V4L/DVB: gspca - sn9c20x: Add support for camera LEDs
Signed-off-by: Brian Johnson <brijohn@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
diff --git a/drivers/media/video/gspca/sn9c20x.c b/drivers/media/video/gspca/sn9c20x.c
index 1653567..825d5b8 100644
--- a/drivers/media/video/gspca/sn9c20x.c
+++ b/drivers/media/video/gspca/sn9c20x.c
@@ -54,6 +54,7 @@
/* camera flags */
#define HAS_BUTTON 0x1
+#define LED_REVERSE 0x2 /* some cameras unset gpio to turn on leds */
/* specific webcam descriptor */
struct sd {
@@ -731,7 +732,8 @@
{0x11be, 0xf0}, {0x11bf, 0x00}, {0x118c, 0x1f},
{0x118d, 0x1f}, {0x118e, 0x1f}, {0x118f, 0x1f},
{0x1180, 0x01}, {0x1181, 0x00}, {0x1182, 0x01},
- {0x1183, 0x00}, {0x1184, 0x50}, {0x1185, 0x80}
+ {0x1183, 0x00}, {0x1184, 0x50}, {0x1185, 0x80},
+ {0x1007, 0x00}
};
/* Gain = (bit[3:0] / 16 + 1) * (bit[4] + 1) * (bit[5] + 1) * (bit[6] + 1) */
@@ -1974,6 +1976,11 @@
}
}
+ if (sd->flags & LED_REVERSE)
+ reg_w1(gspca_dev, 0x1006, 0x00);
+ else
+ reg_w1(gspca_dev, 0x1006, 0x20);
+
if (reg_w(gspca_dev, 0x10c0, i2c_init, 9) < 0) {
err("Device initialization failed");
return -ENODEV;
@@ -2154,6 +2161,8 @@
set_exposure(gspca_dev);
set_hvflip(gspca_dev);
+ reg_w1(gspca_dev, 0x1007, 0x20);
+
reg_r(gspca_dev, 0x1061, 1);
reg_w1(gspca_dev, 0x1061, gspca_dev->usb_buf[0] | 0x02);
return 0;
@@ -2161,6 +2170,8 @@
static void sd_stopN(struct gspca_dev *gspca_dev)
{
+ reg_w1(gspca_dev, 0x1007, 0x00);
+
reg_r(gspca_dev, 0x1061, 1);
reg_w1(gspca_dev, 0x1061, gspca_dev->usb_buf[0] & ~0x02);
}
@@ -2350,7 +2361,7 @@
};
#define SN9C20X(sensor, i2c_addr, flags) \
- .driver_info = (flags << 16) \
+ .driver_info = ((flags & 0xff) << 16) \
| (SENSOR_ ## sensor << 8) \
| (i2c_addr)
@@ -2358,7 +2369,8 @@
{USB_DEVICE(0x0c45, 0x6240), SN9C20X(MT9M001, 0x5d, 0)},
{USB_DEVICE(0x0c45, 0x6242), SN9C20X(MT9M111, 0x5d, 0)},
{USB_DEVICE(0x0c45, 0x6248), SN9C20X(OV9655, 0x30, 0)},
- {USB_DEVICE(0x0c45, 0x624e), SN9C20X(SOI968, 0x30, HAS_BUTTON)},
+ {USB_DEVICE(0x0c45, 0x624e), SN9C20X(SOI968, 0x30,
+ (HAS_BUTTON | LED_REVERSE))},
{USB_DEVICE(0x0c45, 0x624f), SN9C20X(OV9650, 0x30, 0)},
{USB_DEVICE(0x0c45, 0x6251), SN9C20X(OV9650, 0x30, 0)},
{USB_DEVICE(0x0c45, 0x6253), SN9C20X(OV9650, 0x30, 0)},