640 lines
15 KiB
C
640 lines
15 KiB
C
/*
|
|
* Copyright (C) 2008 Sensoray Company Inc.
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License (Version 2) as
|
|
* published by the Free Software Foundation.
|
|
*
|
|
* 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.
|
|
*/
|
|
|
|
#include <linux/module.h>
|
|
#include <linux/usb.h>
|
|
#include <linux/i2c.h>
|
|
#include <linux/videodev2.h>
|
|
#include <linux/slab.h>
|
|
#include <media/v4l2-device.h>
|
|
#include <media/v4l2-common.h>
|
|
#include <media/v4l2-subdev.h>
|
|
#include "go7007-priv.h"
|
|
|
|
MODULE_DESCRIPTION("Sensoray 2250/2251 i2c v4l2 subdev driver");
|
|
MODULE_LICENSE("GPL v2");
|
|
|
|
/*
|
|
* Note: this board has two i2c devices: a vpx3226f and a tlv320aic23b.
|
|
* Due to the unusual way these are accessed on this device we do not
|
|
* reuse the i2c drivers, but instead they are implemented in this
|
|
* driver. It would be nice to improve on this, though.
|
|
*/
|
|
|
|
#define TLV320_ADDRESS 0x34
|
|
#define VPX322_ADDR_ANALOGCONTROL1 0x02
|
|
#define VPX322_ADDR_BRIGHTNESS0 0x0127
|
|
#define VPX322_ADDR_BRIGHTNESS1 0x0131
|
|
#define VPX322_ADDR_CONTRAST0 0x0128
|
|
#define VPX322_ADDR_CONTRAST1 0x0132
|
|
#define VPX322_ADDR_HUE 0x00dc
|
|
#define VPX322_ADDR_SAT 0x0030
|
|
|
|
struct go7007_usb_board {
|
|
unsigned int flags;
|
|
struct go7007_board_info main_info;
|
|
};
|
|
|
|
struct go7007_usb {
|
|
struct go7007_usb_board *board;
|
|
struct mutex i2c_lock;
|
|
struct usb_device *usbdev;
|
|
struct urb *video_urbs[8];
|
|
struct urb *audio_urbs[8];
|
|
struct urb *intr_urb;
|
|
};
|
|
|
|
static unsigned char aud_regs[] = {
|
|
0x1e, 0x00,
|
|
0x00, 0x17,
|
|
0x02, 0x17,
|
|
0x04, 0xf9,
|
|
0x06, 0xf9,
|
|
0x08, 0x02,
|
|
0x0a, 0x00,
|
|
0x0c, 0x00,
|
|
0x0a, 0x00,
|
|
0x0c, 0x00,
|
|
0x0e, 0x02,
|
|
0x10, 0x00,
|
|
0x12, 0x01,
|
|
0x00, 0x00,
|
|
};
|
|
|
|
|
|
static unsigned char vid_regs[] = {
|
|
0xF2, 0x0f,
|
|
0xAA, 0x00,
|
|
0xF8, 0xff,
|
|
0x00, 0x00,
|
|
};
|
|
|
|
static u16 vid_regs_fp[] = {
|
|
0x028, 0x067,
|
|
0x120, 0x016,
|
|
0x121, 0xcF2,
|
|
0x122, 0x0F2,
|
|
0x123, 0x00c,
|
|
0x124, 0x2d0,
|
|
0x125, 0x2e0,
|
|
0x126, 0x004,
|
|
0x128, 0x1E0,
|
|
0x12A, 0x016,
|
|
0x12B, 0x0F2,
|
|
0x12C, 0x0F2,
|
|
0x12D, 0x00c,
|
|
0x12E, 0x2d0,
|
|
0x12F, 0x2e0,
|
|
0x130, 0x004,
|
|
0x132, 0x1E0,
|
|
0x140, 0x060,
|
|
0x153, 0x00C,
|
|
0x154, 0x200,
|
|
0x150, 0x801,
|
|
0x000, 0x000
|
|
};
|
|
|
|
/* PAL specific values */
|
|
static u16 vid_regs_fp_pal[] = {
|
|
0x120, 0x017,
|
|
0x121, 0xd22,
|
|
0x122, 0x122,
|
|
0x12A, 0x017,
|
|
0x12B, 0x122,
|
|
0x12C, 0x122,
|
|
0x140, 0x060,
|
|
0x000, 0x000,
|
|
};
|
|
|
|
struct s2250 {
|
|
struct v4l2_subdev sd;
|
|
struct v4l2_ctrl_handler hdl;
|
|
v4l2_std_id std;
|
|
int input;
|
|
int brightness;
|
|
int contrast;
|
|
int saturation;
|
|
int hue;
|
|
int reg12b_val;
|
|
int audio_input;
|
|
struct i2c_client *audio;
|
|
};
|
|
|
|
static inline struct s2250 *to_state(struct v4l2_subdev *sd)
|
|
{
|
|
return container_of(sd, struct s2250, sd);
|
|
}
|
|
|
|
/* from go7007-usb.c which is Copyright (C) 2005-2006 Micronas USA Inc.*/
|
|
static int go7007_usb_vendor_request(struct go7007 *go, u16 request,
|
|
u16 value, u16 index, void *transfer_buffer, int length, int in)
|
|
{
|
|
struct go7007_usb *usb = go->hpi_context;
|
|
int timeout = 5000;
|
|
|
|
if (in) {
|
|
return usb_control_msg(usb->usbdev,
|
|
usb_rcvctrlpipe(usb->usbdev, 0), request,
|
|
USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_IN,
|
|
value, index, transfer_buffer, length, timeout);
|
|
} else {
|
|
return usb_control_msg(usb->usbdev,
|
|
usb_sndctrlpipe(usb->usbdev, 0), request,
|
|
USB_TYPE_VENDOR | USB_RECIP_DEVICE,
|
|
value, index, transfer_buffer, length, timeout);
|
|
}
|
|
}
|
|
/* end from go7007-usb.c which is Copyright (C) 2005-2006 Micronas USA Inc.*/
|
|
|
|
static int write_reg(struct i2c_client *client, u8 reg, u8 value)
|
|
{
|
|
struct go7007 *go = i2c_get_adapdata(client->adapter);
|
|
struct go7007_usb *usb;
|
|
int rc;
|
|
int dev_addr = client->addr << 1; /* firmware wants 8-bit address */
|
|
u8 *buf;
|
|
|
|
if (go == NULL)
|
|
return -ENODEV;
|
|
|
|
if (go->status == STATUS_SHUTDOWN)
|
|
return -EBUSY;
|
|
|
|
buf = kzalloc(16, GFP_KERNEL);
|
|
if (buf == NULL)
|
|
return -ENOMEM;
|
|
|
|
usb = go->hpi_context;
|
|
if (mutex_lock_interruptible(&usb->i2c_lock) != 0) {
|
|
dev_info(&client->dev, "i2c lock failed\n");
|
|
kfree(buf);
|
|
return -EINTR;
|
|
}
|
|
rc = go7007_usb_vendor_request(go, 0x55, dev_addr,
|
|
(reg<<8 | value),
|
|
buf,
|
|
16, 1);
|
|
|
|
mutex_unlock(&usb->i2c_lock);
|
|
kfree(buf);
|
|
return rc;
|
|
}
|
|
|
|
static int write_reg_fp(struct i2c_client *client, u16 addr, u16 val)
|
|
{
|
|
struct go7007 *go = i2c_get_adapdata(client->adapter);
|
|
struct go7007_usb *usb;
|
|
int rc;
|
|
u8 *buf;
|
|
struct s2250 *dec = i2c_get_clientdata(client);
|
|
|
|
if (go == NULL)
|
|
return -ENODEV;
|
|
|
|
if (go->status == STATUS_SHUTDOWN)
|
|
return -EBUSY;
|
|
|
|
buf = kzalloc(16, GFP_KERNEL);
|
|
|
|
if (buf == NULL)
|
|
return -ENOMEM;
|
|
|
|
|
|
|
|
memset(buf, 0xcd, 6);
|
|
|
|
usb = go->hpi_context;
|
|
if (mutex_lock_interruptible(&usb->i2c_lock) != 0) {
|
|
dev_info(&client->dev, "i2c lock failed\n");
|
|
kfree(buf);
|
|
return -EINTR;
|
|
}
|
|
rc = go7007_usb_vendor_request(go, 0x57, addr, val, buf, 16, 1);
|
|
mutex_unlock(&usb->i2c_lock);
|
|
if (rc < 0) {
|
|
kfree(buf);
|
|
return rc;
|
|
}
|
|
|
|
if (buf[0] == 0) {
|
|
unsigned int subaddr, val_read;
|
|
|
|
subaddr = (buf[4] << 8) + buf[5];
|
|
val_read = (buf[2] << 8) + buf[3];
|
|
kfree(buf);
|
|
if (val_read != val) {
|
|
dev_info(&client->dev, "invalid fp write %x %x\n",
|
|
val_read, val);
|
|
return -EFAULT;
|
|
}
|
|
if (subaddr != addr) {
|
|
dev_info(&client->dev, "invalid fp write addr %x %x\n",
|
|
subaddr, addr);
|
|
return -EFAULT;
|
|
}
|
|
} else {
|
|
kfree(buf);
|
|
return -EFAULT;
|
|
}
|
|
|
|
/* save last 12b value */
|
|
if (addr == 0x12b)
|
|
dec->reg12b_val = val;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int read_reg_fp(struct i2c_client *client, u16 addr, u16 *val)
|
|
{
|
|
struct go7007 *go = i2c_get_adapdata(client->adapter);
|
|
struct go7007_usb *usb;
|
|
int rc;
|
|
u8 *buf;
|
|
|
|
if (go == NULL)
|
|
return -ENODEV;
|
|
|
|
if (go->status == STATUS_SHUTDOWN)
|
|
return -EBUSY;
|
|
|
|
buf = kzalloc(16, GFP_KERNEL);
|
|
|
|
if (buf == NULL)
|
|
return -ENOMEM;
|
|
|
|
|
|
|
|
memset(buf, 0xcd, 6);
|
|
usb = go->hpi_context;
|
|
if (mutex_lock_interruptible(&usb->i2c_lock) != 0) {
|
|
dev_info(&client->dev, "i2c lock failed\n");
|
|
kfree(buf);
|
|
return -EINTR;
|
|
}
|
|
rc = go7007_usb_vendor_request(go, 0x58, addr, 0, buf, 16, 1);
|
|
mutex_unlock(&usb->i2c_lock);
|
|
if (rc < 0) {
|
|
kfree(buf);
|
|
return rc;
|
|
}
|
|
|
|
*val = (buf[0] << 8) | buf[1];
|
|
kfree(buf);
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
static int write_regs(struct i2c_client *client, u8 *regs)
|
|
{
|
|
int i;
|
|
|
|
for (i = 0; !((regs[i] == 0x00) && (regs[i+1] == 0x00)); i += 2) {
|
|
if (write_reg(client, regs[i], regs[i+1]) < 0) {
|
|
dev_info(&client->dev, "failed\n");
|
|
return -1;
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static int write_regs_fp(struct i2c_client *client, u16 *regs)
|
|
{
|
|
int i;
|
|
|
|
for (i = 0; !((regs[i] == 0x00) && (regs[i+1] == 0x00)); i += 2) {
|
|
if (write_reg_fp(client, regs[i], regs[i+1]) < 0) {
|
|
dev_info(&client->dev, "failed fp\n");
|
|
return -1;
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
|
|
/* ------------------------------------------------------------------------- */
|
|
|
|
static int s2250_s_video_routing(struct v4l2_subdev *sd, u32 input, u32 output,
|
|
u32 config)
|
|
{
|
|
struct s2250 *state = to_state(sd);
|
|
struct i2c_client *client = v4l2_get_subdevdata(sd);
|
|
int vidsys;
|
|
|
|
vidsys = (state->std == V4L2_STD_NTSC) ? 0x01 : 0x00;
|
|
if (input == 0) {
|
|
/* composite */
|
|
write_reg_fp(client, 0x20, 0x020 | vidsys);
|
|
write_reg_fp(client, 0x21, 0x662);
|
|
write_reg_fp(client, 0x140, 0x060);
|
|
} else if (input == 1) {
|
|
/* S-Video */
|
|
write_reg_fp(client, 0x20, 0x040 | vidsys);
|
|
write_reg_fp(client, 0x21, 0x666);
|
|
write_reg_fp(client, 0x140, 0x060);
|
|
} else {
|
|
return -EINVAL;
|
|
}
|
|
state->input = input;
|
|
return 0;
|
|
}
|
|
|
|
static int s2250_s_std(struct v4l2_subdev *sd, v4l2_std_id norm)
|
|
{
|
|
struct s2250 *state = to_state(sd);
|
|
struct i2c_client *client = v4l2_get_subdevdata(sd);
|
|
u16 vidsource;
|
|
|
|
vidsource = (state->input == 1) ? 0x040 : 0x020;
|
|
if (norm & V4L2_STD_625_50) {
|
|
write_regs_fp(client, vid_regs_fp);
|
|
write_regs_fp(client, vid_regs_fp_pal);
|
|
write_reg_fp(client, 0x20, vidsource);
|
|
} else {
|
|
write_regs_fp(client, vid_regs_fp);
|
|
write_reg_fp(client, 0x20, vidsource | 1);
|
|
}
|
|
state->std = norm;
|
|
return 0;
|
|
}
|
|
|
|
static int s2250_s_ctrl(struct v4l2_ctrl *ctrl)
|
|
{
|
|
struct s2250 *state = container_of(ctrl->handler, struct s2250, hdl);
|
|
struct i2c_client *client = v4l2_get_subdevdata(&state->sd);
|
|
u16 oldvalue;
|
|
|
|
switch (ctrl->id) {
|
|
case V4L2_CID_BRIGHTNESS:
|
|
read_reg_fp(client, VPX322_ADDR_BRIGHTNESS0, &oldvalue);
|
|
write_reg_fp(client, VPX322_ADDR_BRIGHTNESS0,
|
|
ctrl->val | (oldvalue & ~0xff));
|
|
read_reg_fp(client, VPX322_ADDR_BRIGHTNESS1, &oldvalue);
|
|
write_reg_fp(client, VPX322_ADDR_BRIGHTNESS1,
|
|
ctrl->val | (oldvalue & ~0xff));
|
|
write_reg_fp(client, 0x140, 0x60);
|
|
break;
|
|
case V4L2_CID_CONTRAST:
|
|
read_reg_fp(client, VPX322_ADDR_CONTRAST0, &oldvalue);
|
|
write_reg_fp(client, VPX322_ADDR_CONTRAST0,
|
|
ctrl->val | (oldvalue & ~0x3f));
|
|
read_reg_fp(client, VPX322_ADDR_CONTRAST1, &oldvalue);
|
|
write_reg_fp(client, VPX322_ADDR_CONTRAST1,
|
|
ctrl->val | (oldvalue & ~0x3f));
|
|
write_reg_fp(client, 0x140, 0x60);
|
|
break;
|
|
case V4L2_CID_SATURATION:
|
|
write_reg_fp(client, VPX322_ADDR_SAT, ctrl->val);
|
|
break;
|
|
case V4L2_CID_HUE:
|
|
write_reg_fp(client, VPX322_ADDR_HUE, ctrl->val);
|
|
break;
|
|
default:
|
|
return -EINVAL;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static int s2250_set_fmt(struct v4l2_subdev *sd,
|
|
struct v4l2_subdev_pad_config *cfg,
|
|
struct v4l2_subdev_format *format)
|
|
{
|
|
struct v4l2_mbus_framefmt *fmt = &format->format;
|
|
struct s2250 *state = to_state(sd);
|
|
struct i2c_client *client = v4l2_get_subdevdata(sd);
|
|
|
|
if (format->pad)
|
|
return -EINVAL;
|
|
|
|
if (format->which == V4L2_SUBDEV_FORMAT_TRY)
|
|
return 0;
|
|
|
|
if (fmt->height < 640) {
|
|
write_reg_fp(client, 0x12b, state->reg12b_val | 0x400);
|
|
write_reg_fp(client, 0x140, 0x060);
|
|
} else {
|
|
write_reg_fp(client, 0x12b, state->reg12b_val & ~0x400);
|
|
write_reg_fp(client, 0x140, 0x060);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static int s2250_s_audio_routing(struct v4l2_subdev *sd, u32 input, u32 output,
|
|
u32 config)
|
|
{
|
|
struct s2250 *state = to_state(sd);
|
|
|
|
switch (input) {
|
|
case 0:
|
|
write_reg(state->audio, 0x08, 0x02); /* Line In */
|
|
break;
|
|
case 1:
|
|
write_reg(state->audio, 0x08, 0x04); /* Mic */
|
|
break;
|
|
case 2:
|
|
write_reg(state->audio, 0x08, 0x05); /* Mic Boost */
|
|
break;
|
|
default:
|
|
return -EINVAL;
|
|
}
|
|
state->audio_input = input;
|
|
return 0;
|
|
}
|
|
|
|
|
|
static int s2250_log_status(struct v4l2_subdev *sd)
|
|
{
|
|
struct s2250 *state = to_state(sd);
|
|
|
|
v4l2_info(sd, "Standard: %s\n", state->std == V4L2_STD_NTSC ? "NTSC" :
|
|
state->std == V4L2_STD_PAL ? "PAL" :
|
|
state->std == V4L2_STD_SECAM ? "SECAM" :
|
|
"unknown");
|
|
v4l2_info(sd, "Input: %s\n", state->input == 0 ? "Composite" :
|
|
state->input == 1 ? "S-video" :
|
|
"error");
|
|
v4l2_info(sd, "Audio input: %s\n", state->audio_input == 0 ? "Line In" :
|
|
state->audio_input == 1 ? "Mic" :
|
|
state->audio_input == 2 ? "Mic Boost" :
|
|
"error");
|
|
return v4l2_ctrl_subdev_log_status(sd);
|
|
}
|
|
|
|
/* --------------------------------------------------------------------------*/
|
|
|
|
static const struct v4l2_ctrl_ops s2250_ctrl_ops = {
|
|
.s_ctrl = s2250_s_ctrl,
|
|
};
|
|
|
|
static const struct v4l2_subdev_core_ops s2250_core_ops = {
|
|
.log_status = s2250_log_status,
|
|
};
|
|
|
|
static const struct v4l2_subdev_audio_ops s2250_audio_ops = {
|
|
.s_routing = s2250_s_audio_routing,
|
|
};
|
|
|
|
static const struct v4l2_subdev_video_ops s2250_video_ops = {
|
|
.s_std = s2250_s_std,
|
|
.s_routing = s2250_s_video_routing,
|
|
};
|
|
|
|
static const struct v4l2_subdev_pad_ops s2250_pad_ops = {
|
|
.set_fmt = s2250_set_fmt,
|
|
};
|
|
|
|
static const struct v4l2_subdev_ops s2250_ops = {
|
|
.core = &s2250_core_ops,
|
|
.audio = &s2250_audio_ops,
|
|
.video = &s2250_video_ops,
|
|
.pad = &s2250_pad_ops,
|
|
};
|
|
|
|
/* --------------------------------------------------------------------------*/
|
|
|
|
static int s2250_probe(struct i2c_client *client,
|
|
const struct i2c_device_id *id)
|
|
{
|
|
struct i2c_client *audio;
|
|
struct i2c_adapter *adapter = client->adapter;
|
|
struct s2250 *state;
|
|
struct v4l2_subdev *sd;
|
|
u8 *data;
|
|
struct go7007 *go = i2c_get_adapdata(adapter);
|
|
struct go7007_usb *usb = go->hpi_context;
|
|
|
|
audio = i2c_new_dummy(adapter, TLV320_ADDRESS >> 1);
|
|
if (audio == NULL)
|
|
return -ENOMEM;
|
|
|
|
state = kzalloc(sizeof(struct s2250), GFP_KERNEL);
|
|
if (state == NULL) {
|
|
i2c_unregister_device(audio);
|
|
return -ENOMEM;
|
|
}
|
|
|
|
sd = &state->sd;
|
|
v4l2_i2c_subdev_init(sd, client, &s2250_ops);
|
|
|
|
v4l2_info(sd, "initializing %s at address 0x%x on %s\n",
|
|
"Sensoray 2250/2251", client->addr, client->adapter->name);
|
|
|
|
v4l2_ctrl_handler_init(&state->hdl, 4);
|
|
v4l2_ctrl_new_std(&state->hdl, &s2250_ctrl_ops,
|
|
V4L2_CID_BRIGHTNESS, -128, 127, 1, 0);
|
|
v4l2_ctrl_new_std(&state->hdl, &s2250_ctrl_ops,
|
|
V4L2_CID_CONTRAST, 0, 0x3f, 1, 0x32);
|
|
v4l2_ctrl_new_std(&state->hdl, &s2250_ctrl_ops,
|
|
V4L2_CID_SATURATION, 0, 4094, 1, 2070);
|
|
v4l2_ctrl_new_std(&state->hdl, &s2250_ctrl_ops,
|
|
V4L2_CID_HUE, -512, 511, 1, 0);
|
|
sd->ctrl_handler = &state->hdl;
|
|
if (state->hdl.error) {
|
|
int err = state->hdl.error;
|
|
|
|
v4l2_ctrl_handler_free(&state->hdl);
|
|
kfree(state);
|
|
return err;
|
|
}
|
|
|
|
state->std = V4L2_STD_NTSC;
|
|
state->brightness = 50;
|
|
state->contrast = 50;
|
|
state->saturation = 50;
|
|
state->hue = 0;
|
|
state->audio = audio;
|
|
|
|
/* initialize the audio */
|
|
if (write_regs(audio, aud_regs) < 0) {
|
|
dev_err(&client->dev, "error initializing audio\n");
|
|
goto fail;
|
|
}
|
|
|
|
if (write_regs(client, vid_regs) < 0) {
|
|
dev_err(&client->dev, "error initializing decoder\n");
|
|
goto fail;
|
|
}
|
|
if (write_regs_fp(client, vid_regs_fp) < 0) {
|
|
dev_err(&client->dev, "error initializing decoder\n");
|
|
goto fail;
|
|
}
|
|
/* set default channel */
|
|
/* composite */
|
|
write_reg_fp(client, 0x20, 0x020 | 1);
|
|
write_reg_fp(client, 0x21, 0x662);
|
|
write_reg_fp(client, 0x140, 0x060);
|
|
|
|
/* set default audio input */
|
|
state->audio_input = 0;
|
|
write_reg(client, 0x08, 0x02); /* Line In */
|
|
|
|
if (mutex_lock_interruptible(&usb->i2c_lock) == 0) {
|
|
data = kzalloc(16, GFP_KERNEL);
|
|
if (data != NULL) {
|
|
int rc = go7007_usb_vendor_request(go, 0x41, 0, 0,
|
|
data, 16, 1);
|
|
|
|
if (rc > 0) {
|
|
u8 mask;
|
|
|
|
data[0] = 0;
|
|
mask = 1<<5;
|
|
data[0] &= ~mask;
|
|
data[1] |= mask;
|
|
go7007_usb_vendor_request(go, 0x40, 0,
|
|
(data[1]<<8)
|
|
+ data[1],
|
|
data, 16, 0);
|
|
}
|
|
kfree(data);
|
|
}
|
|
mutex_unlock(&usb->i2c_lock);
|
|
}
|
|
|
|
v4l2_info(sd, "initialized successfully\n");
|
|
return 0;
|
|
|
|
fail:
|
|
i2c_unregister_device(audio);
|
|
v4l2_ctrl_handler_free(&state->hdl);
|
|
kfree(state);
|
|
return -EIO;
|
|
}
|
|
|
|
static int s2250_remove(struct i2c_client *client)
|
|
{
|
|
struct s2250 *state = to_state(i2c_get_clientdata(client));
|
|
|
|
v4l2_device_unregister_subdev(&state->sd);
|
|
v4l2_ctrl_handler_free(&state->hdl);
|
|
kfree(state);
|
|
return 0;
|
|
}
|
|
|
|
static const struct i2c_device_id s2250_id[] = {
|
|
{ "s2250", 0 },
|
|
{ }
|
|
};
|
|
MODULE_DEVICE_TABLE(i2c, s2250_id);
|
|
|
|
static struct i2c_driver s2250_driver = {
|
|
.driver = {
|
|
.name = "s2250",
|
|
},
|
|
.probe = s2250_probe,
|
|
.remove = s2250_remove,
|
|
.id_table = s2250_id,
|
|
};
|
|
|
|
module_i2c_driver(s2250_driver);
|