V4L/DVB: gspca_tv8532: rename brightness control to exposure

What we've called brightness so far actually is an exposure control,
rename it and fixup the maximum and default values.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

diff --git a/drivers/media/video/gspca/tv8532.c b/drivers/media/video/gspca/tv8532.c
index 420dde9ef6fa1885f4d165b9f26bde28d1447f38..d9c5bf3449d43ed556b859959e293d37804edf80 100644 (file)
--- a/drivers/media/video/gspca/tv8532.c
+++ b/drivers/media/video/gspca/tv8532.c
@@ -30,32 +30,32 @@ MODULE_LICENSE("GPL");
 struct sd {
        struct gspca_dev gspca_dev;     /* !! must be the first item */
 
-       __u16 brightness;
+       __u16 exposure;
        __u16 gain;
 
        __u8 packet;
 };
 
 /* V4L2 controls supported by the driver */
-static int sd_setbrightness(struct gspca_dev *gspca_dev, __s32 val);
-static int sd_getbrightness(struct gspca_dev *gspca_dev, __s32 *val);
+static int sd_setexposure(struct gspca_dev *gspca_dev, __s32 val);
+static int sd_getexposure(struct gspca_dev *gspca_dev, __s32 *val);
 static int sd_setgain(struct gspca_dev *gspca_dev, __s32 val);
 static int sd_getgain(struct gspca_dev *gspca_dev, __s32 *val);
 
 static const struct ctrl sd_ctrls[] = {
        {
         {
-         .id = V4L2_CID_BRIGHTNESS,
+         .id = V4L2_CID_EXPOSURE,
          .type = V4L2_CTRL_TYPE_INTEGER,
-         .name = "Brightness",
+         .name = "Exposure",
          .minimum = 1,
-         .maximum = 0x15f,     /* = 352 - 1 */
+         .maximum = 0x18f,
          .step = 1,
-#define BRIGHTNESS_DEF 0x14c
-         .default_value = BRIGHTNESS_DEF,
+#define EXPOSURE_DEF 0x18f
+         .default_value = EXPOSURE_DEF,
          },
-        .set = sd_setbrightness,
-        .get = sd_getbrightness,
+        .set = sd_setexposure,
+        .get = sd_getexposure,
         },
        {
         {
@@ -209,7 +209,7 @@ static int sd_config(struct gspca_dev *gspca_dev,
        cam->cam_mode = sif_mode;
        cam->nmodes = ARRAY_SIZE(sif_mode);
 
-       sd->brightness = BRIGHTNESS_DEF;
+       sd->exposure = EXPOSURE_DEF;
        sd->gain = GAIN_DEF;
        return 0;
 }
@@ -241,11 +241,11 @@ static int sd_init(struct gspca_dev *gspca_dev)
        return 0;
 }
 
-static void setbrightness(struct gspca_dev *gspca_dev)
+static void setexposure(struct gspca_dev *gspca_dev)
 {
        struct sd *sd = (struct sd *) gspca_dev;
 
-       reg_w2(gspca_dev, R1C_AD_EXPOSE_TIMEL, sd->brightness);
+       reg_w2(gspca_dev, R1C_AD_EXPOSE_TIMEL, sd->exposure);
        reg_w1(gspca_dev, R00_PART_CONTROL, LATENT_CHANGE | EXPO_CHANGE);
                                                /* 0x84 */
 }
@@ -289,7 +289,7 @@ static int sd_start(struct gspca_dev *gspca_dev)
 
        tv_8532_setReg(gspca_dev);
 
-       setbrightness(gspca_dev);
+       setexposure(gspca_dev);
        setgain(gspca_dev);
 
        /************************************************/
@@ -339,21 +339,21 @@ static void sd_pkt_scan(struct gspca_dev *gspca_dev,
                        data + gspca_dev->width + 5, gspca_dev->width);
 }
 
-static int sd_setbrightness(struct gspca_dev *gspca_dev, __s32 val)
+static int sd_setexposure(struct gspca_dev *gspca_dev, __s32 val)
 {
        struct sd *sd = (struct sd *) gspca_dev;
 
-       sd->brightness = val;
+       sd->exposure = val;
        if (gspca_dev->streaming)
-               setbrightness(gspca_dev);
+               setexposure(gspca_dev);
        return 0;
 }
 
-static int sd_getbrightness(struct gspca_dev *gspca_dev, __s32 *val)
+static int sd_getexposure(struct gspca_dev *gspca_dev, __s32 *val)
 {
        struct sd *sd = (struct sd *) gspca_dev;
 
-       *val = sd->brightness;
+       *val = sd->exposure;
        return 0;
 }