aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/media/video/ov7670.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/media/video/ov7670.c')
-rw-r--r--drivers/media/video/ov7670.c74
1 files changed, 32 insertions, 42 deletions
diff --git a/drivers/media/video/ov7670.c b/drivers/media/video/ov7670.c
index c881a64b41fd..d4e7c11553c3 100644
--- a/drivers/media/video/ov7670.c
+++ b/drivers/media/video/ov7670.c
@@ -1449,47 +1449,6 @@ static int ov7670_g_chip_ident(struct v4l2_subdev *sd,
1449 return v4l2_chip_ident_i2c_client(client, chip, V4L2_IDENT_OV7670, 0); 1449 return v4l2_chip_ident_i2c_client(client, chip, V4L2_IDENT_OV7670, 0);
1450} 1450}
1451 1451
1452static int ov7670_s_config(struct v4l2_subdev *sd, int dumb, void *data)
1453{
1454 struct i2c_client *client = v4l2_get_subdevdata(sd);
1455 struct ov7670_config *config = data;
1456 struct ov7670_info *info = to_state(sd);
1457 int ret;
1458
1459 info->clock_speed = 30; /* default: a guess */
1460
1461 /*
1462 * Must apply configuration before initializing device, because it
1463 * selects I/O method.
1464 */
1465 if (config) {
1466 info->min_width = config->min_width;
1467 info->min_height = config->min_height;
1468 info->use_smbus = config->use_smbus;
1469
1470 if (config->clock_speed)
1471 info->clock_speed = config->clock_speed;
1472 }
1473
1474 /* Make sure it's an ov7670 */
1475 ret = ov7670_detect(sd);
1476 if (ret) {
1477 v4l_dbg(1, debug, client,
1478 "chip found @ 0x%x (%s) is not an ov7670 chip.\n",
1479 client->addr << 1, client->adapter->name);
1480 kfree(info);
1481 return ret;
1482 }
1483 v4l_info(client, "chip found @ 0x%02x (%s)\n",
1484 client->addr << 1, client->adapter->name);
1485
1486 info->fmt = &ov7670_formats[0];
1487 info->sat = 128; /* Review this */
1488 info->clkrc = info->clock_speed / 30;
1489
1490 return 0;
1491}
1492
1493#ifdef CONFIG_VIDEO_ADV_DEBUG 1452#ifdef CONFIG_VIDEO_ADV_DEBUG
1494static int ov7670_g_register(struct v4l2_subdev *sd, struct v4l2_dbg_register *reg) 1453static int ov7670_g_register(struct v4l2_subdev *sd, struct v4l2_dbg_register *reg)
1495{ 1454{
@@ -1528,7 +1487,6 @@ static const struct v4l2_subdev_core_ops ov7670_core_ops = {
1528 .s_ctrl = ov7670_s_ctrl, 1487 .s_ctrl = ov7670_s_ctrl,
1529 .queryctrl = ov7670_queryctrl, 1488 .queryctrl = ov7670_queryctrl,
1530 .reset = ov7670_reset, 1489 .reset = ov7670_reset,
1531 .s_config = ov7670_s_config,
1532 .init = ov7670_init, 1490 .init = ov7670_init,
1533#ifdef CONFIG_VIDEO_ADV_DEBUG 1491#ifdef CONFIG_VIDEO_ADV_DEBUG
1534 .g_register = ov7670_g_register, 1492 .g_register = ov7670_g_register,
@@ -1558,6 +1516,7 @@ static int ov7670_probe(struct i2c_client *client,
1558{ 1516{
1559 struct v4l2_subdev *sd; 1517 struct v4l2_subdev *sd;
1560 struct ov7670_info *info; 1518 struct ov7670_info *info;
1519 int ret;
1561 1520
1562 info = kzalloc(sizeof(struct ov7670_info), GFP_KERNEL); 1521 info = kzalloc(sizeof(struct ov7670_info), GFP_KERNEL);
1563 if (info == NULL) 1522 if (info == NULL)
@@ -1565,6 +1524,37 @@ static int ov7670_probe(struct i2c_client *client,
1565 sd = &info->sd; 1524 sd = &info->sd;
1566 v4l2_i2c_subdev_init(sd, client, &ov7670_ops); 1525 v4l2_i2c_subdev_init(sd, client, &ov7670_ops);
1567 1526
1527 info->clock_speed = 30; /* default: a guess */
1528 if (client->dev.platform_data) {
1529 struct ov7670_config *config = client->dev.platform_data;
1530
1531 /*
1532 * Must apply configuration before initializing device, because it
1533 * selects I/O method.
1534 */
1535 info->min_width = config->min_width;
1536 info->min_height = config->min_height;
1537 info->use_smbus = config->use_smbus;
1538
1539 if (config->clock_speed)
1540 info->clock_speed = config->clock_speed;
1541 }
1542
1543 /* Make sure it's an ov7670 */
1544 ret = ov7670_detect(sd);
1545 if (ret) {
1546 v4l_dbg(1, debug, client,
1547 "chip found @ 0x%x (%s) is not an ov7670 chip.\n",
1548 client->addr << 1, client->adapter->name);
1549 kfree(info);
1550 return ret;
1551 }
1552 v4l_info(client, "chip found @ 0x%02x (%s)\n",
1553 client->addr << 1, client->adapter->name);
1554
1555 info->fmt = &ov7670_formats[0];
1556 info->sat = 128; /* Review this */
1557 info->clkrc = info->clock_speed / 30;
1568 return 0; 1558 return 0;
1569} 1559}
1570 1560