diff options
author | Jean-François Moine <moinejf@free.fr> | 2011-05-17 05:32:39 -0300 |
---|---|---|
committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2011-05-21 09:36:15 -0300 |
commit | cf25220677b3f10468a74278130fe224f73632a6 (patch) | |
tree | 682af16f4011a04fa31639441a4f03e4af0077e0 /drivers/media/video | |
parent | bd62bbcd31f36db2ffb08a9f32743b2595d12613 (diff) | |
download | linux-cf25220677b3f10468a74278130fe224f73632a6.tar.gz linux-cf25220677b3f10468a74278130fe224f73632a6.tar.bz2 linux-cf25220677b3f10468a74278130fe224f73632a6.zip |
[media] gspca - sunplus: Fix some warnings and simplify code
This patch removes warnings due to GSPCA_DEBUG unsetting. It implied
a simplification of the code.
Signed-off-by: Jean-François Moine <moinejf@free.fr>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/video')
-rw-r--r-- | drivers/media/video/gspca/sunplus.c | 99 |
1 files changed, 33 insertions, 66 deletions
diff --git a/drivers/media/video/gspca/sunplus.c b/drivers/media/video/gspca/sunplus.c index 543542af2720..b089c0d3ee9f 100644 --- a/drivers/media/video/gspca/sunplus.c +++ b/drivers/media/video/gspca/sunplus.c @@ -396,57 +396,6 @@ static void reg_w_riv(struct gspca_dev *gspca_dev, req, index, value); } -/* read 1 byte */ -static u8 reg_r_1(struct gspca_dev *gspca_dev, - u16 value) /* wValue */ -{ - int ret; - - if (gspca_dev->usb_err < 0) - return 0; - ret = usb_control_msg(gspca_dev->dev, - usb_rcvctrlpipe(gspca_dev->dev, 0), - 0x20, /* request */ - USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE, - value, - 0, /* index */ - gspca_dev->usb_buf, 1, - 500); /* timeout */ - if (ret < 0) { - err("reg_r_1 err %d", ret); - gspca_dev->usb_err = ret; - return 0; - } - return gspca_dev->usb_buf[0]; -} - -/* read 1 or 2 bytes */ -static u16 reg_r_12(struct gspca_dev *gspca_dev, - u8 req, /* bRequest */ - u16 index, /* wIndex */ - u16 length) /* wLength (1 or 2 only) */ -{ - int ret; - - if (gspca_dev->usb_err < 0) - return 0; - gspca_dev->usb_buf[1] = 0; - ret = usb_control_msg(gspca_dev->dev, - usb_rcvctrlpipe(gspca_dev->dev, 0), - req, - USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE, - 0, /* value */ - index, - gspca_dev->usb_buf, length, - 500); - if (ret < 0) { - err("reg_r_12 err %d", ret); - gspca_dev->usb_err = ret; - return 0; - } - return (gspca_dev->usb_buf[1] << 8) + gspca_dev->usb_buf[0]; -} - static void write_vector(struct gspca_dev *gspca_dev, const struct cmd *data, int ncmds) { @@ -473,44 +422,46 @@ static void setup_qtable(struct gspca_dev *gspca_dev, static void spca504_acknowledged_command(struct gspca_dev *gspca_dev, u8 req, u16 idx, u16 val) { - u16 notdone; - reg_w_riv(gspca_dev, req, idx, val); - notdone = reg_r_12(gspca_dev, 0x01, 0x0001, 1); + reg_r(gspca_dev, 0x01, 0x0001, 1); + PDEBUG(D_FRAM, "before wait 0x%04x", gspca_dev->usb_buf[0]); reg_w_riv(gspca_dev, req, idx, val); - PDEBUG(D_FRAM, "before wait 0x%04x", notdone); - msleep(200); - notdone = reg_r_12(gspca_dev, 0x01, 0x0001, 1); - PDEBUG(D_FRAM, "after wait 0x%04x", notdone); + reg_r(gspca_dev, 0x01, 0x0001, 1); + PDEBUG(D_FRAM, "after wait 0x%04x", gspca_dev->usb_buf[0]); } +#ifdef GSPCA_DEBUG static void spca504_read_info(struct gspca_dev *gspca_dev) { int i; u8 info[6]; - for (i = 0; i < 6; i++) - info[i] = reg_r_1(gspca_dev, i); + for (i = 0; i < 6; i++) { + reg_r(gspca_dev, 0, i, 1); + info[i] = gspca_dev->usb_buf[0]; + } PDEBUG(D_STREAM, "Read info: %d %d %d %d %d %d." " Should be 1,0,2,2,0,0", info[0], info[1], info[2], info[3], info[4], info[5]); } +#endif static void spca504A_acknowledged_command(struct gspca_dev *gspca_dev, u8 req, - u16 idx, u16 val, u16 endcode, u8 count) + u16 idx, u16 val, u8 endcode, u8 count) { u16 status; reg_w_riv(gspca_dev, req, idx, val); - status = reg_r_12(gspca_dev, 0x01, 0x0001, 1); + reg_r(gspca_dev, 0x01, 0x0001, 1); if (gspca_dev->usb_err < 0) return; - PDEBUG(D_FRAM, "Status 0x%04x Need 0x%04x", status, endcode); + PDEBUG(D_FRAM, "Status 0x%02x Need 0x%02x", + gspca_dev->usb_buf[0], endcode); if (!count) return; count = 200; @@ -518,7 +469,8 @@ static void spca504A_acknowledged_command(struct gspca_dev *gspca_dev, msleep(10); /* gsmart mini2 write a each wait setting 1 ms is enough */ /* reg_w_riv(gspca_dev, req, idx, val); */ - status = reg_r_12(gspca_dev, 0x01, 0x0001, 1); + reg_r(gspca_dev, 0x01, 0x0001, 1); + status = gspca_dev->usb_buf[0]; if (status == endcode) { PDEBUG(D_FRAM, "status 0x%04x after wait %d", status, 200 - count); @@ -555,17 +507,19 @@ static void spca504B_WaitCmdStatus(struct gspca_dev *gspca_dev) } } +#ifdef GSPCA_DEBUG static void spca50x_GetFirmware(struct gspca_dev *gspca_dev) { u8 *data; data = gspca_dev->usb_buf; reg_r(gspca_dev, 0x20, 0, 5); - PDEBUG(D_STREAM, "FirmWare : %d %d %d %d %d ", + PDEBUG(D_STREAM, "FirmWare: %d %d %d %d %d", data[0], data[1], data[2], data[3], data[4]); reg_r(gspca_dev, 0x23, 0, 64); reg_r(gspca_dev, 0x23, 1, 64); } +#endif static void spca504B_SetSizeType(struct gspca_dev *gspca_dev) { @@ -578,7 +532,9 @@ static void spca504B_SetSizeType(struct gspca_dev *gspca_dev) reg_w_riv(gspca_dev, 0x31, 0, 0); spca504B_WaitCmdStatus(gspca_dev); spca504B_PollingDataReady(gspca_dev); +#ifdef GSPCA_DEBUG spca50x_GetFirmware(gspca_dev); +#endif reg_w_1(gspca_dev, 0x24, 0, 8, 2); /* type */ reg_r(gspca_dev, 0x24, 8, 1); @@ -628,7 +584,8 @@ static void spca504_wait_status(struct gspca_dev *gspca_dev) cnt = 256; while (--cnt > 0) { /* With this we get the status, when return 0 it's all ok */ - if (reg_r_12(gspca_dev, 0x06, 0x00, 1) == 0) + reg_r(gspca_dev, 0x06, 0x00, 1); + if (gspca_dev->usb_buf[0] == 0) return; msleep(10); } @@ -772,10 +729,14 @@ static int sd_init(struct gspca_dev *gspca_dev) /* fall thru */ case BRIDGE_SPCA533: spca504B_PollingDataReady(gspca_dev); +#ifdef GSPCA_DEBUG spca50x_GetFirmware(gspca_dev); +#endif break; case BRIDGE_SPCA536: +#ifdef GSPCA_DEBUG spca50x_GetFirmware(gspca_dev); +#endif reg_r(gspca_dev, 0x00, 0x5002, 1); reg_w_1(gspca_dev, 0x24, 0, 0, 0); reg_r(gspca_dev, 0x24, 0, 1); @@ -801,7 +762,9 @@ static int sd_init(struct gspca_dev *gspca_dev) /* case BRIDGE_SPCA504: */ PDEBUG(D_STREAM, "Opening SPCA504"); if (sd->subtype == AiptekMiniPenCam13) { +#ifdef GSPCA_DEBUG spca504_read_info(gspca_dev); +#endif /* Set AE AWB Banding Type 3-> 50Hz 2-> 60Hz */ spca504A_acknowledged_command(gspca_dev, 0x24, @@ -873,7 +836,9 @@ static int sd_start(struct gspca_dev *gspca_dev) break; case BRIDGE_SPCA504: if (sd->subtype == AiptekMiniPenCam13) { +#ifdef GSPCA_DEBUG spca504_read_info(gspca_dev); +#endif /* Set AE AWB Banding Type 3-> 50Hz 2-> 60Hz */ spca504A_acknowledged_command(gspca_dev, 0x24, @@ -885,7 +850,9 @@ static int sd_start(struct gspca_dev *gspca_dev) 0, 0, 0x9d, 1); } else { spca504_acknowledged_command(gspca_dev, 0x24, 8, 3); +#ifdef GSPCA_DEBUG spca504_read_info(gspca_dev); +#endif spca504_acknowledged_command(gspca_dev, 0x24, 8, 3); spca504_acknowledged_command(gspca_dev, 0x24, 0, 0); } |