From f0e07d7658a81bc185b8ba58f062c16b79ac0e2b Mon Sep 17 00:00:00 2001 From: Malcolm Priestley Date: Thu, 15 Dec 2011 18:43:44 -0300 Subject: [PATCH] [media] it913x changed firmware loader for chip version 2 types 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 Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb/dvb-usb/it913x.c | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) diff --git a/drivers/media/dvb/dvb-usb/it913x.c b/drivers/media/dvb/dvb-usb/it913x.c index eb6a1bb..654aa7c 100644 --- a/drivers/media/dvb/dvb-usb/it913x.c +++ b/drivers/media/dvb/dvb-usb/it913x.c @@ -558,7 +558,7 @@ static int it913x_download_firmware(struct usb_device *udev, const struct firmware *fw) { int ret = 0, i = 0, pos = 0; - u8 packet_size; + u8 packet_size, min_pkt; u8 *fw_data; 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 */ /* and be the extact firmware length */ + if (it913x_config.chip_ver == 2) + min_pkt = 0x11; + else + min_pkt = 0x19; + while (i <= fw->size) { if (((fw->data[i] == 0x3) && (fw->data[i + 2] == 0x0)) || (i == fw->size)) { 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); pos += packet_size; if (packet_size > 0) -- 2.7.4