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path: root/drivers/media/dvb/frontends/cx24116.c
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Diffstat (limited to 'drivers/media/dvb/frontends/cx24116.c')
-rw-r--r--drivers/media/dvb/frontends/cx24116.c16
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);