diff options
Diffstat (limited to 'drivers/media/dvb/dvb-usb/opera1.c')
| -rw-r--r-- | drivers/media/dvb/dvb-usb/opera1.c | 33 |
1 files changed, 21 insertions, 12 deletions
diff --git a/drivers/media/dvb/dvb-usb/opera1.c b/drivers/media/dvb/dvb-usb/opera1.c index 7e569f4dd80b..2e4fab7215f5 100644 --- a/drivers/media/dvb/dvb-usb/opera1.c +++ b/drivers/media/dvb/dvb-usb/opera1.c @@ -53,27 +53,36 @@ static int opera1_xilinx_rw(struct usb_device *dev, u8 request, u16 value, u8 * data, u16 len, int flags) { int ret; - u8 r; - u8 u8buf[len]; - + u8 tmp; + u8 *buf; unsigned int pipe = (flags == OPERA_READ_MSG) ? usb_rcvctrlpipe(dev,0) : usb_sndctrlpipe(dev, 0); u8 request_type = (flags == OPERA_READ_MSG) ? USB_DIR_IN : USB_DIR_OUT; + buf = kmalloc(len, GFP_KERNEL); + if (!buf) + return -ENOMEM; + if (flags == OPERA_WRITE_MSG) - memcpy(u8buf, data, len); - ret = - usb_control_msg(dev, pipe, request, request_type | USB_TYPE_VENDOR, - value, 0x0, u8buf, len, 2000); + memcpy(buf, data, len); + ret = usb_control_msg(dev, pipe, request, + request_type | USB_TYPE_VENDOR, value, 0x0, + buf, len, 2000); if (request == OPERA_TUNER_REQ) { + tmp = buf[0]; if (usb_control_msg(dev, usb_rcvctrlpipe(dev, 0), - OPERA_TUNER_REQ, USB_DIR_IN | USB_TYPE_VENDOR, - 0x01, 0x0, &r, 1, 2000)<1 || r!=0x08) - return 0; + OPERA_TUNER_REQ, USB_DIR_IN | USB_TYPE_VENDOR, + 0x01, 0x0, buf, 1, 2000) < 1 || buf[0] != 0x08) { + ret = 0; + goto out; + } + buf[0] = tmp; } if (flags == OPERA_READ_MSG) - memcpy(data, u8buf, len); + memcpy(data, buf, len); +out: + kfree(buf); return ret; } @@ -189,7 +198,7 @@ static int opera1_stv0299_set_symbol_rate(struct dvb_frontend *fe, u32 srate, static u8 opera1_inittab[] = { 0x00, 0xa1, 0x01, 0x15, - 0x02, 0x00, + 0x02, 0x30, 0x03, 0x00, 0x04, 0x7d, 0x05, 0x05, |