This is causes problems on platforms that have alignment requirements for DMA transfers.
Signed-off-by: Martin Fuzzey <mfuzzey@xxxxxxxxx>
---
drivers/media/video/pwc/pwc-ctrl.c | 238 +++++++++++++++++++++++++-----------
1 files changed, 164 insertions(+), 74 deletions(-)
diff --git a/drivers/media/video/pwc/pwc-ctrl.c b/drivers/media/video/pwc/pwc-ctrl.c
index f9fbe02..50b415e 100644
--- a/drivers/media/video/pwc/pwc-ctrl.c
+++ b/drivers/media/video/pwc/pwc-ctrl.c
@@ -159,35 +159,67 @@ static void pwc_set_image_buffer_size(struct pwc_device *pdev);
/****************************************************************************/
+static int _send_control_msg(struct pwc_device *pdev,
+ u8 request, u16 value, int index, void *buf, int buflen, int timeout)
+{
+ int rc;
+ void *kbuf = NULL;
+
+ if (buflen) {
+ kbuf = kmalloc(buflen, GFP_KERNEL); /* not allowed on stack */
+ if (kbuf == NULL)
+ return -ENOMEM;
+ memcpy(kbuf, buf, buflen);
+ }
-#define SendControlMsg(request, value, buflen) \
- usb_control_msg(pdev->udev, usb_sndctrlpipe(pdev->udev, 0), \
- request, \
- USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE, \
- value, \
- pdev->vcinterface, \
- &buf, buflen, 500)
+ rc = usb_control_msg(pdev->udev, usb_sndctrlpipe(pdev->udev, 0),
+ request,
+ USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
+ value,
+ index,
+ kbuf, buflen, timeout);
-#define RecvControlMsg(request, value, buflen) \
- usb_control_msg(pdev->udev, usb_rcvctrlpipe(pdev->udev, 0), \
- request, \
- USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE, \
- value, \
- pdev->vcinterface, \
- &buf, buflen, 500)
+ kfree(kbuf);
+ return rc;
+}
+static int recv_control_msg(struct pwc_device *pdev,
+ u8 request, u16 value, void *buf, int buflen)
+{
+ int rc;
+ void *kbuf = kmalloc(buflen, GFP_KERNEL); /* not allowed on stack */
+
+ if (kbuf == NULL)
+ return -ENOMEM;
+
+ rc = usb_control_msg(pdev->udev, usb_rcvctrlpipe(pdev->udev, 0),
+ request,
+ USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
+ value,
+ pdev->vcinterface,
+ kbuf, buflen, 500);
+ memcpy(buf, kbuf, buflen);
+ kfree(kbuf);
+ return rc;
+}
-static int send_video_command(struct usb_device *udev, int index, void *buf, int buflen)
+static inline int send_video_command(struct pwc_device *pdev,
+ int index, void *buf, int buflen)
{
- return usb_control_msg(udev,
- usb_sndctrlpipe(udev, 0),
+ return _send_control_msg(pdev,
SET_EP_STREAM_CTL,
- USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
VIDEO_OUTPUT_CONTROL_FORMATTER,
index,
buf, buflen, 1000);
}
+static inline int send_control_msg(struct pwc_device *pdev,
+ u8 request, u16 value, void *buf, int buflen)
+{
+ return _send_control_msg(pdev,
+ request, value, pdev->vcinterface, buf, buflen, 500);
+}
+
static int set_video_mode_Nala(struct pwc_device *pdev, int size, int frames)
@@ -224,7 +256,7 @@ static int set_video_mode_Nala(struct pwc_device *pdev, int size, int frames)
return -EINVAL;
memcpy(buf, pEntry->mode, 3);
- ret = send_video_command(pdev->udev, pdev->vendpoint, buf, 3);
+ ret = send_video_command(pdev, pdev->vendpoint, buf, 3);
if (ret < 0) {
PWC_DEBUG_MODULE("Failed to send video command... %d\n", ret);
return ret;
@@ -285,7 +317,7 @@ static int set_video_mode_Timon(struct pwc_device *pdev, int size, int frames, i
memcpy(buf, pChoose->mode, 13);
if (snapshot)
buf[0] |= 0x80;
- ret = send_video_command(pdev->udev, pdev->vendpoint, buf, 13);
+ ret = send_video_command(pdev, pdev->vendpoint, buf, 13);
if (ret < 0)
return ret;
@@ -358,7 +390,7 @@ static int set_video_mode_Kiara(struct pwc_device *pdev, int size, int frames, i
buf[0] |= 0x80;
/* Firmware bug: video endpoint is 5, but commands are sent to endpoint 4 */
- ret = send_video_command(pdev->udev, 4 /* pdev->vendpoint */, buf, 12);
+ ret = send_video_command(pdev, 4 /* pdev->vendpoint */, buf, 12);
if (ret < 0)
return ret;
@@ -530,7 +562,8 @@ int pwc_get_brightness(struct pwc_device *pdev)
char buf;
int ret;
- ret = RecvControlMsg(GET_LUM_CTL, BRIGHTNESS_FORMATTER, 1);
+ ret = recv_control_msg(pdev,
+ GET_LUM_CTL, BRIGHTNESS_FORMATTER, &buf, sizeof(buf));
if (ret < 0)
return ret;
return buf;
@@ -545,7 +578,8 @@ int pwc_set_brightness(struct pwc_device *pdev, int value)
if (value > 0xffff)
value = 0xffff;
buf = (value >> 9) & 0x7f;
- return SendControlMsg(SET_LUM_CTL, BRIGHTNESS_FORMATTER, 1);
+ return send_control_msg(pdev,
+ SET_LUM_CTL, BRIGHTNESS_FORMATTER, &buf, sizeof(buf));
}
/* CONTRAST */
@@ -555,7 +589,8 @@ int pwc_get_contrast(struct pwc_device *pdev)
char buf;
int ret;
- ret = RecvControlMsg(GET_LUM_CTL, CONTRAST_FORMATTER, 1);
+ ret = recv_control_msg(pdev,
+ GET_LUM_CTL, CONTRAST_FORMATTER, &buf, sizeof(buf));
if (ret < 0)
return ret;
return buf;
@@ -570,7 +605,8 @@ int pwc_set_contrast(struct pwc_device *pdev, int value)
if (value > 0xffff)
value = 0xffff;
buf = (value >> 10) & 0x3f;
- return SendControlMsg(SET_LUM_CTL, CONTRAST_FORMATTER, 1);
+ return send_control_msg(pdev,
+ SET_LUM_CTL, CONTRAST_FORMATTER, &buf, sizeof(buf));
}
/* GAMMA */
@@ -580,7 +616,8 @@ int pwc_get_gamma(struct pwc_device *pdev)
char buf;
int ret;
- ret = RecvControlMsg(GET_LUM_CTL, GAMMA_FORMATTER, 1);
+ ret = recv_control_msg(pdev,
+ GET_LUM_CTL, GAMMA_FORMATTER, &buf, sizeof(buf));
if (ret < 0)
return ret;
return buf;
@@ -595,7 +632,8 @@ int pwc_set_gamma(struct pwc_device *pdev, int value)
if (value > 0xffff)
value = 0xffff;
buf = (value >> 11) & 0x1f;
- return SendControlMsg(SET_LUM_CTL, GAMMA_FORMATTER, 1);
+ return send_control_msg(pdev,
+ SET_LUM_CTL, GAMMA_FORMATTER, &buf, sizeof(buf));
}
@@ -613,7 +651,8 @@ int pwc_get_saturation(struct pwc_device *pdev, int *value)
saturation_register = SATURATION_MODE_FORMATTER2;
else
saturation_register = SATURATION_MODE_FORMATTER1;
- ret = RecvControlMsg(GET_CHROM_CTL, saturation_register, 1);
+ ret = recv_control_msg(pdev,
+ GET_CHROM_CTL, saturation_register, &buf, sizeof(buf));
if (ret < 0)
return ret;
*value = (signed)buf;
@@ -636,7 +675,8 @@ int pwc_set_saturation(struct pwc_device *pdev, int value)
saturation_register = SATURATION_MODE_FORMATTER2;
else
saturation_register = SATURATION_MODE_FORMATTER1;
- return SendControlMsg(SET_CHROM_CTL, saturation_register, 1);
+ return send_control_msg(pdev,
+ SET_CHROM_CTL, saturation_register, &buf, sizeof(buf));
}
/* AGC */
@@ -651,7 +691,8 @@ int pwc_set_agc(struct pwc_device *pdev, int mode, int value)
else
buf = 0xff; /* fixed */
- ret = SendControlMsg(SET_LUM_CTL, AGC_MODE_FORMATTER, 1);
+ ret = send_control_msg(pdev,
+ SET_LUM_CTL, AGC_MODE_FORMATTER, &buf, sizeof(buf));
if (!mode && ret >= 0) {
if (value < 0)
@@ -659,7 +700,8 @@ int pwc_set_agc(struct pwc_device *pdev, int mode, int value)
if (value > 0xffff)
value = 0xffff;
buf = (value >> 10) & 0x3F;
- ret = SendControlMsg(SET_LUM_CTL, PRESET_AGC_FORMATTER, 1);
+ ret = send_control_msg(pdev,
+ SET_LUM_CTL, PRESET_AGC_FORMATTER, &buf, sizeof(buf));
}
if (ret < 0)
return ret;
@@ -671,12 +713,14 @@ int pwc_get_agc(struct pwc_device *pdev, int *value)
unsigned char buf;
int ret;
- ret = RecvControlMsg(GET_LUM_CTL, AGC_MODE_FORMATTER, 1);
+ ret = recv_control_msg(pdev,
+ GET_LUM_CTL, AGC_MODE_FORMATTER, &buf, sizeof(buf));
if (ret < 0)
return ret;
if (buf != 0) { /* fixed */
- ret = RecvControlMsg(GET_LUM_CTL, PRESET_AGC_FORMATTER, 1);
+ ret = recv_control_msg(pdev,
+ GET_LUM_CTL, PRESET_AGC_FORMATTER, &buf, sizeof(buf));
if (ret < 0)
return ret;
if (buf > 0x3F)
@@ -684,7 +728,8 @@ int pwc_get_agc(struct pwc_device *pdev, int *value)
*value = (buf << 10);
}
else { /* auto */
- ret = RecvControlMsg(GET_STATUS_CTL, READ_AGC_FORMATTER, 1);
+ ret = recv_control_msg(pdev,
+ GET_STATUS_CTL, READ_AGC_FORMATTER, &buf, sizeof(buf));
if (ret < 0)
return ret;
/* Gah... this value ranges from 0x00 ... 0x9F */
@@ -707,7 +752,8 @@ int pwc_set_shutter_speed(struct pwc_device *pdev, int mode, int value)
else
buf[0] = 0xff; /* fixed */
- ret = SendControlMsg(SET_LUM_CTL, SHUTTER_MODE_FORMATTER, 1);
+ ret = send_control_msg(pdev,
+ SET_LUM_CTL, SHUTTER_MODE_FORMATTER, &buf, sizeof(buf));
if (!mode && ret >= 0) {
if (value < 0)
@@ -726,7 +772,9 @@ int pwc_set_shutter_speed(struct pwc_device *pdev, int mode, int value)
buf[0] = value >> 8;
}
- ret = SendControlMsg(SET_LUM_CTL, PRESET_SHUTTER_FORMATTER, 2);
+ ret = send_control_msg(pdev,
+ SET_LUM_CTL, PRESET_SHUTTER_FORMATTER,
+ &buf, sizeof(buf));
}
return ret;
}
@@ -737,7 +785,8 @@ int pwc_get_shutter_speed(struct pwc_device *pdev, int *value)
unsigned char buf[2];
int ret;
- ret = RecvControlMsg(GET_STATUS_CTL, READ_SHUTTER_FORMATTER, 2);
+ ret = recv_control_msg(pdev,
+ GET_STATUS_CTL, READ_SHUTTER_FORMATTER, &buf, sizeof(buf));
if (ret < 0)
return ret;
*value = buf[0] + (buf[1] << 8);
@@ -764,7 +813,9 @@ int pwc_camera_power(struct pwc_device *pdev, int power)
buf = 0x00; /* active */
else
buf = 0xFF; /* power save */
- return SendControlMsg(SET_STATUS_CTL, SET_POWER_SAVE_MODE_FORMATTER, 1);
+ return send_control_msg(pdev,
+ SET_STATUS_CTL, SET_POWER_SAVE_MODE_FORMATTER,
+ &buf, sizeof(buf));
}
@@ -773,20 +824,20 @@ int pwc_camera_power(struct pwc_device *pdev, int power)
int pwc_restore_user(struct pwc_device *pdev)
{
- char buf; /* dummy */
- return SendControlMsg(SET_STATUS_CTL, RESTORE_USER_DEFAULTS_FORMATTER, 0);
+ return send_control_msg(pdev,
+ SET_STATUS_CTL, RESTORE_USER_DEFAULTS_FORMATTER, NULL, 0);
}
int pwc_save_user(struct pwc_device *pdev)
{
- char buf; /* dummy */
- return SendControlMsg(SET_STATUS_CTL, SAVE_USER_DEFAULTS_FORMATTER, 0);
+ return send_control_msg(pdev,
+ SET_STATUS_CTL, SAVE_USER_DEFAULTS_FORMATTER, NULL, 0);
}
int pwc_restore_factory(struct pwc_device *pdev)
{
- char buf; /* dummy */
- return SendControlMsg(SET_STATUS_CTL, RESTORE_FACTORY_DEFAULTS_FORMATTER, 0);
+ return send_control_msg(pdev,
+ SET_STATUS_CTL, RESTORE_FACTORY_DEFAULTS_FORMATTER, NULL, 0);
}
/* ************************************************* */
@@ -814,7 +865,8 @@ int pwc_set_awb(struct pwc_device *pdev, int mode)
buf = mode & 0x07; /* just the lowest three bits */
- ret = SendControlMsg(SET_CHROM_CTL, WB_MODE_FORMATTER, 1);
+ ret = send_control_msg(pdev,
+ SET_CHROM_CTL, WB_MODE_FORMATTER, &buf, sizeof(buf));
if (ret < 0)
return ret;
@@ -826,7 +878,8 @@ int pwc_get_awb(struct pwc_device *pdev)
unsigned char buf;
int ret;
- ret = RecvControlMsg(GET_CHROM_CTL, WB_MODE_FORMATTER, 1);
+ ret = recv_control_msg(pdev,
+ GET_CHROM_CTL, WB_MODE_FORMATTER, &buf, sizeof(buf));
if (ret < 0)
return ret;
@@ -843,7 +896,9 @@ int pwc_set_red_gain(struct pwc_device *pdev, int value)
value = 0xffff;
/* only the msb is considered */
buf = value >> 8;
- return SendControlMsg(SET_CHROM_CTL, PRESET_MANUAL_RED_GAIN_FORMATTER, 1);
+ return send_control_msg(pdev,
+ SET_CHROM_CTL, PRESET_MANUAL_RED_GAIN_FORMATTER,
+ &buf, sizeof(buf));
}
int pwc_get_red_gain(struct pwc_device *pdev, int *value)
@@ -851,7 +906,9 @@ 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);
+ ret = recv_control_msg(pdev,
+ GET_CHROM_CTL, PRESET_MANUAL_RED_GAIN_FORMATTER,
+ &buf, sizeof(buf));
if (ret < 0)
return ret;
*value = buf << 8;
@@ -869,7 +926,9 @@ int pwc_set_blue_gain(struct pwc_device *pdev, int value)
value = 0xffff;
/* only the msb is considered */
buf = value >> 8;
- return SendControlMsg(SET_CHROM_CTL, PRESET_MANUAL_BLUE_GAIN_FORMATTER, 1);
+ return send_control_msg(pdev,
+ SET_CHROM_CTL, PRESET_MANUAL_BLUE_GAIN_FORMATTER,
+ &buf, sizeof(buf));
}
int pwc_get_blue_gain(struct pwc_device *pdev, int *value)
@@ -877,7 +936,9 @@ 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);
+ ret = recv_control_msg(pdev,
+ GET_CHROM_CTL, PRESET_MANUAL_BLUE_GAIN_FORMATTER,
+ &buf, sizeof(buf));
if (ret < 0)
return ret;
*value = buf << 8;
@@ -894,7 +955,8 @@ static 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);
+ ret = recv_control_msg(pdev,
+ GET_STATUS_CTL, READ_RED_GAIN_FORMATTER, &buf, sizeof(buf));
if (ret < 0)
return ret;
*value = buf << 8;
@@ -906,7 +968,8 @@ static 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);
+ ret = recv_control_msg(pdev,
+ GET_STATUS_CTL, READ_BLUE_GAIN_FORMATTER, &buf, sizeof(buf));
if (ret < 0)
return ret;
*value = buf << 8;
@@ -920,7 +983,8 @@ static int pwc_set_wb_speed(struct pwc_device *pdev, int speed)
/* useful range is 0x01..0x20 */
buf = speed / 0x7f0;
- return SendControlMsg(SET_CHROM_CTL, AWB_CONTROL_SPEED_FORMATTER, 1);
+ return send_control_msg(pdev,
+ SET_CHROM_CTL, AWB_CONTROL_SPEED_FORMATTER, &buf, sizeof(buf));
}
static int pwc_get_wb_speed(struct pwc_device *pdev, int *value)
@@ -928,7 +992,8 @@ static 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);
+ ret = recv_control_msg(pdev,
+ GET_CHROM_CTL, AWB_CONTROL_SPEED_FORMATTER, &buf, sizeof(buf));
if (ret < 0)
return ret;
*value = buf * 0x7f0;
@@ -942,7 +1007,8 @@ static int pwc_set_wb_delay(struct pwc_device *pdev, int delay)
/* useful range is 0x01..0x3F */
buf = (delay >> 10);
- return SendControlMsg(SET_CHROM_CTL, AWB_CONTROL_DELAY_FORMATTER, 1);
+ return send_control_msg(pdev,
+ SET_CHROM_CTL, AWB_CONTROL_DELAY_FORMATTER, &buf, sizeof(buf));
}
static int pwc_get_wb_delay(struct pwc_device *pdev, int *value)
@@ -950,7 +1016,8 @@ static 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);
+ ret = recv_control_msg(pdev,
+ GET_CHROM_CTL, AWB_CONTROL_DELAY_FORMATTER, &buf, sizeof(buf));
if (ret < 0)
return ret;
*value = buf << 10;
@@ -978,7 +1045,8 @@ int pwc_set_leds(struct pwc_device *pdev, int on_value, int off_value)
buf[0] = on_value;
buf[1] = off_value;
- return SendControlMsg(SET_STATUS_CTL, LED_FORMATTER, 2);
+ return send_control_msg(pdev,
+ SET_STATUS_CTL, LED_FORMATTER, &buf, sizeof(buf));
}
static int pwc_get_leds(struct pwc_device *pdev, int *on_value, int *off_value)
@@ -992,7 +1060,8 @@ static int pwc_get_leds(struct pwc_device *pdev, int *on_value, int *off_value)
return 0;
}
- ret = RecvControlMsg(GET_STATUS_CTL, LED_FORMATTER, 2);
+ ret = recv_control_msg(pdev,
+ GET_STATUS_CTL, LED_FORMATTER, &buf, sizeof(buf));
if (ret < 0)
return ret;
*on_value = buf[0] * 100;
@@ -1009,7 +1078,8 @@ int pwc_set_contour(struct pwc_device *pdev, int contour)
buf = 0xff; /* auto contour on */
else
buf = 0x0; /* auto contour off */
- ret = SendControlMsg(SET_LUM_CTL, AUTO_CONTOUR_FORMATTER, 1);
+ ret = send_control_msg(pdev,
+ SET_LUM_CTL, AUTO_CONTOUR_FORMATTER, &buf, sizeof(buf));
if (ret < 0)
return ret;
@@ -1019,7 +1089,8 @@ int pwc_set_contour(struct pwc_device *pdev, int contour)
contour = 0xffff;
buf = (contour >> 10); /* contour preset is [0..3f] */
- ret = SendControlMsg(SET_LUM_CTL, PRESET_CONTOUR_FORMATTER, 1);
+ ret = send_control_msg(pdev,
+ SET_LUM_CTL, PRESET_CONTOUR_FORMATTER, &buf, sizeof(buf));
if (ret < 0)
return ret;
return 0;
@@ -1030,13 +1101,16 @@ int pwc_get_contour(struct pwc_device *pdev, int *contour)
unsigned char buf;
int ret;
- ret = RecvControlMsg(GET_LUM_CTL, AUTO_CONTOUR_FORMATTER, 1);
+ ret = recv_control_msg(pdev,
+ GET_LUM_CTL, AUTO_CONTOUR_FORMATTER, &buf, sizeof(buf));
if (ret < 0)
return ret;
if (buf == 0) {
/* auto mode off, query current preset value */
- ret = RecvControlMsg(GET_LUM_CTL, PRESET_CONTOUR_FORMATTER, 1);
+ ret = recv_control_msg(pdev,
+ GET_LUM_CTL, PRESET_CONTOUR_FORMATTER,
+ &buf, sizeof(buf));
if (ret < 0)
return ret;
*contour = buf << 10;
@@ -1055,7 +1129,9 @@ int pwc_set_backlight(struct pwc_device *pdev, int backlight)
buf = 0xff;
else
buf = 0x0;
- return SendControlMsg(SET_LUM_CTL, BACK_LIGHT_COMPENSATION_FORMATTER, 1);
+ return send_control_msg(pdev,
+ SET_LUM_CTL, BACK_LIGHT_COMPENSATION_FORMATTER,
+ &buf, sizeof(buf));
}
int pwc_get_backlight(struct pwc_device *pdev, int *backlight)
@@ -1063,7 +1139,9 @@ 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);
+ ret = recv_control_msg(pdev,
+ GET_LUM_CTL, BACK_LIGHT_COMPENSATION_FORMATTER,
+ &buf, sizeof(buf));
if (ret < 0)
return ret;
*backlight = !!buf;
@@ -1078,7 +1156,8 @@ int pwc_set_colour_mode(struct pwc_device *pdev, int colour)
buf = 0xff;
else
buf = 0x0;
- return SendControlMsg(SET_CHROM_CTL, COLOUR_MODE_FORMATTER, 1);
+ return send_control_msg(pdev,
+ SET_CHROM_CTL, COLOUR_MODE_FORMATTER, &buf, sizeof(buf));
}
int pwc_get_colour_mode(struct pwc_device *pdev, int *colour)
@@ -1086,7 +1165,8 @@ int pwc_get_colour_mode(struct pwc_device *pdev, int *colour)
int ret;
unsigned char buf;
- ret = RecvControlMsg(GET_CHROM_CTL, COLOUR_MODE_FORMATTER, 1);
+ ret = recv_control_msg(pdev,
+ GET_CHROM_CTL, COLOUR_MODE_FORMATTER, &buf, sizeof(buf));
if (ret < 0)
return ret;
*colour = !!buf;
@@ -1102,7 +1182,8 @@ int pwc_set_flicker(struct pwc_device *pdev, int flicker)
buf = 0xff;
else
buf = 0x0;
- return SendControlMsg(SET_LUM_CTL, FLICKERLESS_MODE_FORMATTER, 1);
+ return send_control_msg(pdev,
+ SET_LUM_CTL, FLICKERLESS_MODE_FORMATTER, &buf, sizeof(buf));
}
int pwc_get_flicker(struct pwc_device *pdev, int *flicker)
@@ -1110,7 +1191,8 @@ int pwc_get_flicker(struct pwc_device *pdev, int *flicker)
int ret;
unsigned char buf;
- ret = RecvControlMsg(GET_LUM_CTL, FLICKERLESS_MODE_FORMATTER, 1);
+ ret = recv_control_msg(pdev,
+ GET_LUM_CTL, FLICKERLESS_MODE_FORMATTER, &buf, sizeof(buf));
if (ret < 0)
return ret;
*flicker = !!buf;
@@ -1126,7 +1208,9 @@ int pwc_set_dynamic_noise(struct pwc_device *pdev, int noise)
if (noise > 3)
noise = 3;
buf = noise;
- return SendControlMsg(SET_LUM_CTL, DYNAMIC_NOISE_CONTROL_FORMATTER, 1);
+ return send_control_msg(pdev,
+ SET_LUM_CTL, DYNAMIC_NOISE_CONTROL_FORMATTER,
+ &buf, sizeof(buf));
}
int pwc_get_dynamic_noise(struct pwc_device *pdev, int *noise)
@@ -1134,7 +1218,9 @@ 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);
+ ret = recv_control_msg(pdev,
+ GET_LUM_CTL, DYNAMIC_NOISE_CONTROL_FORMATTER,
+ &buf, sizeof(buf));
if (ret < 0)
return ret;
*noise = buf;
@@ -1146,7 +1232,8 @@ 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);
+ return send_control_msg(pdev,
+ SET_MPT_CTL, PT_RESET_CONTROL_FORMATTER, &buf, sizeof(buf));
}
int pwc_mpt_reset(struct pwc_device *pdev, int flags)
@@ -1175,7 +1262,8 @@ static int _pwc_mpt_set_angle(struct pwc_device *pdev, int pan, int tilt)
buf[1] = (pan >> 8) & 0xFF;
buf[2] = tilt & 0xFF;
buf[3] = (tilt >> 8) & 0xFF;
- return SendControlMsg(SET_MPT_CTL, PT_RELATIVE_CONTROL_FORMATTER, 4);
+ return send_control_msg(pdev,
+ SET_MPT_CTL, PT_RELATIVE_CONTROL_FORMATTER, &buf, sizeof(buf));
}
int pwc_mpt_set_angle(struct pwc_device *pdev, int pan, int tilt)
@@ -1211,7 +1299,8 @@ static int pwc_mpt_get_status(struct pwc_device *pdev, struct pwc_mpt_status *st
int ret;
unsigned char buf[5];
- ret = RecvControlMsg(GET_MPT_CTL, PT_STATUS_FORMATTER, 5);
+ ret = recv_control_msg(pdev,
+ GET_MPT_CTL, PT_STATUS_FORMATTER, &buf, sizeof(buf));
if (ret < 0)
return ret;
status->status = buf[0] & 0x7; // 3 bits are used for reporting
@@ -1233,7 +1322,8 @@ int pwc_get_cmos_sensor(struct pwc_device *pdev, int *sensor)
else
request = SENSOR_TYPE_FORMATTER2;
- ret = RecvControlMsg(GET_STATUS_CTL, request, 1);
+ ret = recv_control_msg(pdev,
+ GET_STATUS_CTL, request, &buf, sizeof(buf));
if (ret < 0)
return ret;
if (pdev->type < 675)
--
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