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- 03 6月, 2013 4 次提交
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由 David Herrmann 提交于
We need to correctly zero-terminate the input to parse it. Otherwise, we always end up interpreting it as numbers. Furthermore, we actually want hexadecimal numbers instead of decimal. As it is a debugfs interface, we can change the API at any time. Signed-off-by: NDavid Herrmann <dh.herrmann@gmail.com> Signed-off-by: NJiri Kosina <jkosina@suse.cz>
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由 David Herrmann 提交于
If we write a DRM mode via debugfs, we shouldn't allow normal operations to overwrite this DRM mode. This is important if we want to debug 3rd-party devices and we want to see what data is sent on each mode. If we write NULL/0 as DRM, the lock is removed again so the best matching DRM is chosen by wiimote core. Signed-off-by: NDavid Herrmann <dh.herrmann@gmail.com> Signed-off-by: NJiri Kosina <jkosina@suse.cz>
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由 David Herrmann 提交于
single_open() stores the seq_file pointer in file->private_data. It stores our ctx pointer in seq_file->private. Signed-off-by: NDavid Herrmann <dh.herrmann@gmail.com> Signed-off-by: NJiri Kosina <jkosina@suse.cz>
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由 David Herrmann 提交于
The hid-wiimote driver supports more than the Wii Remote. Nintendo produced many devices based on the Wii Remote, which have extension devices built-in. It is not clear to many users, that these devices have anything in common with the Wii Remote, so fix the driver description. This also updates the copyright information for the coming hotplugging rework. Signed-off-by: NDavid Herrmann <dh.herrmann@gmail.com> Signed-off-by: NJiri Kosina <jkosina@suse.cz>
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- 18 1月, 2013 1 次提交
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由 Simon Que 提交于
This variable is initialized conditionally, based on whether a wiimote call succeeds. However, the logic is not obvious to the compiler so it throws a warning. Eliminate the warning by initializing "size" to 0. The warning is: files/drivers/hid/hid-wiimote-debug.c:69:18: warning: 'size' may be used uninitialized in this function [-Wmaybe-uninitialized] Signed-off-by: NSimon Que <sque@chromium.org> Signed-off-by: NDavid Herrmann <dh.herrmann@googlemail.com> Signed-off-by: NJiri Kosina <jkosina@suse.cz>
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- 06 4月, 2012 1 次提交
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由 Stephen Boyd 提交于
Many users of debugfs copy the implementation of default_open() when they want to support a custom read/write function op. This leads to a proliferation of the default_open() implementation across the entire tree. Now that the common implementation has been consolidated into libfs we can replace all the users of this function with simple_open(). This replacement was done with the following semantic patch: <smpl> @ open @ identifier open_f != simple_open; identifier i, f; @@ -int open_f(struct inode *i, struct file *f) -{ ( -if (i->i_private) -f->private_data = i->i_private; | -f->private_data = i->i_private; ) -return 0; -} @ has_open depends on open @ identifier fops; identifier open.open_f; @@ struct file_operations fops = { ... -.open = open_f, +.open = simple_open, ... }; </smpl> [akpm@linux-foundation.org: checkpatch fixes] Signed-off-by: NStephen Boyd <sboyd@codeaurora.org> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Al Viro <viro@zeniv.linux.org.uk> Cc: Julia Lawall <Julia.Lawall@lip6.fr> Acked-by: NIngo Molnar <mingo@elte.hu> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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- 23 11月, 2011 3 次提交
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由 David Herrmann 提交于
Keep track of current drm and add new debugfs file which reads or writes the current DRM. Signed-off-by: NDavid Herrmann <dh.herrmann@googlemail.com> Signed-off-by: NJiri Kosina <jkosina@suse.cz>
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由 David Herrmann 提交于
The wiimote provides direct access to parts of its eeprom. This implements read support for small chunks of the eeprom. This isn't very fast but prevents the reader from blocking the wiimote stream for too long. Write support is not yet supported as the wiimote breaks if we overwrite its memory. Use hidraw to reverse-engineer the eeprom before implementing write support here. Signed-off-by: NDavid Herrmann <dh.herrmann@googlemail.com> Signed-off-by: NJiri Kosina <jkosina@suse.cz>
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由 David Herrmann 提交于
Add initializer and deinitializer for debugfs support. This will later allow raw eeprom access and direct DRM modifications to debug wiimote behaviour and further protocol reverse-engineerings. Signed-off-by: NDavid Herrmann <dh.herrmann@googlemail.com> Signed-off-by: NJiri Kosina <jkosina@suse.cz>
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