@@ -68,6 +68,7 @@
#define MODULE_NAME "pac7302"
+#include <media/v4l2-chip-ident.h>
#include "gspca.h"
MODULE_AUTHOR("Thomas Kaiser thomas@kaiser-linux.li");
@@ -1164,6 +1165,55 @@
return 0;
}
+#ifdef CONFIG_VIDEO_ADV_DEBUG
+static int sd_dbg_s_register(struct gspca_dev *gspca_dev,
+ struct v4l2_dbg_register *reg)
+{
+ int ret = -EINVAL;
+ __u8 index;
+ __u8 value;
+
+ /* reg->reg: bit0..15: reserved for register index (wIndex is 16bit
+ long on the USB bus)
+ */
+ if (reg->match.type == V4L2_CHIP_MATCH_HOST &&
+ reg->match.addr == 0 &&
+ (reg->reg < 0x000000ff) &&
+ (reg->val <= 0x000000ff)
+ ) {
+ /* Currently writing to page 0 is only supported. */
+ /* reg_w() only supports 8bit index */
+ index = reg->reg & 0x000000ff;
+ value = reg->val & 0x000000ff;
+
+ /* Note that there shall be no access to other page
+ by any other function between the page swith and
+ the actual register write */
+ ret = reg_w(gspca_dev, 0xff, 0x00); /* page 0 */
+ if (0 <= ret)
+ ret = reg_w(gspca_dev, index, value);
+
+ if (0 <= ret)
+ ret = reg_w(gspca_dev, 0xdc, 0x01);
+ }
+ return ret;
+}
+
+static int sd_chip_ident(struct gspca_dev *gspca_dev,
+ struct v4l2_dbg_chip_ident *chip)
+{
+ int ret = -EINVAL;
+
+ if (chip->match.type == V4L2_CHIP_MATCH_HOST &&
+ chip->match.addr == 0) {
+ chip->revision = 0;
+ chip->ident = V4L2_IDENT_UNKNOWN;
+ ret = 0;
+ }
+ return ret;
+}
+#endif
+
/* sub-driver description for pac7302 */
static struct sd_desc sd_desc = {
.name = MODULE_NAME,
@@ -1176,6 +1226,10 @@
.stop0 = sd_stop0,
.pkt_scan = sd_pkt_scan,
.dq_callback = do_autogain,
+#ifdef CONFIG_VIDEO_ADV_DEBUG
+ .set_register = sd_dbg_s_register,
+ .get_chip_ident = sd_chip_ident,
+#endif
};
/* -- module initialisation -- */