Signed-off-by: David Woodhouse <dwmw2@infradead.org>
Acked-by: Hans Verkuil <hverkuil@xs4all.nl>
Acked-by: Tyler Trafford <ttrafford@gmail.com>
Acked-by: Mike Isely <isely@pobox.com>
-static int fw_write(struct i2c_client *client, u8 *data, int size)
+static int fw_write(struct i2c_client *client, const u8 *data, int size)
{
if (i2c_master_send(client, data, size) < size) {
v4l_err(client, "firmware load i2c failure\n");
{
if (i2c_master_send(client, data, size) < size) {
v4l_err(client, "firmware load i2c failure\n");
{
struct cx25840_state *state = i2c_get_clientdata(client);
const struct firmware *fw = NULL;
{
struct cx25840_state *state = i2c_get_clientdata(client);
const struct firmware *fw = NULL;
+ u8 buffer[FWSEND];
+ const u8 *ptr;
int size, retval;
if (state->is_cx23885)
int size, retval;
if (state->is_cx23885)
buffer[0] = 0x08;
buffer[1] = 0x02;
buffer[0] = 0x08;
buffer[1] = 0x02;
- buffer[2] = fw->data[0];
- buffer[3] = fw->data[1];
- retval = fw_write(client, buffer, 4);
- if (retval < 0) {
- release_firmware(fw);
- return retval;
- }
-
- size = fw->size - 2;
ptr = fw->data;
while (size > 0) {
ptr = fw->data;
while (size > 0) {
- ptr[0] = 0x08;
- ptr[1] = 0x02;
- retval = fw_write(client, ptr, min(FWSEND, size + 2));
+ int len = min(FWSEND - 2, size);
+
+ memcpy(buffer + 2, ptr, len);
+
+ retval = fw_write(client, buffer, len + 2);
if (retval < 0) {
release_firmware(fw);
return retval;
}
if (retval < 0) {
release_firmware(fw);
return retval;
}
- size -= FWSEND - 2;
- ptr += FWSEND - 2;
+ size -= len;
+ ptr += len;