The firmware must be loaded one byte at a time via the 0xf6 register.
Signed-off-by: Benjamin Larsson <benja...@southpole.se>
---
drivers/staging/media/mn88472/mn88472.c | 21 +++++++--------------
1 file changed, 7 insertions(+), 14 deletions(-)
diff --git a/drivers/staging/media/mn88472/mn88472.c
b/drivers/staging/media/mn88472/mn88472.c
index ffee187..ba1bc8d 100644
--- a/drivers/staging/media/mn88472/mn88472.c
+++ b/drivers/staging/media/mn88472/mn88472.c
@@ -290,7 +290,7 @@ static int mn88472_init(struct dvb_frontend *fe)
{
struct i2c_client *client = fe->demodulator_priv;
struct mn88472_dev *dev = i2c_get_clientdata(client);
- int ret, len, remaining;
+ int ret, i;
const struct firmware *fw = NULL;
u8 *fw_file = MN88472_FIRMWARE;
@@ -330,19 +330,12 @@ static int mn88472_init(struct dvb_frontend *fe)
if (ret)
goto err;
- for (remaining = fw->size; remaining > 0;
- remaining -= (dev->i2c_wr_max - 1)) {
- len = remaining;
- if (len > (dev->i2c_wr_max - 1))
- len = (dev->i2c_wr_max - 1);
-
- ret = regmap_bulk_write(dev->regmap[0], 0xf6,
- &fw->data[fw->size - remaining], len);
- if (ret) {
- dev_err(&client->dev,
- "firmware download failed=%d\n", ret);
- goto err;
- }
+ for (i = 0 ; i < fw->size ; i++)
+ ret |= regmap_write(dev->regmap[0], 0xf6, fw->data[i]);
+ if (ret) {
+ dev_err(&client->dev,
+ "firmware download failed=%d\n", ret);
+ goto err;
}
ret = regmap_write(dev->regmap[0], 0xf5, 0x00);
--
1.9.1
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