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[media] it913x changed firmware loader for chip version 2 types

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On Thu, 2011-12-15 at 16:42 +0000, Malcolm Priestley wrote:
> > [ 1103.536156] it913x: Chip Version=ec Chip Type=5830
> > [ 1104.336178] it913x: Dual mode=92 Remote=92 Tuner Type=92
> > [ 1106.248116] dvb-usb: found a 'ITE 9135(9006) Generic' in cold state,
> > will try to load a firmware
> > [ 1106.253773] dvb-usb: downloading firmware from file
> > 'dvb-usb-it9135-02.fw'
> > [ 1106.452123] it913x: FRM Starting Firmware Download
> > [ 1130.756039] it913x: FRM Firmware Download Failed (ffffff92)
> > [ 1130.956168] it913x: Chip Version=79 Chip Type=5823
> > [ 1131.592192] it913x: DEV it913x Error
> > [ 1131.592271] usbcore: registered new interface driver it913x
> >
> > No frontend is generated anyway.
>
> Looks like the the firmware is not at all compatible with your device.
>
> Have you applied the patch cleanly to the latest media_build?
>
> These appear to be new version of the 9006. A supplier is sending me one
> of these devices.
>
> As a last resort see if the device works with dvb-usb-it9137-01.fw
>
> You will have force to use this firmware
> dvb-usb-it913x firmware=1

Here is a modified firmware loader for version 2 types.

The firmware must be as in original
./dvb_get_firmware it9135

dd if=dvb-usb-it9135.fw ibs=1 skip=12866 count=5817 of=dvb-usb-it9135-02.fw

Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Malcolm Priestley 2011-12-15 18:43:44 -03:00 committed by Mauro Carvalho Chehab
parent 6a2329ad1c
commit f0e07d7658
1 changed files with 7 additions and 2 deletions
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9
drivers/media/dvb/dvb-usb/it913x.c
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@ -558,7 +558,7 @@ static int it913x_download_firmware(struct usb_device *udev,
const struct firmware *fw) const struct firmware *fw)
{ {
int ret = 0, i = 0, pos = 0; int ret = 0, i = 0, pos = 0;
u8 packet_size; u8 packet_size, min_pkt;
u8 *fw_data; u8 *fw_data;
ret = it913x_wr_reg(udev, DEV_0, I2C_CLK, I2C_CLK_100); ret = it913x_wr_reg(udev, DEV_0, I2C_CLK, I2C_CLK_100);
@ -570,11 +570,16 @@ static int it913x_download_firmware(struct usb_device *udev,
/* The firmware must start with 03 XX 00 */ /* The firmware must start with 03 XX 00 */
/* and be the extact firmware length */ /* and be the extact firmware length */
if (it913x_config.chip_ver == 2)
min_pkt = 0x11;
else
min_pkt = 0x19;
while (i <= fw->size) { while (i <= fw->size) {
if (((fw->data[i] == 0x3) && (fw->data[i + 2] == 0x0)) if (((fw->data[i] == 0x3) && (fw->data[i + 2] == 0x0))
|| (i == fw->size)) { || (i == fw->size)) {
packet_size = i - pos; packet_size = i - pos;
if ((packet_size > 0x19) || (i == fw->size)) { if ((packet_size > min_pkt) || (i == fw->size)) {
fw_data = (u8 *)(fw->data + pos); fw_data = (u8 *)(fw->data + pos);
pos += packet_size; pos += packet_size;
if (packet_size > 0) if (packet_size > 0)