Reviewed-by: Antti Palosaari cr...@iki.fi
PS. something to say about logging levels... but as it is staging
driver, criteria for patches is not so high yet.
regards
Antti
On 12/08/2014 10:31 PM, Benjamin Larsson wrote:
Signed-off-by: Benjamin Larsson benja...@southpole.se
---
drivers/staging/media/mn88472/mn88472.c | 15 +++
1 file changed, 15 insertions(+)
diff --git a/drivers/staging/media/mn88472/mn88472.c
b/drivers/staging/media/mn88472/mn88472.c
index df7dbe9..1df85a7 100644
--- a/drivers/staging/media/mn88472/mn88472.c
+++ b/drivers/staging/media/mn88472/mn88472.c
@@ -294,6 +294,7 @@ static int mn88472_init(struct dvb_frontend *fe)
int ret, len, remaining;
const struct firmware *fw = NULL;
u8 *fw_file = MN88472_FIRMWARE;
+ unsigned int csum;
dev_dbg(client-dev, \n);
@@ -346,6 +347,20 @@ static int mn88472_init(struct dvb_frontend *fe)
}
}
+ /* parity check of firmware */
+ ret = regmap_read(dev-regmap[0], 0xf8, csum);
+ if (ret) {
+ dev_err(client-dev,
+ parity reg read failed=%d\n, ret);
+ goto err;
+ }
+ if (csum 0x10) {
+ dev_err(client-dev,
+ firmware parity check failed=0x%x\n, csum);
+ goto err;
+ }
+ dev_err(client-dev, firmware parity check succeeded=0x%x\n, csum);
+
ret = regmap_write(dev-regmap[0], 0xf5, 0x00);
if (ret)
goto err;
--
http://palosaari.fi/
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