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| author | Mauro Carvalho Chehab <mchehab@infradead.org> | 2008-07-26 05:47:42 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@infradead.org> | 2008-07-26 05:47:42 -0300 |
| commit | d1c3ce25c000fa72c7bfb3b42d88bfbe4f5e37fa (patch) | |
| tree | 551d1ce9ed77fcb5b2763cd8f606b46a043de386 /linux/drivers/media/video/cx25840/cx25840-firmware.c | |
| parent | 6324f3b71dfb070913efba2306010ae2e0a1df11 (diff) | |
| parent | e768886b19cdc2ba666bd52faa7797ff4151ced7 (diff) | |
| download | mediapointer-dvb-s2-d1c3ce25c000fa72c7bfb3b42d88bfbe4f5e37fa.tar.gz mediapointer-dvb-s2-d1c3ce25c000fa72c7bfb3b42d88bfbe4f5e37fa.tar.bz2 | |
merge: http://linuxtv.org/hg/~mkrufky/sms1xxx
From: Mauro Carvalho Chehab <mchehab@infradead.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Diffstat (limited to 'linux/drivers/media/video/cx25840/cx25840-firmware.c')
| -rw-r--r-- | linux/drivers/media/video/cx25840/cx25840-firmware.c | 27 |
1 files changed, 11 insertions, 16 deletions
diff --git a/linux/drivers/media/video/cx25840/cx25840-firmware.c b/linux/drivers/media/video/cx25840/cx25840-firmware.c index 95b84ce21..04a5dbb65 100644 --- a/linux/drivers/media/video/cx25840/cx25840-firmware.c +++ b/linux/drivers/media/video/cx25840/cx25840-firmware.c @@ -80,7 +80,7 @@ static int check_fw_load(struct i2c_client *client, int size) return 0; } -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"); @@ -94,7 +94,8 @@ int cx25840_loadfw(struct i2c_client *client) { struct cx25840_state *state = i2c_get_clientdata(client); const struct firmware *fw = NULL; - u8 buffer[4], *ptr; + u8 buffer[FWSEND]; + const u8 *ptr; int size, retval; if (state->is_cx23885) @@ -109,29 +110,23 @@ int cx25840_loadfw(struct i2c_client *client) 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; + size = fw->size; 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; } - size -= FWSEND - 2; - ptr += FWSEND - 2; + size -= len; + ptr += len; } end_fw_load(client); |