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| author | Jean-Francois Moine <moinejf@free.fr> | 2008-12-14 09:48:07 +0100 |
|---|---|---|
| committer | Jean-Francois Moine <moinejf@free.fr> | 2008-12-14 09:48:07 +0100 |
| commit | f74cfcac767db1991854892ac24f5ff39596b851 (patch) | |
| tree | 8d92ea09703165511a672aa1c7f1f7ecb5e00ea2 /linux | |
| parent | f5fcababcd2cc816a001298326635ea7c52b1cbd (diff) | |
| download | mediapointer-dvb-s2-f74cfcac767db1991854892ac24f5ff39596b851.tar.gz mediapointer-dvb-s2-f74cfcac767db1991854892ac24f5ff39596b851.tar.bz2 | |
gspca - ov534: Show sensor ID.
From: Antonio Ospite <ospite@studenti.unina.it>
The original version of sccb_read_reg() is from Jim Paris.
NOTE: as it is now reading sensor ID won't work for sensors on different
i2c slave address.
Priority: normal
Signed-off-by: Antonio Ospite <ospite@studenti.unina.it>
Signed-off-by: Jean-Francois Moine <moinejf@free.fr>
Diffstat (limited to 'linux')
| -rw-r--r-- | linux/drivers/media/video/gspca/ov534.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/linux/drivers/media/video/gspca/ov534.c b/linux/drivers/media/video/gspca/ov534.c index edcd92557..ad97b0be5 100644 --- a/linux/drivers/media/video/gspca/ov534.c +++ b/linux/drivers/media/video/gspca/ov534.c @@ -149,6 +149,20 @@ static void sccb_reg_write(struct usb_device *udev, u16 reg, u8 val) PDEBUG(D_ERR, "sccb_reg_write failed"); } +static u8 sccb_reg_read(struct usb_device *udev, u16 reg) +{ + ov534_reg_write(udev, OV534_REG_SUBADDR, reg); + ov534_reg_write(udev, OV534_REG_OPERATION, OV534_OP_WRITE_2); + if (!sccb_check_status(udev)) + PDEBUG(D_ERR, "sccb_reg_read failed 1"); + + ov534_reg_write(udev, OV534_REG_OPERATION, OV534_OP_READ_2); + if (!sccb_check_status(udev)) + PDEBUG(D_ERR, "sccb_reg_read failed 2"); + + return ov534_reg_read(udev, OV534_REG_READ); +} + static const __u8 ov534_reg_initdata[][2] = { { 0xe7, 0x3a }, @@ -339,6 +353,9 @@ static void ov534_setup(struct usb_device *udev) ov534_reg_write(udev, ov534_reg_initdata[i][0], ov534_reg_initdata[i][1]); + PDEBUG(D_PROBE, "sensor is ov%02x%02x", + sccb_reg_read(udev, 0x0a), sccb_reg_read(udev, 0x0b)); + ov534_set_led(udev, 1); /* Initialize sensor */ |