diff options
Diffstat (limited to 'drivers/media/video/pwc/pwc-ctrl.c')
| -rw-r--r-- | drivers/media/video/pwc/pwc-ctrl.c | 374 |
1 files changed, 187 insertions, 187 deletions
diff --git a/drivers/media/video/pwc/pwc-ctrl.c b/drivers/media/video/pwc/pwc-ctrl.c index 0398b812e0ce..4ba549bfa0e0 100644 --- a/drivers/media/video/pwc/pwc-ctrl.c +++ b/drivers/media/video/pwc/pwc-ctrl.c @@ -31,17 +31,17 @@ /* Changes - 2001/08/03 Alvarado Added methods for changing white balance and - red/green gains + 2001/08/03 Alvarado Added methods for changing white balance and + red/green gains */ /* Control functions for the cam; brightness, contrast, video mode, etc. */ #ifdef __KERNEL__ -#include <asm/uaccess.h> +#include <asm/uaccess.h> #endif #include <asm/errno.h> - + #include "pwc.h" #include "pwc-ioctl.h" #include "pwc-uncompress.h" @@ -116,13 +116,13 @@ static const char *size2name[PSZ_MAX] = "SIF", "CIF", "VGA", -}; +}; /********/ -/* Entries for the Nala (645/646) camera; the Nala doesn't have compression +/* Entries for the Nala (645/646) camera; the Nala doesn't have compression preferences, so you either get compressed or non-compressed streams. - + An alternate value of 0 means this mode is not available at all. */ @@ -205,13 +205,13 @@ static inline int set_video_mode_Nala(struct pwc_device *pdev, int size, int fra { /* closest match of framerate */ 0, 0, 0, 0, 4, /* 0-4 */ 5, 5, 7, 7, 10, /* 5-9 */ - 10, 10, 12, 12, 15, /* 10-14 */ - 15, 15, 15, 20, 20, /* 15-19 */ - 20, 20, 20, 24, 24, /* 20-24 */ - 24, 24, 24, 24, 24, /* 25-29 */ - 24 /* 30 */ + 10, 10, 12, 12, 15, /* 10-14 */ + 15, 15, 15, 20, 20, /* 15-19 */ + 20, 20, 20, 24, 24, /* 20-24 */ + 24, 24, 24, 24, 24, /* 25-29 */ + 24 /* 30 */ }; - int frames2table[31] = + int frames2table[31] = { 0, 0, 0, 0, 0, /* 0-4 */ 1, 1, 1, 2, 2, /* 5-9 */ 3, 3, 4, 4, 4, /* 10-14 */ @@ -220,7 +220,7 @@ static inline int set_video_mode_Nala(struct pwc_device *pdev, int size, int fra 7, 7, 7, 7, 7, /* 25-29 */ 7 /* 30 */ }; - + if (size < 0 || size > PSZ_CIF || frames < 4 || frames > 25) return -EINVAL; frames = frames2frames[frames]; @@ -232,7 +232,7 @@ static inline int set_video_mode_Nala(struct pwc_device *pdev, int size, int fra if (pEntry->compressed) return -ENOENT; /* Not supported. */ - memcpy(buf, pEntry->mode, 3); + memcpy(buf, pEntry->mode, 3); ret = send_video_command(pdev->udev, pdev->vendpoint, buf, 3); if (ret < 0) { Debug("Failed to send video command... %d\n", ret); @@ -257,7 +257,7 @@ static inline int set_video_mode_Nala(struct pwc_device *pdev, int size, int fra break; } } - + pdev->cmd_len = 3; memcpy(pdev->cmd_buf, buf, 3); @@ -352,13 +352,13 @@ static inline int set_video_mode_Kiara(struct pwc_device *pdev, int size, int fr /* special case: VGA @ 5 fps and snapshot is raw bayer mode */ if (size == PSZ_VGA && frames == 5 && snapshot) { - /* Only available in case the raw palette is selected or - we have the decompressor available. This mode is - only available in compressed form + /* Only available in case the raw palette is selected or + we have the decompressor available. This mode is + only available in compressed form */ if (pdev->vpalette == VIDEO_PALETTE_RAW) { - Info("Choosing VGA/5 BAYER mode (%d).\n", pdev->vpalette); + Info("Choosing VGA/5 BAYER mode (%d).\n", pdev->vpalette); pChoose = &RawEntry; } else @@ -368,9 +368,9 @@ static inline int set_video_mode_Kiara(struct pwc_device *pdev, int size, int fr } else { - /* Find a supported framerate with progressively higher compression ratios + /* Find a supported framerate with progressively higher compression ratios if the preferred ratio is not available. - Skip this step when using RAW modes. + Skip this step when using RAW modes. */ while (compression <= 3) { pChoose = &Kiara_table[size][fps][compression]; @@ -383,7 +383,7 @@ static inline int set_video_mode_Kiara(struct pwc_device *pdev, int size, int fr return -ENOENT; /* Not supported. */ Debug("Using alternate setting %d.\n", pChoose->alternate); - + /* usb_control_msg won't take staticly allocated arrays as argument?? */ memcpy(buf, pChoose->mode, 12); if (snapshot) @@ -463,9 +463,9 @@ static void pwc_set_image_buffer_size(struct pwc_device *pdev) */ int pwc_set_video_mode(struct pwc_device *pdev, int width, int height, int frames, int compression, int snapshot) { - int ret, size; + int ret, size; - Trace(TRACE_FLOW, "set_video_mode(%dx%d @ %d, palette %d).\n", width, height, frames, pdev->vpalette); + Trace(TRACE_FLOW, "set_video_mode(%dx%d @ %d, palette %d).\n", width, height, frames, pdev->vpalette); size = pwc_decode_size(pdev, width, height); if (size < 0) { Debug("Could not find suitable size.\n"); @@ -473,7 +473,7 @@ int pwc_set_video_mode(struct pwc_device *pdev, int width, int height, int frame } Debug("decode_size = %d.\n", size); - ret = -EINVAL; + ret = -EINVAL; switch(pdev->type) { case 645: case 646: @@ -485,7 +485,7 @@ int pwc_set_video_mode(struct pwc_device *pdev, int width, int height, int frame case 690: ret = set_video_mode_Timon(pdev, size, frames, compression, snapshot); break; - + case 720: case 730: case 740: @@ -517,7 +517,7 @@ int pwc_get_brightness(struct pwc_device *pdev) char buf; int ret; - ret = RecvControlMsg(GET_LUM_CTL, BRIGHTNESS_FORMATTER, 1); + ret = RecvControlMsg(GET_LUM_CTL, BRIGHTNESS_FORMATTER, 1); if (ret < 0) return ret; return buf << 9; @@ -566,7 +566,7 @@ int pwc_get_gamma(struct pwc_device *pdev) { char buf; int ret; - + ret = RecvControlMsg(GET_LUM_CTL, GAMMA_FORMATTER, 1); if (ret < 0) return ret; @@ -622,14 +622,14 @@ static inline int pwc_set_agc(struct pwc_device *pdev, int mode, int value) { char buf; int ret; - + if (mode) buf = 0x0; /* auto */ else buf = 0xff; /* fixed */ ret = SendControlMsg(SET_LUM_CTL, AGC_MODE_FORMATTER, 1); - + if (!mode && ret >= 0) { if (value < 0) value = 0; @@ -647,7 +647,7 @@ static inline int pwc_get_agc(struct pwc_device *pdev, int *value) { unsigned char buf; int ret; - + ret = RecvControlMsg(GET_LUM_CTL, AGC_MODE_FORMATTER, 1); if (ret < 0) return ret; @@ -658,7 +658,7 @@ static inline int pwc_get_agc(struct pwc_device *pdev, int *value) return ret; if (buf > 0x3F) buf = 0x3F; - *value = (buf << 10); + *value = (buf << 10); } else { /* auto */ ret = RecvControlMsg(GET_STATUS_CTL, READ_AGC_FORMATTER, 1); @@ -683,7 +683,7 @@ static inline int pwc_set_shutter_speed(struct pwc_device *pdev, int mode, int v buf[0] = 0x0; /* auto */ else buf[0] = 0xff; /* fixed */ - + ret = SendControlMsg(SET_LUM_CTL, SHUTTER_MODE_FORMATTER, 1); if (!mode && ret >= 0) { @@ -713,7 +713,7 @@ static inline int pwc_set_shutter_speed(struct pwc_device *pdev, int mode, int v ret = SendControlMsg(SET_LUM_CTL, PRESET_SHUTTER_FORMATTER, 2); } return ret; -} +} /* POWER */ @@ -765,22 +765,22 @@ static inline int pwc_restore_factory(struct pwc_device *pdev) * 02: fluorescent lighting * 03: manual * 04: auto - */ + */ static inline int pwc_set_awb(struct pwc_device *pdev, int mode) { char buf; int ret; - + if (mode < 0) mode = 0; - + if (mode > 4) mode = 4; - + buf = mode & 0x07; /* just the lowest three bits */ - + ret = SendControlMsg(SET_CHROM_CTL, WB_MODE_FORMATTER, 1); - + if (ret < 0) return ret; return 0; @@ -790,17 +790,17 @@ static inline int pwc_get_awb(struct pwc_device *pdev) { unsigned char buf; int ret; - + ret = RecvControlMsg(GET_CHROM_CTL, WB_MODE_FORMATTER, 1); - if (ret < 0) + if (ret < 0) return ret; return buf; } static inline int pwc_set_red_gain(struct pwc_device *pdev, int value) { - unsigned char buf; + unsigned char buf; if (value < 0) value = 0; @@ -815,7 +815,7 @@ static inline int pwc_get_red_gain(struct pwc_device *pdev, int *value) { unsigned char buf; int ret; - + ret = RecvControlMsg(GET_CHROM_CTL, PRESET_MANUAL_RED_GAIN_FORMATTER, 1); if (ret < 0) return ret; @@ -841,7 +841,7 @@ static inline int pwc_get_blue_gain(struct pwc_device *pdev, int *value) { unsigned char buf; int ret; - + ret = RecvControlMsg(GET_CHROM_CTL, PRESET_MANUAL_BLUE_GAIN_FORMATTER, 1); if (ret < 0) return ret; @@ -851,14 +851,14 @@ static inline int pwc_get_blue_gain(struct pwc_device *pdev, int *value) /* The following two functions are different, since they only read the - internal red/blue gains, which may be different from the manual + internal red/blue gains, which may be different from the manual gains set or read above. - */ + */ static inline int pwc_read_red_gain(struct pwc_device *pdev, int *value) { unsigned char buf; int ret; - + ret = RecvControlMsg(GET_STATUS_CTL, READ_RED_GAIN_FORMATTER, 1); if (ret < 0) return ret; @@ -870,7 +870,7 @@ static inline int pwc_read_blue_gain(struct pwc_device *pdev, int *value) { unsigned char buf; int ret; - + ret = RecvControlMsg(GET_STATUS_CTL, READ_BLUE_GAIN_FORMATTER, 1); if (ret < 0) return ret; @@ -882,7 +882,7 @@ static inline int pwc_read_blue_gain(struct pwc_device *pdev, int *value) static inline int pwc_set_wb_speed(struct pwc_device *pdev, int speed) { unsigned char buf; - + /* useful range is 0x01..0x20 */ buf = speed / 0x7f0; return SendControlMsg(SET_CHROM_CTL, AWB_CONTROL_SPEED_FORMATTER, 1); @@ -892,7 +892,7 @@ static inline int pwc_get_wb_speed(struct pwc_device *pdev, int *value) { unsigned char buf; int ret; - + ret = RecvControlMsg(GET_CHROM_CTL, AWB_CONTROL_SPEED_FORMATTER, 1); if (ret < 0) return ret; @@ -904,7 +904,7 @@ static inline int pwc_get_wb_speed(struct pwc_device *pdev, int *value) static inline int pwc_set_wb_delay(struct pwc_device *pdev, int delay) { unsigned char buf; - + /* useful range is 0x01..0x3F */ buf = (delay >> 10); return SendControlMsg(SET_CHROM_CTL, AWB_CONTROL_DELAY_FORMATTER, 1); @@ -914,7 +914,7 @@ static inline int pwc_get_wb_delay(struct pwc_device *pdev, int *value) { unsigned char buf; int ret; - + ret = RecvControlMsg(GET_CHROM_CTL, AWB_CONTROL_DELAY_FORMATTER, 1); if (ret < 0) return ret; @@ -950,7 +950,7 @@ static int pwc_get_leds(struct pwc_device *pdev, int *on_value, int *off_value) { unsigned char buf[2]; int ret; - + if (pdev->type < 730) { *on_value = -1; *off_value = -1; @@ -969,7 +969,7 @@ static inline int pwc_set_contour(struct pwc_device *pdev, int contour) { unsigned char buf; int ret; - + if (contour < 0) buf = 0xff; /* auto contour on */ else @@ -977,16 +977,16 @@ static inline int pwc_set_contour(struct pwc_device *pdev, int contour) ret = SendControlMsg(SET_LUM_CTL, AUTO_CONTOUR_FORMATTER, 1); if (ret < 0) return ret; - + if (contour < 0) return 0; if (contour > 0xffff) contour = 0xffff; - + buf = (contour >> 10); /* contour preset is [0..3f] */ ret = SendControlMsg(SET_LUM_CTL, PRESET_CONTOUR_FORMATTER, 1); - if (ret < 0) - return ret; + if (ret < 0) + return ret; return 0; } @@ -994,7 +994,7 @@ static inline int pwc_get_contour(struct pwc_device *pdev, int *contour) { unsigned char buf; int ret; - + ret = RecvControlMsg(GET_LUM_CTL, AUTO_CONTOUR_FORMATTER, 1); if (ret < 0) return ret; @@ -1002,7 +1002,7 @@ static inline int pwc_get_contour(struct pwc_device *pdev, int *contour) if (buf == 0) { /* auto mode off, query current preset value */ ret = RecvControlMsg(GET_LUM_CTL, PRESET_CONTOUR_FORMATTER, 1); - if (ret < 0) + if (ret < 0) return ret; *contour = buf << 10; } @@ -1015,7 +1015,7 @@ static inline int pwc_get_contour(struct pwc_device *pdev, int *contour) static inline int pwc_set_backlight(struct pwc_device *pdev, int backlight) { unsigned char buf; - + if (backlight) buf = 0xff; else @@ -1027,7 +1027,7 @@ static inline int pwc_get_backlight(struct pwc_device *pdev, int *backlight) { int ret; unsigned char buf; - + ret = RecvControlMsg(GET_LUM_CTL, BACK_LIGHT_COMPENSATION_FORMATTER, 1); if (ret < 0) return ret; @@ -1039,7 +1039,7 @@ static inline int pwc_get_backlight(struct pwc_device *pdev, int *backlight) static inline int pwc_set_flicker(struct pwc_device *pdev, int flicker) { unsigned char buf; - + if (flicker) buf = 0xff; else @@ -1051,7 +1051,7 @@ static inline int pwc_get_flicker(struct pwc_device *pdev, int *flicker) { int ret; unsigned char buf; - + ret = RecvControlMsg(GET_LUM_CTL, FLICKERLESS_MODE_FORMATTER, 1); if (ret < 0) return ret; @@ -1076,7 +1076,7 @@ static inline int pwc_get_dynamic_noise(struct pwc_device *pdev, int *noise) { int ret; unsigned char buf; - + ret = RecvControlMsg(GET_LUM_CTL, DYNAMIC_NOISE_CONTROL_FORMATTER, 1); if (ret < 0) return ret; @@ -1087,7 +1087,7 @@ static inline int pwc_get_dynamic_noise(struct pwc_device *pdev, int *noise) static int pwc_mpt_reset(struct pwc_device *pdev, int flags) { unsigned char buf; - + buf = flags & 0x03; // only lower two bits are currently used return SendControlMsg(SET_MPT_CTL, PT_RESET_CONTROL_FORMATTER, 1); } @@ -1095,7 +1095,7 @@ static int pwc_mpt_reset(struct pwc_device *pdev, int flags) static inline int pwc_mpt_set_angle(struct pwc_device *pdev, int pan, int tilt) { unsigned char buf[4]; - + /* set new relative angle; angles are expressed in degrees * 100, but cam as .5 degree resolution, hence divide by 200. Also the angle must be multiplied by 64 before it's send to @@ -1114,7 +1114,7 @@ static inline int pwc_mpt_get_status(struct pwc_device *pdev, struct pwc_mpt_sta { int ret; unsigned char buf[5]; - + ret = RecvControlMsg(GET_MPT_CTL, PT_STATUS_FORMATTER, 5); if (ret < 0) return ret; @@ -1129,14 +1129,14 @@ int pwc_get_cmos_sensor(struct pwc_device *pdev, int *sensor) { unsigned char buf; int ret = -1, request; - + if (pdev->type < 675) request = SENSOR_TYPE_FORMATTER1; else if (pdev->type < 730) return -1; /* The Vesta series doesn't have this call */ else request = SENSOR_TYPE_FORMATTER2; - + ret = RecvControlMsg(GET_STATUS_CTL, request, 1); if (ret < 0) return ret; @@ -1163,23 +1163,23 @@ int pwc_ioctl(struct pwc_device *pdev, unsigned int cmd, void *arg) ret = -EINVAL; break; } - + case VIDIOCPWCSUSER: { if (pwc_save_user(pdev)) ret = -EINVAL; break; } - + case VIDIOCPWCFACTORY: { if (pwc_restore_factory(pdev)) ret = -EINVAL; break; } - + case VIDIOCPWCSCQUAL: - { + { int *qual = arg; if (*qual < 0 || *qual > 3) @@ -1190,14 +1190,14 @@ int pwc_ioctl(struct pwc_device *pdev, unsigned int cmd, void *arg) pdev->vcompression = *qual; break; } - + case VIDIOCPWCGCQUAL: { int *qual = arg; *qual = pdev->vcompression; break; } - + case VIDIOCPWCPROBE: { struct pwc_probe *probe = arg; @@ -1220,27 +1220,27 @@ int pwc_ioctl(struct pwc_device *pdev, unsigned int cmd, void *arg) ret = -EINVAL; break; } - + case VIDIOCPWCGAGC: { int *agc = arg; - + if (pwc_get_agc(pdev, agc)) ret = -EINVAL; break; } - + case VIDIOCPWCSSHUTTER: { int *shutter_speed = arg; ret = pwc_set_shutter_speed(pdev, *shutter_speed < 0 ? 1 : 0, *shutter_speed); break; } - - case VIDIOCPWCSAWB: + + case VIDIOCPWCSAWB: { struct pwc_whitebalance *wb = arg; - + ret = pwc_set_awb(pdev, wb->mode); if (ret >= 0 && wb->mode == PWC_WB_MANUAL) { pwc_set_red_gain(pdev, wb->manual_red); @@ -1270,18 +1270,18 @@ int pwc_ioctl(struct pwc_device *pdev, unsigned int cmd, void *arg) ret = pwc_read_red_gain(pdev, &wb->read_red); if (ret < 0) break; - ret = pwc_read_blue_gain(pdev, &wb->read_blue); - if (ret < 0) - break; + ret = pwc_read_blue_gain(pdev, &wb->read_blue); + if (ret < 0) + break; } } break; } - + case VIDIOCPWCSAWBSPEED: { struct pwc_wb_speed *wbs = arg; - + if (wbs->control_speed > 0) { ret = pwc_set_wb_speed(pdev, wbs->control_speed); } @@ -1290,11 +1290,11 @@ int pwc_ioctl(struct pwc_device *pdev, unsigned int cmd, void *arg) } break; } - + case VIDIOCPWCGAWBSPEED: { struct pwc_wb_speed *wbs = arg; - + ret = pwc_get_wb_speed(pdev, &wbs->control_speed); if (ret < 0) break; @@ -1304,7 +1304,7 @@ int pwc_ioctl(struct pwc_device *pdev, unsigned int cmd, void *arg) break; } - case VIDIOCPWCSLED: + case VIDIOCPWCSLED: { struct pwc_leds *leds = arg; ret = pwc_set_leds(pdev, leds->led_on, leds->led_off); @@ -1325,14 +1325,14 @@ int pwc_ioctl(struct pwc_device *pdev, unsigned int cmd, void *arg) ret = pwc_set_contour(pdev, *contour); break; } - + case VIDIOCPWCGCONTOUR: { int *contour = arg; ret = pwc_get_contour(pdev, contour); break; } - + case VIDIOCPWCSBACKLIGHT: { int *backlight = arg; @@ -1346,7 +1346,7 @@ int pwc_ioctl(struct pwc_device *pdev, unsigned int cmd, void *arg) ret = pwc_get_backlight(pdev, backlight); break; } - + case VIDIOCPWCSFLICKER: { int *flicker = arg; @@ -1360,14 +1360,14 @@ int pwc_ioctl(struct pwc_device *pdev, unsigned int cmd, void *arg) ret = pwc_get_flicker(pdev, flicker); break; } - + case VIDIOCPWCSDYNNOISE: { int *dynnoise = arg; ret = pwc_set_dynamic_noise(pdev, *dynnoise); break; } - + case VIDIOCPWCGDYNNOISE: { int *dynnoise = arg; @@ -1381,61 +1381,61 @@ int pwc_ioctl(struct pwc_device *pdev, unsigned int cmd, void *arg) size->width = pdev->image.x; size->height = pdev->image.y; break; - } - - case VIDIOCPWCMPTRESET: - { - if (pdev->features & FEATURE_MOTOR_PANTILT) - { - int *flags = arg; + } + + case VIDIOCPWCMPTRESET: + { + if (pdev->features & FEATURE_MOTOR_PANTILT) + { + int *flags = arg; ret = pwc_mpt_reset(pdev, *flags); - if (ret >= 0) - { - pdev->pan_angle = 0; - pdev->tilt_angle = 0; - } - } - else - { - ret = -ENXIO; - } - break; - } - - case VIDIOCPWCMPTGRANGE: - { - if (pdev->features & FEATURE_MOTOR_PANTILT) - { - struct pwc_mpt_range *range = arg; - *range = pdev->angle_range; - } - else - { - ret = -ENXIO; - } - break; - } - - case VIDIOCPWCMPTSANGLE: - { - int new_pan, new_tilt; - - if (pdev->features & FEATURE_MOTOR_PANTILT) - { - struct pwc_mpt_angles *angles = arg; + if (ret >= 0) + { + pdev->pan_angle = 0; + pdev->tilt_angle = 0; + } + } + else + { + ret = -ENXIO; + } + break; + } + + case VIDIOCPWCMPTGRANGE: + { + if (pdev->features & FEATURE_MOTOR_PANTILT) + { + struct pwc_mpt_range *range = arg; + *range = pdev->angle_range; + } + else + { + ret = -ENXIO; + } + break; + } + + case VIDIOCPWCMPTSANGLE: + { + int new_pan, new_tilt; + + if (pdev->features & FEATURE_MOTOR_PANTILT) + { + struct pwc_mpt_angles *angles = arg; /* The camera can only set relative angles, so do some calculations when getting an absolute angle . */ if (angles->absolute) { - new_pan = angles->pan; - new_tilt = angles->tilt; - } - else - { - new_pan = pdev->pan_angle + angles->pan; - new_tilt = pdev->tilt_angle + angles->tilt; + new_pan = angles->pan; + new_tilt = angles->tilt; + } + else + { + new_pan = pdev->pan_angle + angles->pan; + new_tilt = pdev->tilt_angle + angles->tilt; } /* check absolute ranges */ if (new_pan < pdev->angle_range.pan_min || @@ -1463,53 +1463,53 @@ int pwc_ioctl(struct pwc_device *pdev, unsigned int cmd, void *arg) pdev->tilt_angle += new_tilt; } if (ret == -EPIPE) /* stall -> out of range */ - ret = -ERANGE; + ret = -ERANGE; } - } - else - { - ret = -ENXIO; - } - break; - } - - case VIDIOCPWCMPTGANGLE: - { - - if (pdev->features & FEATURE_MOTOR_PANTILT) - { - struct pwc_mpt_angles *angles = arg; - - angles->absolute = 1; - angles->pan = pdev->pan_angle; - angles->tilt = pdev->tilt_angle; - } - else - { - ret = -ENXIO; - } - break; - } - - case VIDIOCPWCMPTSTATUS: - { - if (pdev->features & FEATURE_MOTOR_PANTILT) - { - struct pwc_mpt_status *status = arg; - ret = pwc_mpt_get_status(pdev, status); - } - else - { - ret = -ENXIO; - } - break; + } + else + { + ret = -ENXIO; + } + break; + } + + case VIDIOCPWCMPTGANGLE: + { + + if (pdev->features & FEATURE_MOTOR_PANTILT) + { + struct pwc_mpt_angles *angles = arg; + + angles->absolute = 1; + angles->pan = pdev->pan_angle; + angles->tilt = pdev->tilt_angle; + } + else + { + ret = -ENXIO; + } + break; + } + + case VIDIOCPWCMPTSTATUS: + { + if (pdev->features & FEATURE_MOTOR_PANTILT) + { + struct pwc_mpt_status *status = arg; + ret = pwc_mpt_get_status(pdev, status); + } + else + { + ret = -ENXIO; + } + break; } case VIDIOCPWCGVIDCMD: { struct pwc_video_command *cmd = arg; - - cmd->type = pdev->type; + + cmd->type = pdev->type; cmd->release = pdev->release; cmd->command_len = pdev->cmd_len; memcpy(&cmd->command_buf, pdev->cmd_buf, pdev->cmd_len); @@ -1531,7 +1531,7 @@ int pwc_ioctl(struct pwc_device *pdev, unsigned int cmd, void *arg) ret = -ENOIOCTLCMD; break; } - + if (ret > 0) return 0; return ret; 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