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path: root/drivers/media/pci/cx23885/cx23885-i2c.c
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Diffstat (limited to 'drivers/media/pci/cx23885/cx23885-i2c.c')
-rw-r--r--drivers/media/pci/cx23885/cx23885-i2c.c72
1 files changed, 25 insertions, 47 deletions
diff --git a/drivers/media/pci/cx23885/cx23885-i2c.c b/drivers/media/pci/cx23885/cx23885-i2c.c
index 4887314339cb..f51fad33dc04 100644
--- a/drivers/media/pci/cx23885/cx23885-i2c.c
+++ b/drivers/media/pci/cx23885/cx23885-i2c.c
@@ -1,32 +1,17 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Driver for the Conexant CX23885 PCIe bridge
*
* Copyright (c) 2006 Steven Toth <stoth@linuxtv.org>
- *
- * 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 "cx23885.h"
+
#include <linux/module.h>
-#include <linux/moduleparam.h>
#include <linux/init.h>
#include <linux/delay.h>
#include <asm/io.h>
-#include "cx23885.h"
-
#include <media/v4l2-common.h>
static unsigned int i2c_debug;
@@ -39,7 +24,8 @@ MODULE_PARM_DESC(i2c_scan, "scan i2c bus at insmod time");
#define dprintk(level, fmt, arg...)\
do { if (i2c_debug >= level)\
- printk(KERN_DEBUG "%s/0: " fmt, dev->name, ## arg);\
+ printk(KERN_DEBUG pr_fmt("%s: i2c:" fmt), \
+ __func__, ##arg); \
} while (0)
#define I2C_WAIT_DELAY 32
@@ -123,9 +109,9 @@ static int i2c_sendbytes(struct i2c_adapter *i2c_adap,
if (!i2c_wait_done(i2c_adap))
goto eio;
if (i2c_debug) {
- printk(" <W %02x %02x", msg->addr << 1, msg->buf[0]);
+ printk(KERN_DEBUG " <W %02x %02x", msg->addr << 1, msg->buf[0]);
if (!(ctrl & I2C_NOSTOP))
- printk(" >\n");
+ pr_cont(" >\n");
}
for (cnt = 1; cnt < msg->len; cnt++) {
@@ -145,9 +131,9 @@ static int i2c_sendbytes(struct i2c_adapter *i2c_adap,
if (!i2c_wait_done(i2c_adap))
goto eio;
if (i2c_debug) {
- dprintk(1, " %02x", msg->buf[cnt]);
+ pr_cont(" %02x", msg->buf[cnt]);
if (!(ctrl & I2C_NOSTOP))
- dprintk(1, " >\n");
+ pr_cont(" >\n");
}
}
return msg->len;
@@ -155,7 +141,7 @@ static int i2c_sendbytes(struct i2c_adapter *i2c_adap,
eio:
retval = -EIO;
if (i2c_debug)
- printk(KERN_ERR " ERR: %d\n", retval);
+ pr_err(" ERR: %d\n", retval);
return retval;
}
@@ -216,15 +202,13 @@ static int i2c_readbytes(struct i2c_adapter *i2c_adap,
eio:
retval = -EIO;
if (i2c_debug)
- printk(KERN_ERR " ERR: %d\n", retval);
+ pr_err(" ERR: %d\n", retval);
return retval;
}
static int i2c_xfer(struct i2c_adapter *i2c_adap,
struct i2c_msg *msgs, int num)
{
- struct cx23885_i2c *bus = i2c_adap->algo_data;
- struct cx23885_dev *dev = bus->dev;
int i, retval = 0;
dprintk(1, "%s(num = %d)\n", __func__, num);
@@ -262,20 +246,20 @@ static u32 cx23885_functionality(struct i2c_adapter *adap)
return I2C_FUNC_SMBUS_EMUL | I2C_FUNC_I2C;
}
-static struct i2c_algorithm cx23885_i2c_algo_template = {
+static const struct i2c_algorithm cx23885_i2c_algo_template = {
.master_xfer = i2c_xfer,
.functionality = cx23885_functionality,
};
/* ----------------------------------------------------------------------- */
-static struct i2c_adapter cx23885_i2c_adap_template = {
+static const struct i2c_adapter cx23885_i2c_adap_template = {
.name = "cx23885",
.owner = THIS_MODULE,
.algo = &cx23885_i2c_algo_template,
};
-static struct i2c_client cx23885_i2c_client_template = {
+static const struct i2c_client cx23885_i2c_client_template = {
.name = "cx23885 internal",
};
@@ -283,6 +267,8 @@ static char *i2c_devs[128] = {
[0x10 >> 1] = "tda10048",
[0x12 >> 1] = "dib7000pc",
[0x1c >> 1] = "lgdt3303",
+ [0x80 >> 1] = "cs3308",
+ [0x82 >> 1] = "cs3308",
[0x86 >> 1] = "tda9887",
[0x32 >> 1] = "cx24227",
[0x88 >> 1] = "cx25837",
@@ -304,8 +290,8 @@ static void do_i2c_scan(char *name, struct i2c_client *c)
rc = i2c_master_recv(c, &buf, 0);
if (rc < 0)
continue;
- printk(KERN_INFO "%s: i2c scan: found device @ 0x%x [%s]\n",
- name, i << 1, i2c_devs[i] ? i2c_devs[i] : "???");
+ pr_info("%s: i2c scan: found device @ 0x%04x [%s]\n",
+ name, i, i2c_devs[i] ? i2c_devs[i] : "???");
}
}
@@ -320,7 +306,7 @@ int cx23885_i2c_register(struct cx23885_i2c *bus)
bus->i2c_client = cx23885_i2c_client_template;
bus->i2c_adap.dev.parent = &dev->pci->dev;
- strlcpy(bus->i2c_adap.name, bus->dev->name,
+ strscpy(bus->i2c_adap.name, bus->dev->name,
sizeof(bus->i2c_adap.name));
bus->i2c_adap.algo_data = bus;
@@ -332,27 +318,27 @@ int cx23885_i2c_register(struct cx23885_i2c *bus)
if (0 == bus->i2c_rc) {
dprintk(1, "%s: i2c bus %d registered\n", dev->name, bus->nr);
if (i2c_scan) {
- printk(KERN_INFO "%s: scan bus %d:\n",
+ pr_info("%s: scan bus %d:\n",
dev->name, bus->nr);
do_i2c_scan(dev->name, &bus->i2c_client);
}
} else
- printk(KERN_WARNING "%s: i2c bus %d register FAILED\n",
+ pr_warn("%s: i2c bus %d register FAILED\n",
dev->name, bus->nr);
/* Instantiate the IR receiver device, if present */
if (0 == bus->i2c_rc) {
struct i2c_board_info info;
- const unsigned short addr_list[] = {
+ static const unsigned short addr_list[] = {
0x6b, I2C_CLIENT_END
};
memset(&info, 0, sizeof(struct i2c_board_info));
- strlcpy(info.type, "ir_video", I2C_NAME_SIZE);
+ strscpy(info.type, "ir_video", I2C_NAME_SIZE);
/* Use quick read command for probe, some IR chips don't
* support writes */
- i2c_new_probed_device(&bus->i2c_adap, &info, addr_list,
- i2c_probe_func_quick_read);
+ i2c_new_scanned_device(&bus->i2c_adap, &info, addr_list,
+ i2c_probe_func_quick_read);
}
return bus->i2c_rc;
@@ -386,11 +372,3 @@ void cx23885_av_clk(struct cx23885_dev *dev, int enable)
i2c_xfer(&dev->i2c_bus[2].i2c_adap, &msg, 1);
}
-
-/* ----------------------------------------------------------------------- */
-
-/*
- * Local variables:
- * c-basic-offset: 8
- * End:
- */
generated by cgit (git 2.34.1) at 2025-12-27 02:00:35 +0000