AuxXxilium/linux_dsm_epyc7002
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linux_dsm_epyc7002/drivers/media/dvb-frontends/lgs8gl5.h

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treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 61 Based on 1 normalized pattern(s): this program is free software you can redistribute it and or modify it under the terms of the gnu general public license as published by the free software foundation either version 2 of the license or at your option any later version this program is distributed in the hope that it will be useful but without any warranty without even the implied warranty of merchantability or fitness for a particular purpose see the gnu general public license for more details you should have received a copy of the gnu general public license along with this program if not write to the free software foundation inc 675 mass ave cambridge ma 02139 usa extracted by the scancode license scanner the SPDX license identifier GPL-2.0-or-later has been chosen to replace the boilerplate/reference in 441 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Michael Ellerman <mpe@ellerman.id.au> (powerpc) Reviewed-by: Richard Fontana <rfontana@redhat.com> Reviewed-by: Allison Randal <allison@lohutok.net> Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190520071858.739733335@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-05-20 14:19:02 +07:00
/* SPDX-License-Identifier: GPL-2.0-or-later */
V4L/DVB (8657): cxusb: add lgs8gl5 and support for Magic-Pro DMB-TH usb stick Add support for Magic-Pro DMB-TH usb stick. DMB-TH is the HDTV broadcast standard used in Hong Kong and China. [...] I've also attached a second patch against the dvb-apps repository which adds a DMB-TH scan file for Hong Kong. Since the ProHDTV stick contains a DMB-TH decoder (lgs8gl5) onboard, it outputs MPEG-TS to the PC. Signed-off-by: Timothy Lee <timothy.lee@siriushk.com> Signed-off-by: Michael Krufky <mkrufky@linuxtv.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2008-08-09 23:36:51 +07:00
/*
Legend Silicon LGS-8GL5 DMB-TH OFDM demodulator driver
Copyright (C) 2008 Sirius International (Hong Kong) Limited
Timothy Lee <timothy.lee@siriushk.com>
*/
#ifndef LGS8GL5_H
#define LGS8GL5_H
#include <linux/dvb/frontend.h>
struct lgs8gl5_config {
/* the demodulator's i2c address */
u8 demod_address;
};
[media] Add and use IS_REACHABLE macro In the media drivers, the v4l2 core knows about all submodules and calls into them from a common function. However this cannot work if the modules that get called are loadable and the core is built-in. In that case we get drivers/built-in.o: In function `set_type': drivers/media/v4l2-core/tuner-core.c:301: undefined reference to `tea5767_attach' drivers/media/v4l2-core/tuner-core.c:307: undefined reference to `tea5761_attach' drivers/media/v4l2-core/tuner-core.c:349: undefined reference to `tda9887_attach' drivers/media/v4l2-core/tuner-core.c:405: undefined reference to `xc4000_attach' This was working previously, until the IS_ENABLED() macro was used to replace the construct like #if defined(CONFIG_DVB_CX24110) || (defined(CONFIG_DVB_CX24110_MODULE) && defined(MODULE)) with the difference that the new code no longer checks whether it is being built as a loadable module itself. To fix this, this new patch adds an 'IS_REACHABLE' macro, which evaluates true in exactly the condition that was used previously. The downside of this is that this trades an obvious link error for a more subtle runtime failure, but it is clear that the change that introduced the link error was unintentional and it seems better to revert it for now. Also, a similar change was originally created by Trent Piepho and then reverted by teh change to the IS_ENABLED macro. Ideally Kconfig would be used to avoid the case of a broken dependency, or the code restructured in a way to turn around the dependency, but either way would require much larger changes here. Fixes: 7b34be71db53 ("[media] use IS_ENABLED() macro") See-also: c5dec9fb248e ("V4L/DVB (4751): Fix DBV_FE_CUSTOMISE for card drivers compiled into kernel") Signed-off-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
2015-02-19 00:12:42 +07:00
#if IS_REACHABLE(CONFIG_DVB_LGS8GL5)
V4L/DVB (8657): cxusb: add lgs8gl5 and support for Magic-Pro DMB-TH usb stick Add support for Magic-Pro DMB-TH usb stick. DMB-TH is the HDTV broadcast standard used in Hong Kong and China. [...] I've also attached a second patch against the dvb-apps repository which adds a DMB-TH scan file for Hong Kong. Since the ProHDTV stick contains a DMB-TH decoder (lgs8gl5) onboard, it outputs MPEG-TS to the PC. Signed-off-by: Timothy Lee <timothy.lee@siriushk.com> Signed-off-by: Michael Krufky <mkrufky@linuxtv.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2008-08-09 23:36:51 +07:00
extern struct dvb_frontend *lgs8gl5_attach(
const struct lgs8gl5_config *config, struct i2c_adapter *i2c);
#else
static inline struct dvb_frontend *lgs8gl5_attach(
const struct lgs8gl5_config *config, struct i2c_adapter *i2c) {
printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
return NULL;
}
#endif /* CONFIG_DVB_LGS8GL5 */
#endif /* LGS8GL5_H */
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