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path: root/drivers/media/video/et61x251
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Diffstat (limited to 'drivers/media/video/et61x251')
-rw-r--r--drivers/media/video/et61x251/et61x251_core.c157
-rw-r--r--drivers/media/video/et61x251/et61x251_sensor.h8
2 files changed, 78 insertions, 87 deletions
diff --git a/drivers/media/video/et61x251/et61x251_core.c b/drivers/media/video/et61x251/et61x251_core.c
index d19d73b81ed..06b6a3ae06c 100644
--- a/drivers/media/video/et61x251/et61x251_core.c
+++ b/drivers/media/video/et61x251/et61x251_core.c
@@ -227,7 +227,7 @@ int et61x251_write_reg(struct et61x251_device* cam, u8 value, u16 index)
}
-int et61x251_read_reg(struct et61x251_device* cam, u16 index)
+static int et61x251_read_reg(struct et61x251_device* cam, u16 index)
{
struct usb_device* udev = cam->usbdev;
u8* buff = cam->control_buffer;
@@ -269,73 +269,6 @@ et61x251_i2c_wait(struct et61x251_device* cam,
int
-et61x251_i2c_try_read(struct et61x251_device* cam,
- const struct et61x251_sensor* sensor, u8 address)
-{
- struct usb_device* udev = cam->usbdev;
- u8* data = cam->control_buffer;
- int err = 0, res;
-
- data[0] = address;
- data[1] = cam->sensor.i2c_slave_id;
- data[2] = cam->sensor.rsta | 0x10;
- data[3] = !(et61x251_read_reg(cam, 0x8b) & 0x02);
- res = usb_control_msg(udev, usb_sndctrlpipe(udev, 0), 0x00, 0x41,
- 0, 0x88, data, 4, ET61X251_CTRL_TIMEOUT);
- if (res < 0)
- err += res;
-
- err += et61x251_i2c_wait(cam, sensor);
-
- res = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0), 0x00, 0xc1,
- 0, 0x80, data, 8, ET61X251_CTRL_TIMEOUT);
- if (res < 0)
- err += res;
-
- if (err)
- DBG(3, "I2C read failed for %s image sensor", sensor->name);
-
- PDBGG("I2C read: address 0x%02X, value: 0x%02X", address, data[0]);
-
- return err ? -1 : (int)data[0];
-}
-
-
-int
-et61x251_i2c_try_write(struct et61x251_device* cam,
- const struct et61x251_sensor* sensor, u8 address,
- u8 value)
-{
- struct usb_device* udev = cam->usbdev;
- u8* data = cam->control_buffer;
- int err = 0, res;
-
- data[0] = address;
- data[1] = cam->sensor.i2c_slave_id;
- data[2] = cam->sensor.rsta | 0x12;
- res = usb_control_msg(udev, usb_sndctrlpipe(udev, 0), 0x00, 0x41,
- 0, 0x88, data, 3, ET61X251_CTRL_TIMEOUT);
- if (res < 0)
- err += res;
-
- data[0] = value;
- res = usb_control_msg(udev, usb_sndctrlpipe(udev, 0), 0x00, 0x41,
- 0, 0x80, data, 1, ET61X251_CTRL_TIMEOUT);
- if (res < 0)
- err += res;
-
- err += et61x251_i2c_wait(cam, sensor);
-
- if (err)
- DBG(3, "I2C write failed for %s image sensor", sensor->name);
-
- PDBGG("I2C write: address 0x%02X, value: 0x%02X", address, value);
-
- return err ? -1 : 0;
-}
-
-
-int
et61x251_i2c_raw_write(struct et61x251_device* cam, u8 n, u8 data1, u8 data2,
u8 data3, u8 data4, u8 data5, u8 data6, u8 data7,
u8 data8, u8 address)
@@ -387,17 +320,6 @@ et61x251_i2c_raw_write(struct et61x251_device* cam, u8 n, u8 data1, u8 data2,
}
-int et61x251_i2c_read(struct et61x251_device* cam, u8 address)
-{
- return et61x251_i2c_try_read(cam, &cam->sensor, address);
-}
-
-
-int et61x251_i2c_write(struct et61x251_device* cam, u8 address, u8 value)
-{
- return et61x251_i2c_try_write(cam, &cam->sensor, address, value);
-}
-
/*****************************************************************************/
static void et61x251_urb_complete(struct urb *urb)
@@ -675,6 +597,83 @@ static int et61x251_stream_interrupt(struct et61x251_device* cam)
/*****************************************************************************/
#ifdef CONFIG_VIDEO_ADV_DEBUG
+
+static int et61x251_i2c_try_read(struct et61x251_device* cam,
+ const struct et61x251_sensor* sensor,
+ u8 address)
+{
+ struct usb_device* udev = cam->usbdev;
+ u8* data = cam->control_buffer;
+ int err = 0, res;
+
+ data[0] = address;
+ data[1] = cam->sensor.i2c_slave_id;
+ data[2] = cam->sensor.rsta | 0x10;
+ data[3] = !(et61x251_read_reg(cam, 0x8b) & 0x02);
+ res = usb_control_msg(udev, usb_sndctrlpipe(udev, 0), 0x00, 0x41,
+ 0, 0x88, data, 4, ET61X251_CTRL_TIMEOUT);
+ if (res < 0)
+ err += res;
+
+ err += et61x251_i2c_wait(cam, sensor);
+
+ res = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0), 0x00, 0xc1,
+ 0, 0x80, data, 8, ET61X251_CTRL_TIMEOUT);
+ if (res < 0)
+ err += res;
+
+ if (err)
+ DBG(3, "I2C read failed for %s image sensor", sensor->name);
+
+ PDBGG("I2C read: address 0x%02X, value: 0x%02X", address, data[0]);
+
+ return err ? -1 : (int)data[0];
+}
+
+
+static int et61x251_i2c_try_write(struct et61x251_device* cam,
+ const struct et61x251_sensor* sensor,
+ u8 address, u8 value)
+{
+ struct usb_device* udev = cam->usbdev;
+ u8* data = cam->control_buffer;
+ int err = 0, res;
+
+ data[0] = address;
+ data[1] = cam->sensor.i2c_slave_id;
+ data[2] = cam->sensor.rsta | 0x12;
+ res = usb_control_msg(udev, usb_sndctrlpipe(udev, 0), 0x00, 0x41,
+ 0, 0x88, data, 3, ET61X251_CTRL_TIMEOUT);
+ if (res < 0)
+ err += res;
+
+ data[0] = value;
+ res = usb_control_msg(udev, usb_sndctrlpipe(udev, 0), 0x00, 0x41,
+ 0, 0x80, data, 1, ET61X251_CTRL_TIMEOUT);
+ if (res < 0)
+ err += res;
+
+ err += et61x251_i2c_wait(cam, sensor);
+
+ if (err)
+ DBG(3, "I2C write failed for %s image sensor", sensor->name);
+
+ PDBGG("I2C write: address 0x%02X, value: 0x%02X", address, value);
+
+ return err ? -1 : 0;
+}
+
+static int et61x251_i2c_read(struct et61x251_device* cam, u8 address)
+{
+ return et61x251_i2c_try_read(cam, &cam->sensor, address);
+}
+
+static int et61x251_i2c_write(struct et61x251_device* cam,
+ u8 address, u8 value)
+{
+ return et61x251_i2c_try_write(cam, &cam->sensor, address, value);
+}
+
static u8 et61x251_strtou8(const char* buff, size_t len, ssize_t* count)
{
char str[5];
diff --git a/drivers/media/video/et61x251/et61x251_sensor.h b/drivers/media/video/et61x251/et61x251_sensor.h
index e1458633062..71a03148cb0 100644
--- a/drivers/media/video/et61x251/et61x251_sensor.h
+++ b/drivers/media/video/et61x251/et61x251_sensor.h
@@ -52,14 +52,6 @@ et61x251_attach_sensor(struct et61x251_device* cam,
/*****************************************************************************/
extern int et61x251_write_reg(struct et61x251_device*, u8 value, u16 index);
-extern int et61x251_read_reg(struct et61x251_device*, u16 index);
-extern int et61x251_i2c_write(struct et61x251_device*, u8 address, u8 value);
-extern int et61x251_i2c_read(struct et61x251_device*, u8 address);
-extern int et61x251_i2c_try_write(struct et61x251_device*,
- const struct et61x251_sensor*, u8 address,
- u8 value);
-extern int et61x251_i2c_try_read(struct et61x251_device*,
- const struct et61x251_sensor*, u8 address);
extern int et61x251_i2c_raw_write(struct et61x251_device*, u8 n, u8 data1,
u8 data2, u8 data3, u8 data4, u8 data5,
u8 data6, u8 data7, u8 data8, u8 address);
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-18 08:42:05 +0000