From: Hans Verkuil Date: Sun, 6 May 2012 12:28:29 +0000 (-0300) Subject: [media] gcpca_sn9c20x: Convert to the control framework X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=63069da1c8ef0abcdb74b0ea1c461d23fb9181d9;p=openwrt%2Fstaging%2Fblogic.git [media] gcpca_sn9c20x: Convert to the control framework HdG: Small fix: don't register some controls for sensors which don't have an implementation for them. Signed-off-by: Hans Verkuil Signed-off-by: Hans de Goede Signed-off-by: Mauro Carvalho Chehab --- diff --git a/drivers/media/video/gspca/sn9c20x.c b/drivers/media/video/gspca/sn9c20x.c index 5285a519c1f3..f35f1a0d1caf 100644 --- a/drivers/media/video/gspca/sn9c20x.c +++ b/drivers/media/video/gspca/sn9c20x.c @@ -66,28 +66,32 @@ MODULE_LICENSE("GPL"); #define LED_REVERSE 0x2 /* some cameras unset gpio to turn on leds */ #define FLIP_DETECT 0x4 -enum e_ctrl { - BRIGHTNESS, - CONTRAST, - SATURATION, - HUE, - GAMMA, - BLUE, - RED, - VFLIP, - HFLIP, - EXPOSURE, - GAIN, - AUTOGAIN, - QUALITY, - NCTRLS /* number of controls */ -}; - /* specific webcam descriptor */ struct sd { struct gspca_dev gspca_dev; - struct gspca_ctrl ctrls[NCTRLS]; + struct v4l2_ctrl_handler ctrl_handler; + struct { /* color control cluster */ + struct v4l2_ctrl *brightness; + struct v4l2_ctrl *contrast; + struct v4l2_ctrl *saturation; + struct v4l2_ctrl *hue; + }; + struct { /* blue/red balance control cluster */ + struct v4l2_ctrl *blue; + struct v4l2_ctrl *red; + }; + struct { /* h/vflip control cluster */ + struct v4l2_ctrl *hflip; + struct v4l2_ctrl *vflip; + }; + struct v4l2_ctrl *gamma; + struct { /* autogain and exposure or gain control cluster */ + struct v4l2_ctrl *autogain; + struct v4l2_ctrl *exposure; + struct v4l2_ctrl *gain; + }; + struct v4l2_ctrl *jpegqual; struct work_struct work; struct workqueue_struct *work_thread; @@ -167,175 +171,6 @@ static const struct dmi_system_id flip_dmi_table[] = { {} }; -static void set_cmatrix(struct gspca_dev *gspca_dev); -static void set_gamma(struct gspca_dev *gspca_dev); -static void set_redblue(struct gspca_dev *gspca_dev); -static void set_hvflip(struct gspca_dev *gspca_dev); -static void set_exposure(struct gspca_dev *gspca_dev); -static void set_gain(struct gspca_dev *gspca_dev); -static void set_quality(struct gspca_dev *gspca_dev); - -static const struct ctrl sd_ctrls[NCTRLS] = { -[BRIGHTNESS] = { - { - .id = V4L2_CID_BRIGHTNESS, - .type = V4L2_CTRL_TYPE_INTEGER, - .name = "Brightness", - .minimum = 0, - .maximum = 0xff, - .step = 1, - .default_value = 0x7f - }, - .set_control = set_cmatrix - }, -[CONTRAST] = { - { - .id = V4L2_CID_CONTRAST, - .type = V4L2_CTRL_TYPE_INTEGER, - .name = "Contrast", - .minimum = 0, - .maximum = 0xff, - .step = 1, - .default_value = 0x7f - }, - .set_control = set_cmatrix - }, -[SATURATION] = { - { - .id = V4L2_CID_SATURATION, - .type = V4L2_CTRL_TYPE_INTEGER, - .name = "Saturation", - .minimum = 0, - .maximum = 0xff, - .step = 1, - .default_value = 0x7f - }, - .set_control = set_cmatrix - }, -[HUE] = { - { - .id = V4L2_CID_HUE, - .type = V4L2_CTRL_TYPE_INTEGER, - .name = "Hue", - .minimum = -180, - .maximum = 180, - .step = 1, - .default_value = 0 - }, - .set_control = set_cmatrix - }, -[GAMMA] = { - { - .id = V4L2_CID_GAMMA, - .type = V4L2_CTRL_TYPE_INTEGER, - .name = "Gamma", - .minimum = 0, - .maximum = 0xff, - .step = 1, - .default_value = 0x10 - }, - .set_control = set_gamma - }, -[BLUE] = { - { - .id = V4L2_CID_BLUE_BALANCE, - .type = V4L2_CTRL_TYPE_INTEGER, - .name = "Blue Balance", - .minimum = 0, - .maximum = 0x7f, - .step = 1, - .default_value = 0x28 - }, - .set_control = set_redblue - }, -[RED] = { - { - .id = V4L2_CID_RED_BALANCE, - .type = V4L2_CTRL_TYPE_INTEGER, - .name = "Red Balance", - .minimum = 0, - .maximum = 0x7f, - .step = 1, - .default_value = 0x28 - }, - .set_control = set_redblue - }, -[HFLIP] = { - { - .id = V4L2_CID_HFLIP, - .type = V4L2_CTRL_TYPE_BOOLEAN, - .name = "Horizontal Flip", - .minimum = 0, - .maximum = 1, - .step = 1, - .default_value = 0, - }, - .set_control = set_hvflip - }, -[VFLIP] = { - { - .id = V4L2_CID_VFLIP, - .type = V4L2_CTRL_TYPE_BOOLEAN, - .name = "Vertical Flip", - .minimum = 0, - .maximum = 1, - .step = 1, - .default_value = 0, - }, - .set_control = set_hvflip - }, -[EXPOSURE] = { - { - .id = V4L2_CID_EXPOSURE, - .type = V4L2_CTRL_TYPE_INTEGER, - .name = "Exposure", - .minimum = 0, - .maximum = 0x1780, - .step = 1, - .default_value = 0x33, - }, - .set_control = set_exposure - }, -[GAIN] = { - { - .id = V4L2_CID_GAIN, - .type = V4L2_CTRL_TYPE_INTEGER, - .name = "Gain", - .minimum = 0, - .maximum = 28, - .step = 1, - .default_value = 0, - }, - .set_control = set_gain - }, -[AUTOGAIN] = { - { - .id = V4L2_CID_AUTOGAIN, - .type = V4L2_CTRL_TYPE_BOOLEAN, - .name = "Auto Exposure", - .minimum = 0, - .maximum = 1, - .step = 1, - .default_value = 1, - }, - }, -[QUALITY] = { - { - .id = V4L2_CID_JPEG_COMPRESSION_QUALITY, - .type = V4L2_CTRL_TYPE_INTEGER, - .name = "Compression Quality", -#define QUALITY_MIN 50 -#define QUALITY_MAX 90 -#define QUALITY_DEF 80 - .minimum = QUALITY_MIN, - .maximum = QUALITY_MAX, - .step = 1, - .default_value = QUALITY_DEF, - }, - .set_control = set_quality - }, -}; - static const struct v4l2_pix_format vga_mode[] = { {160, 120, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE, .bytesperline = 160, @@ -1296,8 +1131,6 @@ static void ov9655_init_sensor(struct gspca_dev *gspca_dev) if (gspca_dev->usb_err < 0) pr_err("OV9655 sensor initialization failed\n"); - /* disable hflip and vflip */ - gspca_dev->ctrl_dis = (1 << HFLIP) | (1 << VFLIP); sd->hstart = 1; sd->vstart = 2; } @@ -1312,9 +1145,6 @@ static void soi968_init_sensor(struct gspca_dev *gspca_dev) if (gspca_dev->usb_err < 0) pr_err("SOI968 sensor initialization failed\n"); - /* disable hflip and vflip */ - gspca_dev->ctrl_dis = (1 << HFLIP) | (1 << VFLIP) - | (1 << EXPOSURE); sd->hstart = 60; sd->vstart = 11; } @@ -1342,8 +1172,6 @@ static void ov7670_init_sensor(struct gspca_dev *gspca_dev) if (gspca_dev->usb_err < 0) pr_err("OV7670 sensor initialization failed\n"); - /* disable hflip and vflip */ - gspca_dev->ctrl_dis = (1 << HFLIP) | (1 << VFLIP); sd->hstart = 0; sd->vstart = 1; } @@ -1380,9 +1208,6 @@ static void mt9v_init_sensor(struct gspca_dev *gspca_dev) pr_err("MT9V111 sensor initialization failed\n"); return; } - gspca_dev->ctrl_dis = (1 << EXPOSURE) - | (1 << AUTOGAIN) - | (1 << GAIN); sd->hstart = 2; sd->vstart = 2; sd->sensor = SENSOR_MT9V111; @@ -1424,8 +1249,6 @@ static void mt9m112_init_sensor(struct gspca_dev *gspca_dev) if (gspca_dev->usb_err < 0) pr_err("MT9M112 sensor initialization failed\n"); - gspca_dev->ctrl_dis = (1 << EXPOSURE) | (1 << AUTOGAIN) - | (1 << GAIN); sd->hstart = 0; sd->vstart = 2; } @@ -1438,8 +1261,6 @@ static void mt9m111_init_sensor(struct gspca_dev *gspca_dev) if (gspca_dev->usb_err < 0) pr_err("MT9M111 sensor initialization failed\n"); - gspca_dev->ctrl_dis = (1 << EXPOSURE) | (1 << AUTOGAIN) - | (1 << GAIN); sd->hstart = 0; sd->vstart = 2; } @@ -1472,8 +1293,6 @@ static void mt9m001_init_sensor(struct gspca_dev *gspca_dev) if (gspca_dev->usb_err < 0) pr_err("MT9M001 sensor initialization failed\n"); - /* disable hflip and vflip */ - gspca_dev->ctrl_dis = (1 << HFLIP) | (1 << VFLIP); sd->hstart = 1; sd->vstart = 1; } @@ -1490,20 +1309,18 @@ static void hv7131r_init_sensor(struct gspca_dev *gspca_dev) sd->vstart = 1; } -static void set_cmatrix(struct gspca_dev *gspca_dev) +static void set_cmatrix(struct gspca_dev *gspca_dev, + s32 brightness, s32 contrast, s32 satur, s32 hue) { - struct sd *sd = (struct sd *) gspca_dev; - int satur; - s32 hue_coord, hue_index = 180 + sd->ctrls[HUE].val; + s32 hue_coord, hue_index = 180 + hue; u8 cmatrix[21]; memset(cmatrix, 0, sizeof cmatrix); - cmatrix[2] = (sd->ctrls[CONTRAST].val * 0x25 / 0x100) + 0x26; + cmatrix[2] = (contrast * 0x25 / 0x100) + 0x26; cmatrix[0] = 0x13 + (cmatrix[2] - 0x26) * 0x13 / 0x25; cmatrix[4] = 0x07 + (cmatrix[2] - 0x26) * 0x07 / 0x25; - cmatrix[18] = sd->ctrls[BRIGHTNESS].val - 0x80; + cmatrix[18] = brightness - 0x80; - satur = sd->ctrls[SATURATION].val; hue_coord = (hsv_red_x[hue_index] * satur) >> 8; cmatrix[6] = hue_coord; cmatrix[7] = (hue_coord >> 8) & 0x0f; @@ -1531,11 +1348,10 @@ static void set_cmatrix(struct gspca_dev *gspca_dev) reg_w(gspca_dev, 0x10e1, cmatrix, 21); } -static void set_gamma(struct gspca_dev *gspca_dev) +static void set_gamma(struct gspca_dev *gspca_dev, s32 val) { - struct sd *sd = (struct sd *) gspca_dev; u8 gamma[17]; - u8 gval = sd->ctrls[GAMMA].val * 0xb8 / 0x100; + u8 gval = val * 0xb8 / 0x100; gamma[0] = 0x0a; gamma[1] = 0x13 + (gval * (0xcb - 0x13) / 0xb8); @@ -1558,26 +1374,21 @@ static void set_gamma(struct gspca_dev *gspca_dev) reg_w(gspca_dev, 0x1190, gamma, 17); } -static void set_redblue(struct gspca_dev *gspca_dev) +static void set_redblue(struct gspca_dev *gspca_dev, s32 blue, s32 red) { - struct sd *sd = (struct sd *) gspca_dev; - - reg_w1(gspca_dev, 0x118c, sd->ctrls[RED].val); - reg_w1(gspca_dev, 0x118f, sd->ctrls[BLUE].val); + reg_w1(gspca_dev, 0x118c, red); + reg_w1(gspca_dev, 0x118f, blue); } -static void set_hvflip(struct gspca_dev *gspca_dev) +static void set_hvflip(struct gspca_dev *gspca_dev, s32 hflip, s32 vflip) { - u8 value, tslb, hflip, vflip; + u8 value, tslb; u16 value2; struct sd *sd = (struct sd *) gspca_dev; if ((sd->flags & FLIP_DETECT) && dmi_check_system(flip_dmi_table)) { - hflip = !sd->ctrls[HFLIP].val; - vflip = !sd->ctrls[VFLIP].val; - } else { - hflip = sd->ctrls[HFLIP].val; - vflip = sd->ctrls[VFLIP].val; + hflip = !hflip; + vflip = !vflip; } switch (sd->sensor) { @@ -1640,17 +1451,16 @@ static void set_hvflip(struct gspca_dev *gspca_dev) } } -static void set_exposure(struct gspca_dev *gspca_dev) +static void set_exposure(struct gspca_dev *gspca_dev, s32 expo) { struct sd *sd = (struct sd *) gspca_dev; u8 exp[8] = {sd->i2c_intf, sd->i2c_addr, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10}; - int expo, expo2; + int expo2; if (gspca_dev->streaming) exp[7] = 0x1e; - expo = sd->ctrls[EXPOSURE].val; switch (sd->sensor) { case SENSOR_OV7660: case SENSOR_OV7670: @@ -1697,17 +1507,15 @@ static void set_exposure(struct gspca_dev *gspca_dev) i2c_w(gspca_dev, exp); } -static void set_gain(struct gspca_dev *gspca_dev) +static void set_gain(struct gspca_dev *gspca_dev, s32 g) { struct sd *sd = (struct sd *) gspca_dev; u8 gain[8] = {sd->i2c_intf, sd->i2c_addr, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10}; - int g; if (gspca_dev->streaming) gain[7] = 0x15; /* or 1d ? */ - g = sd->ctrls[GAIN].val; switch (sd->sensor) { case SENSOR_OV7660: case SENSOR_OV7670: @@ -1746,11 +1554,11 @@ static void set_gain(struct gspca_dev *gspca_dev) i2c_w(gspca_dev, gain); } -static void set_quality(struct gspca_dev *gspca_dev) +static void set_quality(struct gspca_dev *gspca_dev, s32 val) { struct sd *sd = (struct sd *) gspca_dev; - jpeg_set_qual(sd->jpeg_hdr, sd->ctrls[QUALITY].val); + jpeg_set_qual(sd->jpeg_hdr, val); reg_w1(gspca_dev, 0x1061, 0x01); /* stop transfer */ reg_w1(gspca_dev, 0x10e0, sd->fmt | 0x20); /* write QTAB */ reg_w(gspca_dev, 0x1100, &sd->jpeg_hdr[JPEG_QT0_OFFSET], 64); @@ -1879,13 +1687,132 @@ static int sd_config(struct gspca_dev *gspca_dev, sd->older_step = 0; sd->exposure_step = 16; - gspca_dev->cam.ctrls = sd->ctrls; - INIT_WORK(&sd->work, qual_upd); return 0; } +static int sd_s_ctrl(struct v4l2_ctrl *ctrl) +{ + struct sd *sd = container_of(ctrl->handler, struct sd, ctrl_handler); + struct gspca_dev *gspca_dev = &sd->gspca_dev; + + gspca_dev->usb_err = 0; + + if (!gspca_dev->streaming) + return 0; + + switch (ctrl->id) { + /* color control cluster */ + case V4L2_CID_BRIGHTNESS: + set_cmatrix(&sd->gspca_dev, sd->brightness->val, + sd->contrast->val, sd->saturation->val, sd->hue->val); + break; + case V4L2_CID_GAMMA: + set_gamma(&sd->gspca_dev, ctrl->val); + break; + /* blue/red balance cluster */ + case V4L2_CID_BLUE_BALANCE: + set_redblue(&sd->gspca_dev, sd->blue->val, sd->red->val); + break; + /* h/vflip cluster */ + case V4L2_CID_HFLIP: + set_hvflip(&sd->gspca_dev, sd->hflip->val, sd->vflip->val); + break; + /* standalone exposure control */ + case V4L2_CID_EXPOSURE: + set_exposure(&sd->gspca_dev, ctrl->val); + break; + /* standalone gain control */ + case V4L2_CID_GAIN: + set_gain(&sd->gspca_dev, ctrl->val); + break; + /* autogain + exposure or gain control cluster */ + case V4L2_CID_AUTOGAIN: + if (sd->sensor == SENSOR_SOI968) + set_gain(&sd->gspca_dev, sd->gain->val); + else + set_exposure(&sd->gspca_dev, sd->exposure->val); + break; + case V4L2_CID_JPEG_COMPRESSION_QUALITY: + set_quality(&sd->gspca_dev, ctrl->val); + break; + } + return gspca_dev->usb_err; +} + +static const struct v4l2_ctrl_ops sd_ctrl_ops = { + .s_ctrl = sd_s_ctrl, +}; + +static int sd_init_controls(struct gspca_dev *gspca_dev) +{ + struct sd *sd = (struct sd *) gspca_dev; + struct v4l2_ctrl_handler *hdl = &sd->ctrl_handler; + + gspca_dev->vdev.ctrl_handler = hdl; + v4l2_ctrl_handler_init(hdl, 13); + + sd->brightness = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops, + V4L2_CID_BRIGHTNESS, 0, 255, 1, 127); + sd->contrast = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops, + V4L2_CID_CONTRAST, 0, 255, 1, 127); + sd->saturation = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops, + V4L2_CID_SATURATION, 0, 255, 1, 127); + sd->hue = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops, + V4L2_CID_HUE, -180, 180, 1, 0); + v4l2_ctrl_cluster(4, &sd->brightness); + + sd->gamma = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops, + V4L2_CID_GAMMA, 0, 255, 1, 0x10); + + sd->blue = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops, + V4L2_CID_BLUE_BALANCE, 0, 127, 1, 0x28); + sd->red = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops, + V4L2_CID_RED_BALANCE, 0, 127, 1, 0x28); + v4l2_ctrl_cluster(2, &sd->blue); + + if (sd->sensor != SENSOR_OV9655 && sd->sensor != SENSOR_SOI968 && + sd->sensor != SENSOR_OV7670 && sd->sensor != SENSOR_MT9M001 && + sd->sensor != SENSOR_MT9VPRB) { + sd->hflip = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops, + V4L2_CID_HFLIP, 0, 1, 1, 0); + sd->vflip = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops, + V4L2_CID_VFLIP, 0, 1, 1, 0); + v4l2_ctrl_cluster(2, &sd->hflip); + } + + if (sd->sensor != SENSOR_SOI968 && sd->sensor != SENSOR_MT9VPRB && + sd->sensor != SENSOR_MT9M112 && sd->sensor != SENSOR_MT9M111 && + sd->sensor != SENSOR_MT9V111) + sd->exposure = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops, + V4L2_CID_EXPOSURE, 0, 0x1780, 1, 0x33); + + if (sd->sensor != SENSOR_MT9VPRB && sd->sensor != SENSOR_MT9M112 && + sd->sensor != SENSOR_MT9M111 && sd->sensor != SENSOR_MT9V111) { + sd->gain = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops, + V4L2_CID_GAIN, 0, 28, 1, 0); + sd->autogain = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops, + V4L2_CID_AUTOGAIN, 0, 1, 1, 1); + if (sd->sensor == SENSOR_SOI968) + /* this sensor doesn't have the exposure control and + autogain is clustered with gain instead. This works + because sd->exposure == NULL. */ + v4l2_ctrl_auto_cluster(3, &sd->autogain, 0, false); + else + /* Otherwise autogain is clustered with exposure. */ + v4l2_ctrl_auto_cluster(2, &sd->autogain, 0, false); + } + + sd->jpegqual = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops, + V4L2_CID_JPEG_COMPRESSION_QUALITY, 50, 90, 1, 80); + if (hdl->error) { + pr_err("Could not initialize controls\n"); + return hdl->error; + } + return 0; +} + static int sd_init(struct gspca_dev *gspca_dev) { struct sd *sd = (struct sd *) gspca_dev; @@ -1978,7 +1905,6 @@ static int sd_init(struct gspca_dev *gspca_dev) pr_err("Unsupported sensor\n"); gspca_dev->usb_err = -ENODEV; } - return gspca_dev->usb_err; } @@ -2096,7 +2022,7 @@ static int sd_start(struct gspca_dev *gspca_dev) jpeg_define(sd->jpeg_hdr, height, width, 0x21); - jpeg_set_qual(sd->jpeg_hdr, sd->ctrls[QUALITY].val); + jpeg_set_qual(sd->jpeg_hdr, v4l2_ctrl_g_ctrl(sd->jpegqual)); if (mode & MODE_RAW) fmt = 0x2d; @@ -2133,12 +2059,17 @@ static int sd_start(struct gspca_dev *gspca_dev) reg_w1(gspca_dev, 0x1189, scale); reg_w1(gspca_dev, 0x10e0, fmt); - set_cmatrix(gspca_dev); - set_gamma(gspca_dev); - set_redblue(gspca_dev); - set_gain(gspca_dev); - set_exposure(gspca_dev); - set_hvflip(gspca_dev); + set_cmatrix(gspca_dev, v4l2_ctrl_g_ctrl(sd->brightness), + v4l2_ctrl_g_ctrl(sd->contrast), + v4l2_ctrl_g_ctrl(sd->saturation), + v4l2_ctrl_g_ctrl(sd->hue)); + set_gamma(gspca_dev, v4l2_ctrl_g_ctrl(sd->gamma)); + set_redblue(gspca_dev, v4l2_ctrl_g_ctrl(sd->blue), + v4l2_ctrl_g_ctrl(sd->red)); + set_gain(gspca_dev, v4l2_ctrl_g_ctrl(sd->gain)); + set_exposure(gspca_dev, v4l2_ctrl_g_ctrl(sd->exposure)); + set_hvflip(gspca_dev, v4l2_ctrl_g_ctrl(sd->hflip), + v4l2_ctrl_g_ctrl(sd->vflip)); reg_w1(gspca_dev, 0x1007, 0x20); reg_w1(gspca_dev, 0x1061, 0x03); @@ -2177,6 +2108,9 @@ static void sd_stop0(struct gspca_dev *gspca_dev) static void do_autoexposure(struct gspca_dev *gspca_dev, u16 avg_lum) { struct sd *sd = (struct sd *) gspca_dev; + s32 cur_exp = v4l2_ctrl_g_ctrl(sd->exposure); + s32 max = sd->exposure->maximum - sd->exposure_step; + s32 min = sd->exposure->minimum + sd->exposure_step; s16 new_exp; /* @@ -2185,16 +2119,15 @@ static void do_autoexposure(struct gspca_dev *gspca_dev, u16 avg_lum) * and exposure steps */ if (avg_lum < MIN_AVG_LUM) { - if (sd->ctrls[EXPOSURE].val > 0x1770) + if (cur_exp > max) return; - new_exp = sd->ctrls[EXPOSURE].val + sd->exposure_step; - if (new_exp > 0x1770) - new_exp = 0x1770; - if (new_exp < 0x10) - new_exp = 0x10; - sd->ctrls[EXPOSURE].val = new_exp; - set_exposure(gspca_dev); + new_exp = cur_exp + sd->exposure_step; + if (new_exp > max) + new_exp = max; + if (new_exp < min) + new_exp = min; + v4l2_ctrl_s_ctrl(sd->exposure, new_exp); sd->older_step = sd->old_step; sd->old_step = 1; @@ -2205,15 +2138,14 @@ static void do_autoexposure(struct gspca_dev *gspca_dev, u16 avg_lum) sd->exposure_step += 2; } if (avg_lum > MAX_AVG_LUM) { - if (sd->ctrls[EXPOSURE].val < 0x10) + if (cur_exp < min) return; - new_exp = sd->ctrls[EXPOSURE].val - sd->exposure_step; - if (new_exp > 0x1700) - new_exp = 0x1770; - if (new_exp < 0x10) - new_exp = 0x10; - sd->ctrls[EXPOSURE].val = new_exp; - set_exposure(gspca_dev); + new_exp = cur_exp - sd->exposure_step; + if (new_exp > max) + new_exp = max; + if (new_exp < min) + new_exp = min; + v4l2_ctrl_s_ctrl(sd->exposure, new_exp); sd->older_step = sd->old_step; sd->old_step = 0; @@ -2227,19 +2159,12 @@ static void do_autoexposure(struct gspca_dev *gspca_dev, u16 avg_lum) static void do_autogain(struct gspca_dev *gspca_dev, u16 avg_lum) { struct sd *sd = (struct sd *) gspca_dev; + s32 cur_gain = v4l2_ctrl_g_ctrl(sd->gain); - if (avg_lum < MIN_AVG_LUM) { - if (sd->ctrls[GAIN].val + 1 <= 28) { - sd->ctrls[GAIN].val++; - set_gain(gspca_dev); - } - } - if (avg_lum > MAX_AVG_LUM) { - if (sd->ctrls[GAIN].val > 0) { - sd->ctrls[GAIN].val--; - set_gain(gspca_dev); - } - } + if (avg_lum < MIN_AVG_LUM && cur_gain < sd->gain->maximum) + v4l2_ctrl_s_ctrl(sd->gain, cur_gain + 1); + if (avg_lum > MAX_AVG_LUM && cur_gain > sd->gain->minimum) + v4l2_ctrl_s_ctrl(sd->gain, cur_gain - 1); } static void sd_dqcallback(struct gspca_dev *gspca_dev) @@ -2247,7 +2172,7 @@ static void sd_dqcallback(struct gspca_dev *gspca_dev) struct sd *sd = (struct sd *) gspca_dev; int avg_lum; - if (!sd->ctrls[AUTOGAIN].val) + if (!v4l2_ctrl_g_ctrl(sd->autogain)) return; avg_lum = atomic_read(&sd->avg_lum); @@ -2263,10 +2188,11 @@ static void qual_upd(struct work_struct *work) { struct sd *sd = container_of(work, struct sd, work); struct gspca_dev *gspca_dev = &sd->gspca_dev; + s32 qual = v4l2_ctrl_g_ctrl(sd->jpegqual); mutex_lock(&gspca_dev->usb_lock); - PDEBUG(D_STREAM, "qual_upd %d%%", sd->ctrls[QUALITY].val); - set_quality(gspca_dev); + PDEBUG(D_STREAM, "qual_upd %d%%", qual); + set_quality(gspca_dev, qual); mutex_unlock(&gspca_dev->usb_lock); } @@ -2315,14 +2241,18 @@ static void transfer_check(struct gspca_dev *gspca_dev, if (new_qual != 0) { sd->nchg += new_qual; if (sd->nchg < -6 || sd->nchg >= 12) { + /* Note: we are in interrupt context, so we can't + use v4l2_ctrl_g/s_ctrl here. Access the value + directly instead. */ + s32 curqual = sd->jpegqual->cur.val; sd->nchg = 0; - new_qual += sd->ctrls[QUALITY].val; - if (new_qual < QUALITY_MIN) - new_qual = QUALITY_MIN; - else if (new_qual > QUALITY_MAX) - new_qual = QUALITY_MAX; - if (new_qual != sd->ctrls[QUALITY].val) { - sd->ctrls[QUALITY].val = new_qual; + new_qual += curqual; + if (new_qual < sd->jpegqual->minimum) + new_qual = sd->jpegqual->minimum; + else if (new_qual > sd->jpegqual->maximum) + new_qual = sd->jpegqual->maximum; + if (new_qual != curqual) { + sd->jpegqual->cur.val = new_qual; queue_work(sd->work_thread, &sd->work); } } @@ -2402,10 +2332,9 @@ static void sd_pkt_scan(struct gspca_dev *gspca_dev, /* sub-driver description */ static const struct sd_desc sd_desc = { .name = KBUILD_MODNAME, - .ctrls = sd_ctrls, - .nctrls = ARRAY_SIZE(sd_ctrls), .config = sd_config, .init = sd_init, + .init_controls = sd_init_controls, .isoc_init = sd_isoc_init, .start = sd_start, .stopN = sd_stopN,