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path: root/drivers/media/video/cx231xx/cx231xx-i2c.c
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Diffstat (limited to 'drivers/media/video/cx231xx/cx231xx-i2c.c')
-rw-r--r--drivers/media/video/cx231xx/cx231xx-i2c.c567
1 files changed, 294 insertions, 273 deletions
diff --git a/drivers/media/video/cx231xx/cx231xx-i2c.c b/drivers/media/video/cx231xx/cx231xx-i2c.c
index d75ed6c3c8d..c250ad27e1d 100644
--- a/drivers/media/video/cx231xx/cx231xx-i2c.c
+++ b/drivers/media/video/cx231xx/cx231xx-i2c.c
@@ -2,8 +2,8 @@
cx231xx-i2c.c - driver for Conexant Cx23100/101/102 USB video capture devices
Copyright (C) 2008 <srinivasa.deevi at conexant dot com>
- Based on em28xx driver
- Based on Cx23885 driver
+ Based on em28xx driver
+ Based on Cx23885 driver
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
@@ -29,7 +29,6 @@
#include "cx231xx.h"
-
/* ----------------------------------------------------------- */
static unsigned int i2c_scan;
@@ -40,7 +39,6 @@ static unsigned int i2c_debug;
module_param(i2c_debug, int, 0644);
MODULE_PARM_DESC(i2c_debug, "enable debug messages [i2c]");
-
#define dprintk1(lvl, fmt, args...) \
do { \
if (i2c_debug >= lvl) { \
@@ -56,116 +54,119 @@ do { \
} \
} while (0)
-
/*
* cx231xx_i2c_send_bytes()
*/
int cx231xx_i2c_send_bytes(struct i2c_adapter *i2c_adap,
- const struct i2c_msg *msg)
+ const struct i2c_msg *msg)
{
struct cx231xx_i2c *bus = i2c_adap->algo_data;
struct cx231xx *dev = bus->dev;
- struct cx231xx_i2c_xfer_data req_data;
- int status = 0;
- u16 size = 0;
- u8 loop = 0;
- u8 saddr_len = 1;
- u8 *buf_ptr = NULL;
- u16 saddr = 0;
- u8 need_gpio = 0;
-
-
- if( (bus->nr ==1) && (msg->addr == 0x61) && (dev->tuner_type == TUNER_XC5000) ) {
-
- size = msg->len;
-
- if( size == 2 ) { /* register write sub addr*/
-
- /* Just writing sub address will cause problem to XC5000
- So ignore the request */
- return 0;
-
- } else if( size == 4 ) { /* register write with sub addr*/
-
- if(msg->len >= 2 )
- saddr = msg->buf[0] << 8 | msg->buf[1];
- else if ( msg->len == 1 )
- saddr = msg->buf[0];
-
- switch(saddr) {
- case 0x0000: /* start tuner calibration mode */
- need_gpio = 1;
- dev->xc_fw_load_done = 1; /* FW Loading is done */
- break;
- case 0x000D: /* Set signal source */
- case 0x0001: /* Set TV standard - Video */
- case 0x0002: /* Set TV standard - Audio */
- case 0x0003: /* Set RF Frequency */
- need_gpio = 1;
- break;
- default:
- if(dev->xc_fw_load_done)
- need_gpio = 1;
- break;
- }
-
- if(need_gpio ) {
- dprintk1(1, " GPIO W R I T E : addr 0x%x, len %d, saddr 0x%x\n",
- msg->addr, msg->len, saddr);
-
- return dev->cx231xx_gpio_i2c_write(dev, msg->addr, msg->buf, msg->len);
- }
-
- }
-
- /* special case for Xc5000 tuner case */
- saddr_len = 1;
-
- /* adjust the length to correct length */
- size -= saddr_len;
- buf_ptr = (u8*) (msg->buf + 1 );
-
- do {
- /* prepare xfer_data struct */
- req_data.dev_addr = msg->addr;
- req_data.direction = msg->flags;
- req_data.saddr_len = saddr_len;
- req_data.saddr_dat = msg->buf[0];
- req_data.buf_size = size > 16 ? 16: size;
- req_data.p_buffer = (u8*)(buf_ptr + loop * 16);
-
- bus->i2c_nostop = (size > 16) ? 1: 0;
- bus->i2c_reserve = (loop == 0) ? 0: 1;
-
- /* usb send command */
- status = dev->cx231xx_send_usb_command(bus, &req_data);
- loop++;
-
- if( size >= 16 )
- size -= 16;
- else
- size = 0;
-
- }while( size > 0 );
-
- bus->i2c_nostop = 0;
- bus->i2c_reserve = 0;
-
- } else { /* regular case */
-
- /* prepare xfer_data struct */
- req_data.dev_addr = msg->addr;
- req_data.direction = msg->flags;
- req_data.saddr_len = 0;
- req_data.saddr_dat = 0;
- req_data.buf_size = msg->len;
- req_data.p_buffer = msg->buf;
-
- /* usb send command */
- status = dev->cx231xx_send_usb_command(bus, &req_data);
- }
-
- return status < 0 ? status: 0;
+ struct cx231xx_i2c_xfer_data req_data;
+ int status = 0;
+ u16 size = 0;
+ u8 loop = 0;
+ u8 saddr_len = 1;
+ u8 *buf_ptr = NULL;
+ u16 saddr = 0;
+ u8 need_gpio = 0;
+
+ if ((bus->nr == 1) && (msg->addr == 0x61)
+ && (dev->tuner_type == TUNER_XC5000)) {
+
+ size = msg->len;
+
+ if (size == 2) { /* register write sub addr */
+
+ /* Just writing sub address will cause problem to XC5000
+ So ignore the request */
+ return 0;
+
+ } else if (size == 4) { /* register write with sub addr */
+
+ if (msg->len >= 2)
+ saddr = msg->buf[0] << 8 | msg->buf[1];
+ else if (msg->len == 1)
+ saddr = msg->buf[0];
+
+ switch (saddr) {
+ case 0x0000: /* start tuner calibration mode */
+ need_gpio = 1;
+ dev->xc_fw_load_done = 1; /* FW Loading is done */
+ break;
+ case 0x000D: /* Set signal source */
+ case 0x0001: /* Set TV standard - Video */
+ case 0x0002: /* Set TV standard - Audio */
+ case 0x0003: /* Set RF Frequency */
+ need_gpio = 1;
+ break;
+ default:
+ if (dev->xc_fw_load_done)
+ need_gpio = 1;
+ break;
+ }
+
+ if (need_gpio) {
+ dprintk1(1,
+ " GPIO W R I T E : addr 0x%x, len %d, saddr 0x%x\n",
+ msg->addr, msg->len, saddr);
+
+ return dev->cx231xx_gpio_i2c_write(dev,
+ msg->addr,
+ msg->buf,
+ msg->len);
+ }
+
+ }
+
+ /* special case for Xc5000 tuner case */
+ saddr_len = 1;
+
+ /* adjust the length to correct length */
+ size -= saddr_len;
+ buf_ptr = (u8 *) (msg->buf + 1);
+
+ do {
+ /* prepare xfer_data struct */
+ req_data.dev_addr = msg->addr;
+ req_data.direction = msg->flags;
+ req_data.saddr_len = saddr_len;
+ req_data.saddr_dat = msg->buf[0];
+ req_data.buf_size = size > 16 ? 16 : size;
+ req_data.p_buffer = (u8 *) (buf_ptr + loop * 16);
+
+ bus->i2c_nostop = (size > 16) ? 1 : 0;
+ bus->i2c_reserve = (loop == 0) ? 0 : 1;
+
+ /* usb send command */
+ status = dev->cx231xx_send_usb_command(bus, &req_data);
+ loop++;
+
+ if (size >= 16)
+ size -= 16;
+ else
+ size = 0;
+
+ } while (size > 0);
+
+ bus->i2c_nostop = 0;
+ bus->i2c_reserve = 0;
+
+ } else { /* regular case */
+
+ /* prepare xfer_data struct */
+ req_data.dev_addr = msg->addr;
+ req_data.direction = msg->flags;
+ req_data.saddr_len = 0;
+ req_data.saddr_dat = 0;
+ req_data.buf_size = msg->len;
+ req_data.p_buffer = msg->buf;
+
+ /* usb send command */
+ status = dev->cx231xx_send_usb_command(bus, &req_data);
+ }
+
+ return status < 0 ? status : 0;
}
/*
@@ -173,75 +174,85 @@ int cx231xx_i2c_send_bytes(struct i2c_adapter *i2c_adap,
* read a byte from the i2c device
*/
static int cx231xx_i2c_recv_bytes(struct i2c_adapter *i2c_adap,
- const struct i2c_msg *msg)
+ const struct i2c_msg *msg)
{
- struct cx231xx_i2c *bus = i2c_adap->algo_data;
+ struct cx231xx_i2c *bus = i2c_adap->algo_data;
struct cx231xx *dev = bus->dev;
- struct cx231xx_i2c_xfer_data req_data;
- int status = 0;
- u16 saddr = 0;
- u8 need_gpio = 0;
-
- if((bus->nr ==1) && (msg->addr == 0x61) && dev->tuner_type == TUNER_XC5000) {
-
- if(msg->len == 2 )
- saddr = msg->buf[0] << 8 | msg->buf[1];
- else if ( msg->len == 1 )
- saddr = msg->buf[0];
-
- if( dev->xc_fw_load_done) {
-
- switch(saddr) {
- case 0x0009: /* BUSY check */
- dprintk1(1, " GPIO R E A D : Special case BUSY check \n");
- /* Try to read BUSY register, just set it to zero */
- msg->buf[0] = 0;
- if(msg->len == 2 )
- msg->buf[1] = 0;
- return 0;
- case 0x0004: /* read Lock status */
- need_gpio = 1;
- break;
-
- }
-
- if(need_gpio) {
- /* this is a special case to handle Xceive tuner clock stretch issue
- with gpio based I2C interface */
- dprintk1(1, " GPIO R E A D : addr 0x%x, len %d, saddr 0x%x\n",
- msg->addr, msg->len, msg->buf[0] << 8| msg->buf[1]);
- status = dev->cx231xx_gpio_i2c_write(dev, msg->addr, msg->buf, msg->len);
- status = dev->cx231xx_gpio_i2c_read(dev, msg->addr, msg->buf, msg->len);
- return status;
- }
- }
-
- /* prepare xfer_data struct */
- req_data.dev_addr = msg->addr;
- req_data.direction = msg->flags;
- req_data.saddr_len = msg->len;
- req_data.saddr_dat = msg->buf[0] << 8 | msg->buf[1];
- req_data.buf_size = msg->len;
- req_data.p_buffer = msg->buf;
-
- /* usb send command */
- status = dev->cx231xx_send_usb_command(bus, &req_data);
-
- } else {
-
- /* prepare xfer_data struct */
- req_data.dev_addr = msg->addr;
- req_data.direction = msg->flags;
- req_data.saddr_len = 0;
- req_data.saddr_dat = 0;
- req_data.buf_size = msg->len;
- req_data.p_buffer = msg->buf;
-
- /* usb send command */
- status = dev->cx231xx_send_usb_command(bus, &req_data);
- }
-
- return status < 0 ? status: 0;
+ struct cx231xx_i2c_xfer_data req_data;
+ int status = 0;
+ u16 saddr = 0;
+ u8 need_gpio = 0;
+
+ if ((bus->nr == 1) && (msg->addr == 0x61)
+ && dev->tuner_type == TUNER_XC5000) {
+
+ if (msg->len == 2)
+ saddr = msg->buf[0] << 8 | msg->buf[1];
+ else if (msg->len == 1)
+ saddr = msg->buf[0];
+
+ if (dev->xc_fw_load_done) {
+
+ switch (saddr) {
+ case 0x0009: /* BUSY check */
+ dprintk1(1,
+ " GPIO R E A D : Special case BUSY check \n");
+ /* Try to read BUSY register, just set it to zero */
+ msg->buf[0] = 0;
+ if (msg->len == 2)
+ msg->buf[1] = 0;
+ return 0;
+ case 0x0004: /* read Lock status */
+ need_gpio = 1;
+ break;
+
+ }
+
+ if (need_gpio) {
+ /* this is a special case to handle Xceive tuner clock stretch issue
+ with gpio based I2C interface */
+ dprintk1(1,
+ " GPIO R E A D : addr 0x%x, len %d, saddr 0x%x\n",
+ msg->addr, msg->len,
+ msg->buf[0] << 8 | msg->buf[1]);
+ status =
+ dev->cx231xx_gpio_i2c_write(dev, msg->addr,
+ msg->buf,
+ msg->len);
+ status =
+ dev->cx231xx_gpio_i2c_read(dev, msg->addr,
+ msg->buf,
+ msg->len);
+ return status;
+ }
+ }
+
+ /* prepare xfer_data struct */
+ req_data.dev_addr = msg->addr;
+ req_data.direction = msg->flags;
+ req_data.saddr_len = msg->len;
+ req_data.saddr_dat = msg->buf[0] << 8 | msg->buf[1];
+ req_data.buf_size = msg->len;
+ req_data.p_buffer = msg->buf;
+
+ /* usb send command */
+ status = dev->cx231xx_send_usb_command(bus, &req_data);
+
+ } else {
+
+ /* prepare xfer_data struct */
+ req_data.dev_addr = msg->addr;
+ req_data.direction = msg->flags;
+ req_data.saddr_len = 0;
+ req_data.saddr_dat = 0;
+ req_data.buf_size = msg->len;
+ req_data.p_buffer = msg->buf;
+
+ /* usb send command */
+ status = dev->cx231xx_send_usb_command(bus, &req_data);
+ }
+
+ return status < 0 ? status : 0;
}
/*
@@ -249,56 +260,65 @@ static int cx231xx_i2c_recv_bytes(struct i2c_adapter *i2c_adap,
* read a byte from the i2c device
*/
static int cx231xx_i2c_recv_bytes_with_saddr(struct i2c_adapter *i2c_adap,
- const struct i2c_msg *msg1, const struct i2c_msg *msg2)
+ const struct i2c_msg *msg1,
+ const struct i2c_msg *msg2)
{
- struct cx231xx_i2c *bus = i2c_adap->algo_data;
+ struct cx231xx_i2c *bus = i2c_adap->algo_data;
struct cx231xx *dev = bus->dev;
- struct cx231xx_i2c_xfer_data req_data;
- int status = 0;
- u16 saddr = 0;
- u8 need_gpio = 0;
-
- if(msg1->len == 2 )
- saddr = msg1->buf[0] << 8 | msg1->buf[1];
- else if ( msg1->len == 1 )
- saddr = msg1->buf[0];
-
- if ( (bus->nr ==1) && (msg2->addr == 0x61) && dev->tuner_type == TUNER_XC5000) {
-
- if( (msg2->len < 16) ) {
-
- dprintk1(1, " i2c_read : addr 0x%x, len %d, subaddr 0x%x, leng %d\n",
- msg2->addr, msg2->len, saddr, msg1->len);
-
- switch(saddr) {
- case 0x0008: /* read FW load status */
- need_gpio = 1;
- break;
- case 0x0004: /* read Lock status */
- need_gpio = 1;
- break;
- }
-
- if(need_gpio ) {
- status = dev->cx231xx_gpio_i2c_write(dev, msg1->addr, msg1->buf, msg1->len);
- status = dev->cx231xx_gpio_i2c_read(dev, msg2->addr, msg2->buf, msg2->len);
- return status;
- }
- }
- }
-
- /* prepare xfer_data struct */
- req_data.dev_addr = msg2->addr;
- req_data.direction = msg2->flags;
- req_data.saddr_len = msg1->len;
- req_data.saddr_dat = saddr;
- req_data.buf_size = msg2->len;
- req_data.p_buffer = msg2->buf;
-
- /* usb send command */
- status = dev->cx231xx_send_usb_command(bus, &req_data);
-
- return status < 0 ? status: 0;
+ struct cx231xx_i2c_xfer_data req_data;
+ int status = 0;
+ u16 saddr = 0;
+ u8 need_gpio = 0;
+
+ if (msg1->len == 2)
+ saddr = msg1->buf[0] << 8 | msg1->buf[1];
+ else if (msg1->len == 1)
+ saddr = msg1->buf[0];
+
+ if ((bus->nr == 1) && (msg2->addr == 0x61)
+ && dev->tuner_type == TUNER_XC5000) {
+
+ if ((msg2->len < 16)) {
+
+ dprintk1(1,
+ " i2c_read : addr 0x%x, len %d, subaddr 0x%x, leng %d\n",
+ msg2->addr, msg2->len, saddr, msg1->len);
+
+ switch (saddr) {
+ case 0x0008: /* read FW load status */
+ need_gpio = 1;
+ break;
+ case 0x0004: /* read Lock status */
+ need_gpio = 1;
+ break;
+ }
+
+ if (need_gpio) {
+ status =
+ dev->cx231xx_gpio_i2c_write(dev, msg1->addr,
+ msg1->buf,
+ msg1->len);
+ status =
+ dev->cx231xx_gpio_i2c_read(dev, msg2->addr,
+ msg2->buf,
+ msg2->len);
+ return status;
+ }
+ }
+ }
+
+ /* prepare xfer_data struct */
+ req_data.dev_addr = msg2->addr;
+ req_data.direction = msg2->flags;
+ req_data.saddr_len = msg1->len;
+ req_data.saddr_dat = saddr;
+ req_data.buf_size = msg2->len;
+ req_data.p_buffer = msg2->buf;
+
+ /* usb send command */
+ status = dev->cx231xx_send_usb_command(bus, &req_data);
+
+ return status < 0 ? status : 0;
}
/*
@@ -306,25 +326,25 @@ static int cx231xx_i2c_recv_bytes_with_saddr(struct i2c_adapter *i2c_adap,
* check if there is a i2c_device at the supplied address
*/
static int cx231xx_i2c_check_for_device(struct i2c_adapter *i2c_adap,
- const struct i2c_msg *msg)
+ const struct i2c_msg *msg)
{
- struct cx231xx_i2c *bus = i2c_adap->algo_data;
+ struct cx231xx_i2c *bus = i2c_adap->algo_data;
struct cx231xx *dev = bus->dev;
- struct cx231xx_i2c_xfer_data req_data;
- int status = 0;
+ struct cx231xx_i2c_xfer_data req_data;
+ int status = 0;
- /* prepare xfer_data struct */
- req_data.dev_addr = msg->addr;
- req_data.direction = msg->flags;
- req_data.saddr_len = 0;
- req_data.saddr_dat = 0;
- req_data.buf_size = 0;
- req_data.p_buffer = NULL;
+ /* prepare xfer_data struct */
+ req_data.dev_addr = msg->addr;
+ req_data.direction = msg->flags;
+ req_data.saddr_len = 0;
+ req_data.saddr_dat = 0;
+ req_data.buf_size = 0;
+ req_data.p_buffer = NULL;
- /* usb send command */
- status = dev->cx231xx_send_usb_command(bus, &req_data);
+ /* usb send command */
+ status = dev->cx231xx_send_usb_command(bus, &req_data);
- return status < 0 ? status: 0;
+ return status < 0 ? status : 0;
}
/*
@@ -332,7 +352,7 @@ static int cx231xx_i2c_check_for_device(struct i2c_adapter *i2c_adap,
* the main i2c transfer function
*/
static int cx231xx_i2c_xfer(struct i2c_adapter *i2c_adap,
- struct i2c_msg msgs[], int num)
+ struct i2c_msg msgs[], int num)
{
struct cx231xx_i2c *bus = i2c_adap->algo_data;
struct cx231xx *dev = bus->dev;
@@ -348,7 +368,7 @@ static int cx231xx_i2c_xfer(struct i2c_adapter *i2c_adap,
dprintk2(2, "%s %s addr=%x len=%d:",
(msgs[i].flags & I2C_M_RD) ? "read" : "write",
i == num - 1 ? "stop" : "nonstop", addr, msgs[i].len);
- if (!msgs[i].len) { /* no len: check only for device presence */
+ if (!msgs[i].len) { /* no len: check only for device presence */
rc = cx231xx_i2c_check_for_device(i2c_adap, &msgs[i]);
if (rc < 0) {
dprintk2(2, " no device\n");
@@ -363,21 +383,24 @@ static int cx231xx_i2c_xfer(struct i2c_adapter *i2c_adap,
printk(" %02x", msgs[i].buf[byte]);
}
} else if (i + 1 < num && (msgs[i + 1].flags & I2C_M_RD) &&
- msgs[i].addr == msgs[i + 1].addr && (msgs[i].len <= 2) && (bus->nr < 2)) {
+ msgs[i].addr == msgs[i + 1].addr
+ && (msgs[i].len <= 2) && (bus->nr < 2)) {
/* read bytes */
- rc = cx231xx_i2c_recv_bytes_with_saddr(i2c_adap, &msgs[i], &msgs[i+1]);
+ rc = cx231xx_i2c_recv_bytes_with_saddr(i2c_adap,
+ &msgs[i],
+ &msgs[i + 1]);
if (i2c_debug >= 2) {
for (byte = 0; byte < msgs[i].len; byte++)
printk(" %02x", msgs[i].buf[byte]);
}
- i++;
+ i++;
} else {
/* write bytes */
if (i2c_debug >= 2) {
for (byte = 0; byte < msgs[i].len; byte++)
printk(" %02x", msgs[i].buf[byte]);
}
- rc = cx231xx_i2c_send_bytes(i2c_adap,&msgs[i]);
+ rc = cx231xx_i2c_send_bytes(i2c_adap, &msgs[i]);
}
if (rc < 0)
goto err;
@@ -386,7 +409,7 @@ static int cx231xx_i2c_xfer(struct i2c_adapter *i2c_adap,
}
return num;
-err:
+ err:
dprintk2(2, " ERROR: %i\n", rc);
return rc;
}
@@ -408,7 +431,7 @@ static u32 functionality(struct i2c_adapter *adap)
*/
static int attach_inform(struct i2c_client *client)
{
- struct cx231xx_i2c *bus = i2c_get_adapdata(client->adapter);
+ struct cx231xx_i2c *bus = i2c_get_adapdata(client->adapter);
struct cx231xx *dev = bus->dev;
switch (client->addr << 1) {
@@ -422,16 +445,16 @@ static int attach_inform(struct i2c_client *client)
dprintk1(1, "attach_inform: eeprom detected.\n");
break;
case 0x60:
- dprintk1(1, "attach_inform: Colibri detected.\n");
- break;
- case 0x8e:
- {
- struct IR_i2c *ir = i2c_get_clientdata(client);
- dprintk1(1, "attach_inform: IR detected (%s).\n",
- ir->phys);
- cx231xx_set_ir(dev, ir);
+ dprintk1(1, "attach_inform: Colibri detected.\n");
break;
- }
+ case 0x8e:
+ {
+ struct IR_i2c *ir = i2c_get_clientdata(client);
+ dprintk1(1, "attach_inform: IR detected (%s).\n",
+ ir->phys);
+ cx231xx_set_ir(dev, ir);
+ break;
+ }
case 0x80:
case 0x88:
dprintk1(1, "attach_inform: Hammerhead detected.\n");
@@ -442,7 +465,7 @@ static int attach_inform(struct i2c_client *client)
dev->tuner_addr = client->addr;
dprintk1(1, "attach inform: detected I2C address %x\n",
- client->addr << 1);
+ client->addr << 1);
}
return 0;
@@ -454,9 +477,8 @@ static int detach_inform(struct i2c_client *client)
return 0;
}
-
static struct i2c_algorithm cx231xx_algo = {
- .master_xfer = cx231xx_i2c_xfer,
+ .master_xfer = cx231xx_i2c_xfer,
.functionality = functionality,
};
@@ -466,7 +488,7 @@ static struct i2c_adapter cx231xx_adap_template = {
.name = "cx231xx",
.id = I2C_HW_B_CX231XX,
.algo = &cx231xx_algo,
- .client_register = attach_inform,
+ .client_register = attach_inform,
.client_unregister = detach_inform,
};
@@ -483,9 +505,9 @@ static struct i2c_client cx231xx_client_template = {
static char *i2c_devs[128] = {
[0x60 >> 1] = "colibri",
[0x88 >> 1] = "hammerhead",
- [0x8e >> 1] = "CIR",
+ [0x8e >> 1] = "CIR",
[0x32 >> 1] = "GeminiIII",
- [0x02 >> 1] = "Aquarius",
+ [0x02 >> 1] = "Aquarius",
[0xa0 >> 1] = "eeprom",
[0xc0 >> 1] = "tuner/XC3028",
[0xc2 >> 1] = "tuner/XC5000",
@@ -500,23 +522,25 @@ void cx231xx_do_i2c_scan(struct cx231xx *dev, struct i2c_client *c)
unsigned char buf;
int i, rc;
- cx231xx_info(": Checking for I2C devices ..\n");
+ cx231xx_info(": Checking for I2C devices ..\n");
for (i = 0; i < 128; i++) {
c->addr = i;
rc = i2c_master_recv(c, &buf, 0);
if (rc < 0)
continue;
cx231xx_info("%s: i2c scan: found device @ 0x%x [%s]\n",
- dev->name, i << 1, i2c_devs[i] ? i2c_devs[i] : "???");
+ dev->name, i << 1,
+ i2c_devs[i] ? i2c_devs[i] : "???");
}
- cx231xx_info(": Completed Checking for I2C devices.\n");
+ cx231xx_info(": Completed Checking for I2C devices.\n");
}
/*
* cx231xx_i2c_call_clients()
* send commands to all attached i2c devices
*/
-void cx231xx_i2c_call_clients(struct cx231xx_i2c *bus, unsigned int cmd, void *arg)
+void cx231xx_i2c_call_clients(struct cx231xx_i2c *bus, unsigned int cmd,
+ void *arg)
{
/* struct cx231xx *dev = bus->dev; */
@@ -530,23 +554,20 @@ void cx231xx_i2c_call_clients(struct cx231xx_i2c *bus, unsigned int cmd, void *a
*/
int cx231xx_i2c_register(struct cx231xx_i2c *bus)
{
- struct cx231xx *dev = bus->dev;
+ struct cx231xx *dev = bus->dev;
- BUG_ON(!dev->cx231xx_send_usb_command);
+ BUG_ON(!dev->cx231xx_send_usb_command);
- cx231xx_info("%s(bus = %d)\n", __func__, bus->nr);
+ cx231xx_info("%s(bus = %d)\n", __func__, bus->nr);
- memcpy(&bus->i2c_adap, &cx231xx_adap_template,
- sizeof(bus->i2c_adap));
- memcpy(&bus->i2c_algo, &cx231xx_algo,
- sizeof(bus->i2c_algo));
+ memcpy(&bus->i2c_adap, &cx231xx_adap_template, sizeof(bus->i2c_adap));
+ memcpy(&bus->i2c_algo, &cx231xx_algo, sizeof(bus->i2c_algo));
memcpy(&bus->i2c_client, &cx231xx_client_template,
sizeof(bus->i2c_client));
bus->i2c_adap.dev.parent = &dev->udev->dev;
- strlcpy(bus->i2c_adap.name, bus->dev->name,
- sizeof(bus->i2c_adap.name));
+ strlcpy(bus->i2c_adap.name, bus->dev->name, sizeof(bus->i2c_adap.name));
bus->i2c_algo.data = bus;
bus->i2c_adap.algo_data = bus;
@@ -561,7 +582,7 @@ int cx231xx_i2c_register(struct cx231xx_i2c *bus)
cx231xx_do_i2c_scan(dev, &bus->i2c_client);
} else
cx231xx_warn("%s: i2c bus %d register FAILED\n",
- dev->name, bus->nr);
+ dev->name, bus->nr);
return bus->i2c_rc;
}
generated by cgit (git 2.34.1) at 2024-11-09 19:40:24 +0000