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path: root/drivers/media/video/cx25840/cx25840-firmware.c
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Diffstat (limited to 'drivers/media/video/cx25840/cx25840-firmware.c')
-rw-r--r--drivers/media/video/cx25840/cx25840-firmware.c49
1 files changed, 2 insertions, 47 deletions
diff --git a/drivers/media/video/cx25840/cx25840-firmware.c b/drivers/media/video/cx25840/cx25840-firmware.c
index f59ced181c5..1958d4016ea 100644
--- a/drivers/media/video/cx25840/cx25840-firmware.c
+++ b/drivers/media/video/cx25840/cx25840-firmware.c
@@ -39,29 +39,12 @@
#define FWDEV(x) &((x)->adapter->dev)
-static int fastfw = 1;
static char *firmware = FWFILE;
-module_param(fastfw, bool, 0444);
module_param(firmware, charp, 0444);
-MODULE_PARM_DESC(fastfw, "Load firmware fast [0=100MHz 1=333MHz (default)]");
MODULE_PARM_DESC(firmware, "Firmware image [default: " FWFILE "]");
-static void set_i2c_delay(struct i2c_client *client, int delay)
-{
- struct i2c_algo_bit_data *algod = client->adapter->algo_data;
-
- /* We aren't guaranteed to be using algo_bit,
- * so avoid the null pointer dereference
- * and disable the 'fast firmware load' */
- if (algod) {
- algod->udelay = delay;
- } else {
- fastfw = 0;
- }
-}
-
static void start_fw_load(struct i2c_client *client)
{
/* DL_ADDR_LB=0 DL_ADDR_HB=0 */
@@ -71,16 +54,10 @@ static void start_fw_load(struct i2c_client *client)
cx25840_write(client, 0x803, 0x0b);
/* AUTO_INC_DIS=1 */
cx25840_write(client, 0x000, 0x20);
-
- if (fastfw)
- set_i2c_delay(client, 3);
}
static void end_fw_load(struct i2c_client *client)
{
- if (fastfw)
- set_i2c_delay(client, 10);
-
/* AUTO_INC_DIS=0 */
cx25840_write(client, 0x000, 0x00);
/* DL_ENABLE=0 */
@@ -107,30 +84,8 @@ static int fw_write(struct i2c_client *client, u8 * data, int size)
int sent;
if ((sent = i2c_master_send(client, data, size)) < size) {
-
- if (fastfw) {
- v4l_err(client, "333MHz i2c firmware load failed\n");
- fastfw = 0;
- set_i2c_delay(client, 10);
-
- if (sent > 2) {
- u16 dl_addr = cx25840_read(client, 0x801) << 8;
- dl_addr |= cx25840_read(client, 0x800);
- dl_addr -= sent - 2;
- cx25840_write(client, 0x801, dl_addr >> 8);
- cx25840_write(client, 0x800, dl_addr & 0xff);
- }
-
- if (i2c_master_send(client, data, size) < size) {
- v4l_err(client, "100MHz i2c firmware load failed\n");
- return -ENOSYS;
- }
-
- } else {
- v4l_err(client, "firmware load i2c failure\n");
- return -ENOSYS;
- }
-
+ v4l_err(client, "firmware load i2c failure\n");
+ return -ENOSYS;
}
return 0;