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[media] ec168: re-implement firmware loading 

Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Antti Palosaari 2012-06-12 22:16:12 -03:00 committed by Mauro Carvalho Chehab
parent d32be21800
commit 77e28ec279
1 changed files with 11 additions and 14 deletions
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25
drivers/media/dvb/dvb-usb/ec168.c
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@ -209,31 +209,28 @@ static int ec168_identify_state(struct dvb_usb_device *d)
static int ec168_download_firmware(struct dvb_usb_device *d,
const struct firmware *fw)
{
int i, len, packets, remainder, ret;
u16 addr = 0x0000; /* firmware start address */
int ret, len, remaining;
struct ec168_req req = {DOWNLOAD_FIRMWARE, 0, 0, 0, NULL};
pr_debug("%s:\n", __func__);
#define FW_PACKET_MAX_DATA 2048
packets = fw->size / FW_PACKET_MAX_DATA;
remainder = fw->size % FW_PACKET_MAX_DATA;
len = FW_PACKET_MAX_DATA;
for (i = 0; i <= packets; i++) {
if (i == packets) /* set size of the last packet */
len = remainder;
#define LEN_MAX 2048 /* max packet size */
for (remaining = fw->size; remaining > 0; remaining -= LEN_MAX) {
len = remaining;
if (len > LEN_MAX)
len = LEN_MAX;
req.size = len;
req.data = (u8 *)(fw->data + i * FW_PACKET_MAX_DATA);
req.index = addr;
addr += FW_PACKET_MAX_DATA;
req.data = (u8 *) &fw->data[fw->size - remaining];
req.index = fw->size - remaining;
ret = ec168_ctrl_msg(d, &req);
if (ret) {
pr_err("%s: firmware download failed=%d packet=%d\n",
KBUILD_MODNAME, ret, i);
pr_err("%s: firmware download failed=%d\n",
KBUILD_MODNAME, ret);
goto error;
}
}
req.size = 0;
/* set "warm"? */