From: Tomas Winkler Date: Tue, 8 Feb 2011 23:12:49 +0000 (+0200) Subject: stagine/easycap: make functions regset and regget static X-Git-Tag: firefly_0821_release~7613^2~2197^2~626 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=73132ce45a011ef76340e3d6393e79d8377e4312;p=firefly-linux-kernel-4.4.55.git stagine/easycap: make functions regset and regget static regget and regset functions are used only from within easycap_low.c so they can be static Move the functions to avoid forward declarations Move GET and SET macro definitions into the c-file Cc: Mike Thomas Signed-off-by: Tomas Winkler Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/staging/easycap/easycap.h b/drivers/staging/easycap/easycap.h index 7ce3444ab569..0ee60af6ccd9 100644 --- a/drivers/staging/easycap/easycap.h +++ b/drivers/staging/easycap/easycap.h @@ -575,8 +575,6 @@ int stop_100(struct usb_device *); int write_300(struct usb_device *); int read_vt(struct usb_device *, u16); int write_vt(struct usb_device *, u16, u16); -int regset(struct usb_device *, u16, u16); -int regget(struct usb_device *, u16, void *); int isdongle(struct easycap *); /*---------------------------------------------------------------------------*/ struct signed_div_result { @@ -585,27 +583,6 @@ struct signed_div_result { } signed_div(long long int, long long int); -/*---------------------------------------------------------------------------*/ -/* - * MACROS - */ -/*---------------------------------------------------------------------------*/ -#define GET(X, Y, Z) do { \ - int __rc; \ - *(Z) = (u16)0; \ - __rc = regget(X, Y, Z); \ - if (0 > __rc) { \ - JOT(8, ":-(%i\n", __LINE__); return __rc; \ - } \ -} while (0) - -#define SET(X, Y, Z) do { \ - int __rc; \ - __rc = regset(X, Y, Z); \ - if (0 > __rc) { \ - JOT(8, ":-(%i\n", __LINE__); return __rc; \ - } \ -} while (0) /*---------------------------------------------------------------------------*/ /* * MACROS SAM(...) AND JOM(...) ALLOW DIAGNOSTIC OUTPUT TO BE TAGGED WITH diff --git a/drivers/staging/easycap/easycap_low.c b/drivers/staging/easycap/easycap_low.c index 1ed90f94171d..39e22d51910b 100644 --- a/drivers/staging/easycap/easycap_low.c +++ b/drivers/staging/easycap/easycap_low.c @@ -40,6 +40,23 @@ #include "easycap.h" +#define GET(X, Y, Z) do { \ + int __rc; \ + *(Z) = (u16)0; \ + __rc = regget(X, Y, Z); \ + if (0 > __rc) { \ + JOT(8, ":-(%i\n", __LINE__); return __rc; \ + } \ +} while (0) + +#define SET(X, Y, Z) do { \ + int __rc; \ + __rc = regset(X, Y, Z); \ + if (0 > __rc) { \ + JOT(8, ":-(%i\n", __LINE__); return __rc; \ + } \ +} while (0) + /*--------------------------------------------------------------------------*/ static const struct stk1160config { int reg; @@ -238,7 +255,89 @@ static const struct saa7113config saa7113configNTSC[256] = { {0xFF, 0xFF} }; -/*--------------------------------------------------------------------------*/ + +static int regget(struct usb_device *pusb_device, u16 index, void *pvoid) +{ + int rc; + + if (!pusb_device) + return -ENODEV; + + rc = usb_control_msg(pusb_device, usb_rcvctrlpipe(pusb_device, 0), + (u8)0x00, + (u8)(USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE), + (u16)0x00, + (u16)index, + (void *)pvoid, + sizeof(u8), + (int)50000); + + return 0xFF & rc; +} + +static int regset(struct usb_device *pusb_device, u16 index, u16 value) +{ + u16 igot; + int rc0, rc1; + + if (!pusb_device) + return -ENODEV; + + rc1 = 0; igot = 0; + rc0 = usb_control_msg(pusb_device, usb_sndctrlpipe(pusb_device, 0), + (u8)0x01, + (u8)(USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE), + (u16)value, + (u16)index, + NULL, + (u16)0, + (int)500); + +#ifdef NOREADBACK +# +#else + rc1 = usb_control_msg(pusb_device, usb_rcvctrlpipe(pusb_device, 0), + (u8)0x00, + (u8)(USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE), + (u16)0x00, + (u16)index, + (void *)&igot, + (u16)sizeof(u16), + (int)50000); + igot = 0xFF & igot; + switch (index) { + case 0x000: + case 0x500: + case 0x502: + case 0x503: + case 0x504: + case 0x506: + case 0x507: + break; + + case 0x204: + case 0x205: + case 0x350: + case 0x351: + if (0 != (0xFF & igot)) { + JOT(8, "unexpected 0x%02X for STK register 0x%03X\n", + igot, index); + } + break; + + default: + if ((0xFF & value) != (0xFF & igot)) { + JOT(8, "unexpected 0x%02X != 0x%02X " + "for STK register 0x%03X\n", + igot, value, index); + } + break; + } +#endif /* ! NOREADBACK*/ + + return (0 > rc0) ? rc0 : rc1; +} +/*****************************************************************************/ /****************************************************************************/ int @@ -903,87 +1002,6 @@ for (k = 0; k < max; k++) { return -1; } /****************************************************************************/ -int regset(struct usb_device *pusb_device, u16 index, u16 value) -{ - u16 igot; - int rc0, rc1; - - if (!pusb_device) - return -ENODEV; - - rc1 = 0; igot = 0; - rc0 = usb_control_msg(pusb_device, usb_sndctrlpipe(pusb_device, 0), - (u8)0x01, - (u8)(USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE), - (u16)value, - (u16)index, - NULL, - (u16)0, - (int)500); - -#ifdef NOREADBACK -# -#else - rc1 = usb_control_msg(pusb_device, usb_rcvctrlpipe(pusb_device, 0), - (u8)0x00, - (u8)(USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE), - (u16)0x00, - (u16)index, - (void *)&igot, - (u16)sizeof(u16), - (int)50000); - igot = 0xFF & igot; - switch (index) { - case 0x000: - case 0x500: - case 0x502: - case 0x503: - case 0x504: - case 0x506: - case 0x507: - break; - - case 0x204: - case 0x205: - case 0x350: - case 0x351: - if (0 != (0xFF & igot)) { - JOT(8, "unexpected 0x%02X for STK register 0x%03X\n", - igot, index); - } - break; - - default: - if ((0xFF & value) != (0xFF & igot)) { - JOT(8, "unexpected 0x%02X != 0x%02X " - "for STK register 0x%03X\n", - igot, value, index); - } - break; - } -#endif /* ! NOREADBACK*/ - - return (0 > rc0) ? rc0 : rc1; -} -/*****************************************************************************/ -int regget(struct usb_device *pusb_device, u16 index, void *pvoid) -{ - int rc; - - if (!pusb_device) - return -ENODEV; - - rc = usb_control_msg(pusb_device, usb_rcvctrlpipe(pusb_device, 0), - (u8)0x00, - (u8)(USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE), - (u16)0x00, - (u16)index, - (void *)pvoid, - sizeof(u8), - (int)50000); - - return 0xFF & rc; -} /*****************************************************************************/ int wakeup_device(struct usb_device *pusb_device)