I'm sorry, I used a bad format for the 3 previous patches I sent this day.
This is fixed now.


gspca_gl860: improvement of the main driver part

From: Olivier Lorin <o.lo...@laposte.net>

- fix for compilation warning about sd_ctrls
- trace improvement while probing the sensor

Priority: normal

Signed-off-by: Olivier Lorin <o.lo...@laposte.net>

diff -rupN ../gspca-o/linux/drivers/media/video/gspca/gl860/gl860.c 
./linux/drivers/media/video/gspca/gl860/gl860.c
--- ../gspca-o/linux/drivers/media/video/gspca/gl860/gl860.c    2009-09-18 
10:36:24.000000000 +0200
+++ ./linux/drivers/media/video/gspca/gl860/gl860.c     2009-09-24 
13:55:34.000000000 +0200
@@ -23,8 +23,8 @@
 #include "gspca.h"
 #include "gl860.h"
 
-MODULE_AUTHOR("Olivier Lorin <lo...@laposte.net>");
-MODULE_DESCRIPTION("GSPCA/Genesys Logic GL860 USB Camera Driver");
+MODULE_AUTHOR("Olivier Lorin <o.lo...@laposte.net>");
+MODULE_DESCRIPTION("Genesys Logic USB PC Camera Driver");
 MODULE_LICENSE("GPL");
 
 /*======================== static function declarations ====================*/
@@ -53,7 +53,7 @@ MODULE_PARM_DESC(AC50Hz, " Does AC power
 static char sensor[7];
 module_param_string(sensor, sensor, sizeof(sensor), 0644);
 MODULE_PARM_DESC(sensor,
-               " Driver sensor ('MI1320'/'MI2020'/'OV9655'/'OV2640'/'')");
+               " Driver sensor ('MI1320'/'MI2020'/'OV9655'/'OV2640')");
 
 /*============================ webcam controls =============================*/
 
@@ -119,16 +119,23 @@ static int gl860_build_control_table(str
        struct ctrl *sd_ctrls;
        int nCtrls = 0;
 
-       if (_MI1320_)
+       switch (sd->sensor) {
+       case ID_MI1320:
                sd_ctrls = sd_ctrls_mi1320;
-       else if (_MI2020_)
+               break;
+       case ID_MI2020:
                sd_ctrls = sd_ctrls_mi2020;
-       else if (_MI2020b_)
+               break;
+       case ID_MI2020b:
                sd_ctrls = sd_ctrls_mi2020b;
-       else if (_OV2640_)
+               break;
+       case ID_OV2640:
                sd_ctrls = sd_ctrls_ov2640;
-       else if (_OV9655_)
+               break;
+       default:
                sd_ctrls = sd_ctrls_ov9655;
+               break;
+       }
 
        memset(sd_ctrls, 0, GL860_NCTRLS * sizeof(struct ctrl));
 
@@ -154,7 +161,7 @@ static int gl860_build_control_table(str
        SET_MY_CTRL(V4L2_CID_VFLIP,
                V4L2_CTRL_TYPE_BOOLEAN, "Flip", flip)
        SET_MY_CTRL(V4L2_CID_POWER_LINE_FREQUENCY,
-               V4L2_CTRL_TYPE_BOOLEAN, "50Hz", AC50Hz)
+               V4L2_CTRL_TYPE_BOOLEAN, "AC power 50Hz", AC50Hz)
 
        return nCtrls;
 }
@@ -700,6 +707,7 @@ static int gl860_guess_sensor(struct gsp
                ctrl_out(gspca_dev, 0x40, 1, 0x006a, 0x000d, 0, NULL);
                msleep(56);
 
+               PDEBUG(D_PROBE, "probing for sensor MI2020 or OVXXXX");
                nOV = 0;
                for (ntry = 0; ntry < 4; ntry++) {
                        ctrl_out(gspca_dev, 0x40, 1, 0x0040, 0x0000, 0, NULL);
@@ -709,14 +717,14 @@ static int gl860_guess_sensor(struct gsp
                        ctrl_out(gspca_dev, 0x40, 1, 0x7a00, 0x8030, 0, NULL);
                        msleep(10);
                        ctrl_in(gspca_dev, 0xc0, 2, 0x7a00, 0x8030, 1, &probe);
-                       PDEBUG(D_PROBE, "1st probe=%02x", probe);
+                       PDEBUG(D_PROBE, "probe=0x%02x", probe);
                        if (probe == 0xff)
                                nOV++;
                }
 
                if (nOV) {
-                       PDEBUG(D_PROBE, "0xff -> sensor OVXXXX");
-                       PDEBUG(D_PROBE, "Probing for sensor OV2640 or OV9655");
+                       PDEBUG(D_PROBE, "0xff -> OVXXXX");
+                       PDEBUG(D_PROBE, "probing for sensor OV2640 or OV9655");
 
                        nb26 = nb96 = 0;
                        for (ntry = 0; ntry < 4; ntry++) {
@@ -726,40 +734,38 @@ static int gl860_guess_sensor(struct gsp
                                ctrl_out(gspca_dev, 0x40, 1, 0x6000, 0x800a,
                                                0, NULL);
                                msleep(10);
+
                                /* Wait for 26(OV2640) or 96(OV9655) */
                                ctrl_in(gspca_dev, 0xc0, 2, 0x6000, 0x800a,
                                                1, &probe);
 
-                               PDEBUG(D_PROBE, "2nd probe=%02x", probe);
-                               if (probe == 0x00)
-                                       nb26++;
                                if (probe == 0x26 || probe == 0x40) {
+                                       PDEBUG(D_PROBE,
+                                               "probe=0x%02x -> OV2640",
+                                               probe);
                                        sd->sensor = ID_OV2640;
                                        nb26 += 4;
                                        break;
                                }
                                if (probe == 0x96 || probe == 0x55) {
+                                       PDEBUG(D_PROBE,
+                                               "probe=0x%02x -> OV9655",
+                                               probe);
                                        sd->sensor = ID_OV9655;
                                        nb96 += 4;
                                        break;
                                }
+                               PDEBUG(D_PROBE, "probe=0x%02x", probe);
+                               if (probe == 0x00)
+                                       nb26++;
                                if (probe == 0xff)
                                        nb96++;
                                msleep(3);
                        }
-                       if (nb26 < 4 && nb96 < 4) {
-                               PDEBUG(D_PROBE, "No relevant answer ");
-                               PDEBUG(D_PROBE, "* 1.3Mpixels -> use OV9655");
-                               PDEBUG(D_PROBE, "* 2.0Mpixels -> use OV2640");
-                               PDEBUG(D_PROBE,
-                                       "To force a sensor, add that line to "
-                                       "/etc/modprobe.d/options.conf:");
-                               PDEBUG(D_PROBE, "options gspca_gl860 "
-                                       "sensor=\"OV2640\" or \"OV9655\"");
+                       if (nb26 < 4 && nb96 < 4)
                                return -1;
-                       }
-               } else { /* probe = 0 */
-                       PDEBUG(D_PROBE, "No 0xff -> sensor MI2020");
+               } else {
+                       PDEBUG(D_PROBE, "Not any 0xff -> MI2020");
                        sd->sensor = ID_MI2020;
                }
        }
diff -rupN ../gspca-o/linux/drivers/media/video/gspca/gl860/gl860.h 
./linux/drivers/media/video/gspca/gl860/gl860.h
--- ../gspca-o/linux/drivers/media/video/gspca/gl860/gl860.h    2009-09-18 
10:36:24.000000000 +0200
+++ ./linux/drivers/media/video/gspca/gl860/gl860.h     2009-09-24 
14:01:41.000000000 +0200
@@ -22,7 +22,7 @@
 #include "gspca.h"
 
 #define MODULE_NAME "gspca_gl860"
-#define DRIVER_VERSION "0.9d10"
+#define DRIVER_VERSION "0.9d11"
 
 #define ctrl_in  gl860_RTx
 #define ctrl_out gl860_RTx


--
To unsubscribe from this list: send the line "unsubscribe linux-media" in
the body of a message to majord...@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html

Reply via email to