ee5e61939480dd /drivers/media/dvb/frontends/isl6421.c | |
parent | [media] dvb: move the dvb core one level up (diff) | |
download | linux-9a0bf528b4d66b605f02634236da085595c22101.tar.xz linux-9a0bf528b4d66b605f02634236da085595c22101.zip |
[media] move the dvb/frontends to drivers/media/dvb-frontends
Raise the DVB frontends one level up, as the intention is to remove
the drivers/media/dvb directory.
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/dvb/frontends/isl6421.c')
-rw-r--r-- | drivers/media/dvb/frontends/isl6421.c | 141 |
1 files changed, 0 insertions, 141 deletions
diff --git a/drivers/media/dvb/frontends/isl6421.c b/drivers/media/dvb/frontends/isl6421.c deleted file mode 100644 index 684c8ec166cb..000000000000 --- a/drivers/media/dvb/frontends/isl6421.c +++ /dev/null @@ -1,141 +0,0 @@ -/* - * isl6421.h - driver for lnb supply and control ic ISL6421 - * - * Copyright (C) 2006 Andrew de Quincey - * Copyright (C) 2006 Oliver Endriss - * - * 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 - * of the License, 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. - * - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. - * Or, point your browser to http://www.gnu.org/copyleft/gpl.html - * - * - * the project's page is at http://www.linuxtv.org - */ -#include <linux/delay.h> -#include <linux/errno.h> -#include <linux/init.h> -#include <linux/kernel.h> -#include <linux/module.h> -#include <linux/string.h> -#include <linux/slab.h> - -#include "dvb_frontend.h" -#include "isl6421.h" - -struct isl6421 { - u8 config; - u8 override_or; - u8 override_and; - struct i2c_adapter *i2c; - u8 i2c_addr; -}; - -static int isl6421_set_voltage(struct dvb_frontend *fe, fe_sec_voltage_t voltage) -{ - struct isl6421 *isl6421 = (struct isl6421 *) fe->sec_priv; - struct i2c_msg msg = { .addr = isl6421->i2c_addr, .flags = 0, - .buf = &isl6421->config, - .len = sizeof(isl6421->config) }; - - isl6421->config &= ~(ISL6421_VSEL1 | ISL6421_EN1); - - switch(voltage) { - case SEC_VOLTAGE_OFF: - break; - case SEC_VOLTAGE_13: - isl6421->config |= ISL6421_EN1; - break; - case SEC_VOLTAGE_18: - isl6421->config |= (ISL6421_EN1 | ISL6421_VSEL1); - break; - default: - return -EINVAL; - }; - - isl6421->config |= isl6421->override_or; - isl6421->config &= isl6421->override_and; - - return (i2c_transfer(isl6421->i2c, &msg, 1) == 1) ? 0 : -EIO; -} - -static int isl6421_enable_high_lnb_voltage(struct dvb_frontend *fe, long arg) -{ - struct isl6421 *isl6421 = (struct isl6421 *) fe->sec_priv; - struct i2c_msg msg = { .addr = isl6421->i2c_addr, .flags = 0, - .buf = &isl6421->config, - .len = sizeof(isl6421->config) }; - - if (arg) - isl6421->config |= ISL6421_LLC1; - else - isl6421->config &= ~ISL6421_LLC1; - - isl6421->config |= isl6421->override_or; - isl6421->config &= isl6421->override_and; - - return (i2c_transfer(isl6421->i2c, &msg, 1) == 1) ? 0 : -EIO; -} - -static void isl6421_release(struct dvb_frontend *fe) -{ - /* power off */ - isl6421_set_voltage(fe, SEC_VOLTAGE_OFF); - - /* free */ - kfree(fe->sec_priv); - fe->sec_priv = NULL; -} - -struct dvb_frontend *isl6421_attach(struct dvb_frontend *fe, struct i2c_adapter *i2c, u8 i2c_addr, - u8 override_set, u8 override_clear) -{ - struct isl6421 *isl6421 = kmalloc(sizeof(struct isl6421), GFP_KERNEL); - if (!isl6421) - return NULL; - - /* default configuration */ - isl6421->config = ISL6421_ISEL1; - isl6421->i2c = i2c; - isl6421->i2c_addr = i2c_addr; - fe->sec_priv = isl6421; - - /* bits which should be forced to '1' */ - isl6421->override_or = override_set; - - /* bits which should be forced to '0' */ - isl6421->override_and = ~override_clear; - - /* detect if it is present or not */ - if (isl6421_set_voltage(fe, SEC_VOLTAGE_OFF)) { - kfree(isl6421); - fe->sec_priv = NULL; - return NULL; - } - - /* install release callback */ - fe->ops.release_sec = isl6421_release; - - /* override frontend ops */ - fe->ops.set_voltage = isl6421_set_voltage; - fe->ops.enable_high_lnb_voltage = isl6421_enable_high_lnb_voltage; - - return fe; -} -EXPORT_SYMBOL(isl6421_attach); - -MODULE_DESCRIPTION("Driver for lnb supply and control ic isl6421"); -MODULE_AUTHOR("Andrew de Quincey & Oliver Endriss"); -MODULE_LICENSE("GPL"); |