diff options
author | Mauro Carvalho Chehab <mchehab@redhat.com> | 2012-08-14 19:13:30 +0400 |
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committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2012-08-15 23:36:22 +0400 |
commit | b285192a43f0432d82c2c10974204e78af0da596 (patch) | |
tree | 618aa87e760c9c949eca9e4df6ae0eeffa11dcfc /drivers/media/video/saa7164/saa7164-i2c.c | |
parent | 68de959f773a1d49096835c411390bceff5d1549 (diff) | |
download | linux-b285192a43f0432d82c2c10974204e78af0da596.tar.xz |
[media] rename most media/video pci drivers to media/pci
Rename all PCI drivers with their own directory under
drivers/media/video into drivers/media/pci and update the
building system.
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/video/saa7164/saa7164-i2c.c')
-rw-r--r-- | drivers/media/video/saa7164/saa7164-i2c.c | 125 |
1 files changed, 0 insertions, 125 deletions
diff --git a/drivers/media/video/saa7164/saa7164-i2c.c b/drivers/media/video/saa7164/saa7164-i2c.c deleted file mode 100644 index 4f7e3b42263f..000000000000 --- a/drivers/media/video/saa7164/saa7164-i2c.c +++ /dev/null @@ -1,125 +0,0 @@ -/* - * Driver for the NXP SAA7164 PCIe bridge - * - * Copyright (c) 2010 Steven Toth <stoth@kernellabs.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 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., 675 Mass Ave, Cambridge, MA 02139, USA. - */ - -#include <linux/module.h> -#include <linux/moduleparam.h> -#include <linux/init.h> -#include <linux/delay.h> -#include <linux/io.h> - -#include "saa7164.h" - -static int i2c_xfer(struct i2c_adapter *i2c_adap, struct i2c_msg *msgs, int num) -{ - struct saa7164_i2c *bus = i2c_adap->algo_data; - struct saa7164_dev *dev = bus->dev; - int i, retval = 0; - - dprintk(DBGLVL_I2C, "%s(num = %d)\n", __func__, num); - - for (i = 0 ; i < num; i++) { - dprintk(DBGLVL_I2C, "%s(num = %d) addr = 0x%02x len = 0x%x\n", - __func__, num, msgs[i].addr, msgs[i].len); - if (msgs[i].flags & I2C_M_RD) { - /* Unsupported - Yet*/ - printk(KERN_ERR "%s() Unsupported - Yet\n", __func__); - continue; - } else if (i + 1 < num && (msgs[i + 1].flags & I2C_M_RD) && - msgs[i].addr == msgs[i + 1].addr) { - /* write then read from same address */ - - retval = saa7164_api_i2c_read(bus, msgs[i].addr, - msgs[i].len, msgs[i].buf, - msgs[i+1].len, msgs[i+1].buf - ); - - i++; - - if (retval < 0) - goto err; - } else { - /* write */ - retval = saa7164_api_i2c_write(bus, msgs[i].addr, - msgs[i].len, msgs[i].buf); - } - if (retval < 0) - goto err; - } - return num; - -err: - return retval; -} - -static u32 saa7164_functionality(struct i2c_adapter *adap) -{ - return I2C_FUNC_I2C; -} - -static struct i2c_algorithm saa7164_i2c_algo_template = { - .master_xfer = i2c_xfer, - .functionality = saa7164_functionality, -}; - -/* ----------------------------------------------------------------------- */ - -static struct i2c_adapter saa7164_i2c_adap_template = { - .name = "saa7164", - .owner = THIS_MODULE, - .algo = &saa7164_i2c_algo_template, -}; - -static struct i2c_client saa7164_i2c_client_template = { - .name = "saa7164 internal", -}; - -int saa7164_i2c_register(struct saa7164_i2c *bus) -{ - struct saa7164_dev *dev = bus->dev; - - dprintk(DBGLVL_I2C, "%s(bus = %d)\n", __func__, bus->nr); - - bus->i2c_adap = saa7164_i2c_adap_template; - bus->i2c_client = saa7164_i2c_client_template; - - bus->i2c_adap.dev.parent = &dev->pci->dev; - - strlcpy(bus->i2c_adap.name, bus->dev->name, - sizeof(bus->i2c_adap.name)); - - bus->i2c_adap.algo_data = bus; - i2c_set_adapdata(&bus->i2c_adap, bus); - i2c_add_adapter(&bus->i2c_adap); - - bus->i2c_client.adapter = &bus->i2c_adap; - - if (0 != bus->i2c_rc) - printk(KERN_ERR "%s: i2c bus %d register FAILED\n", - dev->name, bus->nr); - - return bus->i2c_rc; -} - -int saa7164_i2c_unregister(struct saa7164_i2c *bus) -{ - i2c_del_adapter(&bus->i2c_adap); - return 0; -} |