diff options
Diffstat (limited to 'drivers/media')
| -rw-r--r-- | drivers/media/dvb/frontends/cx24116.c | 16 |
1 files changed, 9 insertions, 7 deletions
diff --git a/drivers/media/dvb/frontends/cx24116.c b/drivers/media/dvb/frontends/cx24116.c index 26e65a66719a..95c6465b87a1 100644 --- a/drivers/media/dvb/frontends/cx24116.c +++ b/drivers/media/dvb/frontends/cx24116.c @@ -566,7 +566,7 @@ static int cx24116_load_firmware(struct dvb_frontend *fe, { struct cx24116_state *state = fe->demodulator_priv; struct cx24116_cmd cmd; - int i, ret, len, remaining; + int i, ret, len, max, remaining; unsigned char vers[4]; dprintk("%s\n", __func__); @@ -604,14 +604,16 @@ static int cx24116_load_firmware(struct dvb_frontend *fe, cx24116_writereg(state, 0xF6, 0x00); /* Split firmware to the max I2C write len and write. - * This overflows 16 bit intentionally in order to get max write - * len when i2c_wr_max is set to 0. */ - for (remaining = fw->size; remaining > 0; - remaining -= (u16) (state->config->i2c_wr_max - 1)) { + * Writes whole firmware as one write when i2c_wr_max is set to 0. */ + if (state->config->i2c_wr_max) + max = state->config->i2c_wr_max; + else + max = INT_MAX; /* enough for 32k firmware */ + for (remaining = fw->size; remaining > 0; remaining -= max - 1) { len = remaining; - if (len > (u16) (state->config->i2c_wr_max - 1)) - len = (u16) (state->config->i2c_wr_max - 1); + if (len > max - 1) + len = max - 1; cx24116_writeregN(state, 0xF7, &fw->data[fw->size - remaining], len); |