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V4L/DVB (12813): tm6000: all read messages should use prev_reg

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read messages with length>1 where using the wrong register.

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Mauro Carvalho Chehab 2007-11-05 11:03:04 -03:00
parent b1ce40b139
commit 28cb88caae
1 changed files with 5 additions and 15 deletions
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20
drivers/staging/tm6000/tm6000-i2c.c
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@ -113,21 +113,11 @@ static int tm6000_i2c_xfer(struct i2c_adapter *i2c_adap,
out of message data.
*/
/* SMBus Read Byte command */
if(msgs[i].len == 1) {
// we use the previously used register to read from
rc = tm6000_read_write_usb (dev,
USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
REQ_16_SET_GET_I2CSEQ,
addr | prev_reg<<8, 0,
msgs[i].buf, msgs[i].len);
}
else {
rc = tm6000_read_write_usb (dev,
USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
REQ_16_SET_GET_I2CSEQ,
addr|(*msgs[i].buf)<<8, 0,
msgs[i].buf, msgs[i].len);
}
rc = tm6000_read_write_usb (dev,
USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
REQ_16_SET_GET_I2CSEQ,
addr | (prev_reg << 8), 0,
msgs[i].buf, msgs[i].len);
if (i2c_debug>=2) {
for (byte = 0; byte < msgs[i].len; byte++) {
printk(" %02x", msgs[i].buf[byte]);