This chip can be found in the SpeedLink VAD Laplace webcam (1ae7:9003 and 1ae7:9004).
Signed-off-by: Frank Schäfer <fschaefer.oss@xxxxxxxxxxxxxx>
---
drivers/media/usb/em28xx/em28xx-cards.c | 13 ++++++++++++-
drivers/media/usb/em28xx/em28xx-reg.h | 1 +
drivers/media/usb/em28xx/em28xx.h | 1 +
3 Dateien geändert, 14 Zeilen hinzugefügt(+), 1 Zeile entfernt(-)
diff --git a/drivers/media/usb/em28xx/em28xx-cards.c b/drivers/media/usb/em28xx/em28xx-cards.c
index 75d4aef..e4d14e7 100644
--- a/drivers/media/usb/em28xx/em28xx-cards.c
+++ b/drivers/media/usb/em28xx/em28xx-cards.c
@@ -3015,6 +3015,12 @@ static int em28xx_init_dev(struct em28xx *dev, struct usb_device *udev,
case CHIP_ID_EM2750:
chip_name = "em2750";
break;
+ case CHIP_ID_EM2765:
+ chip_name = "em2765";
+ dev->wait_after_write = 0;
+ dev->is_em25xx = 1;
+ dev->eeprom_addrwidth_16bit = 1;
+ break;
case CHIP_ID_EM2820:
chip_name = "em2710/2820";
break;
@@ -3106,7 +3112,12 @@ static int em28xx_init_dev(struct em28xx *dev, struct usb_device *udev,
if (dev->board.is_em2800) {
dev->i2c_algo_type = EM28XX_I2C_ALGO_EM2800;
} else {
- dev->i2c_algo_type = EM28XX_I2C_ALGO_EM28XX;
+ if (dev->is_em25xx)
+ /* Use i2c bus B */
+ dev->i2c_algo_type = EM28XX_I2C_ALGO_EM25XX_BUS_B;
+ /* FIXME: really do this always ? */
+ else
+ dev->i2c_algo_type = EM28XX_I2C_ALGO_EM28XX;
retval = em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, dev->board.i2c_speed);
if (retval < 0) {
diff --git a/drivers/media/usb/em28xx/em28xx-reg.h b/drivers/media/usb/em28xx/em28xx-reg.h
index 1e369ba..d765d59 100644
--- a/drivers/media/usb/em28xx/em28xx-reg.h
+++ b/drivers/media/usb/em28xx/em28xx-reg.h
@@ -219,6 +219,7 @@ enum em28xx_chip_id {
CHIP_ID_EM2860 = 34,
CHIP_ID_EM2870 = 35,
CHIP_ID_EM2883 = 36,
+ CHIP_ID_EM2765 = 54,
CHIP_ID_EM2874 = 65,
CHIP_ID_EM2884 = 68,
CHIP_ID_EM28174 = 113,
diff --git a/drivers/media/usb/em28xx/em28xx.h b/drivers/media/usb/em28xx/em28xx.h
index b7c8134..131fdaa 100644
--- a/drivers/media/usb/em28xx/em28xx.h
+++ b/drivers/media/usb/em28xx/em28xx.h
@@ -469,6 +469,7 @@ struct em28xx {
int model; /* index in the device_data struct */
int devno; /* marks the number of this device */
enum em28xx_chip_id chip_id;
+ unsigned int is_em25xx:1; /* em25xx/em276x/7x/8x family bridge */
unsigned char disconnected:1; /* device has been diconnected */
--
1.7.10.4
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