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[media] tda10071: do not download last byte of fw 

Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Antti Palosaari 2011-09-13 07:30:11 -03:00 committed by Mauro Carvalho Chehab
parent f6c226b550
commit 75d404ec04
1 changed files with 6 additions and 3 deletions
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9
drivers/media/dvb/frontends/tda10071.c
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@ -839,7 +839,7 @@ static int tda10071_init(struct dvb_frontend *fe)
{
struct tda10071_priv *priv = fe->demodulator_priv;
struct tda10071_cmd cmd;
int ret, i, len, remaining;
int ret, i, len, remaining, fw_size;
const struct firmware *fw;
u8 *fw_file = TDA10071_DEFAULT_FIRMWARE;
u8 tmp, buf[4];
@ -968,14 +968,17 @@ static int tda10071_init(struct dvb_frontend *fe)
info("downloading firmware from file '%s'", fw_file);
for (remaining = fw->size; remaining > 0;
/* do not download last byte */
fw_size = fw->size - 1;
for (remaining = fw_size; remaining > 0;
remaining -= (priv->cfg.i2c_wr_max - 1)) {
len = remaining;
if (len > (priv->cfg.i2c_wr_max - 1))
len = (priv->cfg.i2c_wr_max - 1);
ret = tda10071_wr_regs(priv, 0xfa,
(u8 *) &fw->data[fw->size - remaining], len);
(u8 *) &fw->data[fw_size - remaining], len);
if (ret) {
err("firmware download failed=%d", ret);
if (ret)