diff options
author | Ingo Molnar <mingo@elte.hu> | 2008-07-16 00:29:07 +0200 |
---|---|---|
committer | Ingo Molnar <mingo@elte.hu> | 2008-07-16 00:29:07 +0200 |
commit | 82638844d9a8581bbf33201cc209a14876eca167 (patch) | |
tree | 961d7f9360194421a71aa644a9d0c176a960ce49 /drivers/media/video/cx25840/cx25840-firmware.c | |
parent | 9982fbface82893e77d211fbabfbd229da6bdde6 (diff) | |
parent | 63cf13b77ab785e87c867defa8545e6d4a989774 (diff) |
Merge branch 'linus' into cpus4096
Conflicts:
arch/x86/xen/smp.c
kernel/sched_rt.c
net/iucv/iucv.c
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'drivers/media/video/cx25840/cx25840-firmware.c')
-rw-r--r-- | drivers/media/video/cx25840/cx25840-firmware.c | 27 |
1 files changed, 11 insertions, 16 deletions
diff --git a/drivers/media/video/cx25840/cx25840-firmware.c b/drivers/media/video/cx25840/cx25840-firmware.c index 620d295947a..8d489a4b957 100644 --- a/drivers/media/video/cx25840/cx25840-firmware.c +++ b/drivers/media/video/cx25840/cx25840-firmware.c @@ -79,7 +79,7 @@ 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"); @@ -93,7 +93,8 @@ 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) @@ -108,29 +109,23 @@ 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); |