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18b548ca58
Debugging cleanups to the zr36067 driver: * Use module_param_named() to declare the debug parameter, so we can use a single global variable to handle the debug level. This makes the driver a bit smaller (by 648 bytes on x86_64), thanks to one less level of indirection on every use. * Change the debug parameter sysfs permissions, so that the debug level can be adjusted at runtime, as is done in many other media/video drivers. * The debug level is between 0 and 5, not 0 and 4. * Move the zr_debug export and dprintk macro definition to a header file so that we don't have to define them in each source file. * Simplify a duplicate test on zr_debug. Note that zr_debug was subsequently renamed to debug_zr36067 to avoid possible conflicts with other Zoran device drivers, on a suggestion by Trent Piepho. Signed-off-by: Jean Delvare <khali@linux-fr.org> Signed-off-by: Trent Piepho <xyzzy@speakeasy.org> Acked-by: Ronald S. Bultje <rbultje@ronald.bitfreak.net> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
54 lines
1.7 KiB
C
54 lines
1.7 KiB
C
/*
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* Zoran zr36057/zr36067 PCI controller driver, for the
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* Pinnacle/Miro DC10/DC10+/DC30/DC30+, Iomega Buz, Linux
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* Media Labs LML33/LML33R10.
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*
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* This part handles card-specific data and detection
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*
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* Copyright (C) 2000 Serguei Miridonov <mirsev@cicese.mx>
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*
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* Currently maintained by:
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* Ronald Bultje <rbultje@ronald.bitfreak.net>
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* Laurent Pinchart <laurent.pinchart@skynet.be>
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* Mailinglist <mjpeg-users@lists.sf.net>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#ifndef __ZORAN_CARD_H__
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#define __ZORAN_CARD_H__
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extern int zr36067_debug;
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#define dprintk(num, format, args...) \
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do { \
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if (zr36067_debug >= num) \
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printk(format, ##args); \
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} while (0)
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/* Anybody who uses more than four? */
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#define BUZ_MAX 4
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extern int zoran_num;
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extern struct zoran zoran[BUZ_MAX];
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extern struct video_device zoran_template;
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extern int zoran_check_jpg_settings(struct zoran *zr,
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struct zoran_jpg_settings *settings);
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extern void zoran_open_init_params(struct zoran *zr);
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extern void zoran_vdev_release(struct video_device *vdev);
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#endif /* __ZORAN_CARD_H__ */
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