From patchwork Wed Apr 22 21:00:24 2009 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg Kroah-Hartman X-Patchwork-Id: 19430 Received: from vger.kernel.org (vger.kernel.org [209.132.176.167]) by demeter.kernel.org (8.14.2/8.14.2) with ESMTP id n3ML3Vxv021239 for ; Wed, 22 Apr 2009 21:03:31 GMT Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755398AbZDVVDY (ORCPT ); Wed, 22 Apr 2009 17:03:24 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1755265AbZDVVDY (ORCPT ); Wed, 22 Apr 2009 17:03:24 -0400 Received: from kroah.org ([198.145.64.141]:36024 "EHLO coco.kroah.org" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1754835AbZDVVDX (ORCPT ); Wed, 22 Apr 2009 17:03:23 -0400 Received: from localhost (c-76-105-230-205.hsd1.or.comcast.net [76.105.230.205]) (using TLSv1 with cipher DHE-RSA-AES128-SHA (128/128 bits)) (No client certificate requested) by coco.kroah.org (Postfix) with ESMTPSA id 4252149092; Wed, 22 Apr 2009 14:03:22 -0700 (PDT) Subject: patch usb-pwc-do-not-pass-stack-allocated-buffers-to-usb-core.patch added to gregkh-2.6 tree To: mfuzzey@gmail.com, gregkh@suse.de, greg@kroah.com, linux-media@vger.kernel.org From: Date: Wed, 22 Apr 2009 14:00:24 -0700 In-Reply-To: <20090421194808.8272.8437.stgit@mfuzzey-laptop> Message-ID: <12404340242540@kroah.org> Sender: linux-media-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org This is a note to let you know that I've just added the patch titled Subject: USB: pwc : do not pass stack allocated buffers to USB core. to my gregkh-2.6 tree. Its filename is usb-pwc-do-not-pass-stack-allocated-buffers-to-usb-core.patch This tree can be found at http://www.kernel.org/pub/linux/kernel/people/gregkh/gregkh-2.6/patches/ From mfuzzey@gmail.com Wed Apr 22 13:31:46 2009 From: Martin Fuzzey Date: Tue, 21 Apr 2009 21:48:09 +0200 Subject: USB: pwc : do not pass stack allocated buffers to USB core. To: Greg KH , Message-ID: <20090421194808.8272.8437.stgit@mfuzzey-laptop> This is causes problems on platforms that have alignment requirements for DMA transfers. Signed-off-by: Martin Fuzzey Signed-off-by: Greg Kroah-Hartman --- drivers/media/video/pwc/pwc-ctrl.c | 240 +++++++++++++++++++++++++------------ 1 file changed, 165 insertions(+), 75 deletions(-) -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html --- 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(st /****************************************************************************/ +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) - -#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) + 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); + kfree(kbuf); + return rc; +} -static int send_video_command(struct usb_device *udev, int index, void *buf, int buflen) +static int recv_control_msg(struct pwc_device *pdev, + u8 request, u16 value, void *buf, int buflen) { - return usb_control_msg(udev, - usb_sndctrlpipe(udev, 0), + 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 inline int send_video_command(struct pwc_device *pdev, + int index, void *buf, int buflen) +{ + 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 pw 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 p 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 p 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 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 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 * 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 * 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 *pde 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 *pde 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 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 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, 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, 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, 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, *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_dev 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_dev 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_dev 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 * 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 * 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, 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 * 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 * 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 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 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_ 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 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_d /* 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_d 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_d /* 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_d 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 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_devic 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 *p 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 *p 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 *p 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 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 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_devic 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_devic 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 *p 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 *p 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_dev 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_dev 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_dev 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 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 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_devic 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)