[PATCH] media: v4l2-ctrls: add control for test pattern
From: Lad, Prabhakar prabhakar@ti.com add V4L2_CID_TEST_PATTERN of type menu, which determines the internal test pattern selected by the device. Signed-off-by: Lad, Prabhakar prabhakar@ti.com Signed-off-by: Manjunath Hadli manjunath.ha...@ti.com Cc: Sakari Ailus sakari.ai...@iki.fi Cc: Hans Verkuil hans.verk...@cisco.com Cc: Laurent Pinchart laurent.pinch...@ideasonboard.com Cc: Mauro Carvalho Chehab mche...@infradead.org Cc: Sylwester Nawrocki s.nawro...@samsung.com Cc: Hans de Goede hdego...@redhat.com Cc: Kyungmin Park kyungmin.p...@samsung.com Cc: Rob Landley r...@landley.net Cc: HeungJun Kim riverful@samsung.com Cc: Rob Landley r...@landley.net --- This patches has one checkpatch warning for line over 80 characters altough it can be avoided I have kept it for consistency. Documentation/DocBook/media/v4l/controls.xml | 52 ++ drivers/media/v4l2-core/v4l2-ctrls.c | 16 include/linux/videodev2.h| 12 ++ 3 files changed, 80 insertions(+), 0 deletions(-) diff --git a/Documentation/DocBook/media/v4l/controls.xml b/Documentation/DocBook/media/v4l/controls.xml index f704218..06f16e7 100644 --- a/Documentation/DocBook/media/v4l/controls.xml +++ b/Documentation/DocBook/media/v4l/controls.xml @@ -4313,6 +4313,58 @@ interface and may change in the future./para /tbody /entrytbl /row + row + entry spanname=idconstantV4L2_CID_TEST_PATTERN/constant/entry + entrymenu/entry + /row + row id=v4l2-test-pattern + entry spanname=descr The capture devices/sensors have the capability to + generate internal test patterns. This test patterns are used to test a device + is properly working and can generate the desired waveforms that it supports. + /entry + /row + row + entrytbl spanname=descr cols=2 + tbody valign=top + row +entryconstantV4L2_TEST_PATTERN_DISABLED/constant/entry + entryTest pattern generation is disabled/entry + /row + row + entryconstantV4L2_TEST_PATTERN_VERTICAL_LINES/constant/entry + entryGenerate vertical lines as test pattern/entry + /row + row + entryconstantV4L2_TEST_PATTERN_HORIZONTAL_LINES/constant/entry + entryGenerate horizontal lines as test pattern/entry + /row + row + entryconstantV4L2_TEST_PATTERN_DIAGONAL_LINES/constant/entry + entryGenerate diagonal lines as test pattern/entry + /row + row + entryconstantV4L2_TEST_PATTERN_SOLID_BLACK/constant/entry + entryGenerate solid black color as test pattern/entry + /row + row + entryconstantV4L2_TEST_PATTERN_SOLID_WHITE/constant/entry + entryGenerate solid white color as test pattern/entry + /row + row + entryconstantV4L2_TEST_PATTERN_SOLID_BLUE/constant/entry + entryGenerate solid blue color as test pattern/entry + /row + row + entryconstantV4L2_TEST_PATTERN_SOLID_RED/constant/entry + entryGenerate solid red color as test pattern/entry + /row + row + entryconstantV4L2_TEST_PATTERN_CHECKER_BOARD/constant/entry + entryGenerate a checker board as test pattern/entry + /row + /tbody + /entrytbl + /row rowentry/entry/row /tbody /tgroup diff --git a/drivers/media/v4l2-core/v4l2-ctrls.c b/drivers/media/v4l2-core/v4l2-ctrls.c index 2d7bc15..ae709d1 100644 --- a/drivers/media/v4l2-core/v4l2-ctrls.c +++ b/drivers/media/v4l2-core/v4l2-ctrls.c @@ -430,6 +430,18 @@ const char * const *v4l2_ctrl_get_menu(u32 id) Advanced Predictor, NULL, }; + static const char * const test_pattern[] = { + Test Pattern Disabled, + Vertical Lines, + Horizontal Lines, + Diagonal Lines, + Solid Black, + Solid White, + Solid Blue, + Solid Red, + Checker Board, + NULL, + }; switch (id) { case V4L2_CID_MPEG_AUDIO_SAMPLING_FREQ: @@ -509,6 +521,8 @@ const char * const *v4l2_ctrl_get_menu(u32 id) return jpeg_chroma_subsampling; case V4L2_CID_DPCM_PREDICTOR: return dpcm_predictor; + case V4L2_CID_TEST_PATTERN: + return test_pattern; default: return NULL; @@ -740,6 +754,7 @@ const char *v4l2_ctrl_get_name(u32 id) case V4L2_CID_LINK_FREQ:return
Re: [PATCH] media: v4l2-ctrls: add control for test pattern
On Mon September 3 2012 11:16:17 Prabhakar Lad wrote: From: Lad, Prabhakar prabhakar@ti.com add V4L2_CID_TEST_PATTERN of type menu, which determines the internal test pattern selected by the device. Signed-off-by: Lad, Prabhakar prabhakar@ti.com Signed-off-by: Manjunath Hadli manjunath.ha...@ti.com Cc: Sakari Ailus sakari.ai...@iki.fi Cc: Hans Verkuil hans.verk...@cisco.com Cc: Laurent Pinchart laurent.pinch...@ideasonboard.com Cc: Mauro Carvalho Chehab mche...@infradead.org Cc: Sylwester Nawrocki s.nawro...@samsung.com Cc: Hans de Goede hdego...@redhat.com Cc: Kyungmin Park kyungmin.p...@samsung.com Cc: Rob Landley r...@landley.net Cc: HeungJun Kim riverful@samsung.com Cc: Rob Landley r...@landley.net --- This patches has one checkpatch warning for line over 80 characters altough it can be avoided I have kept it for consistency. Documentation/DocBook/media/v4l/controls.xml | 52 ++ drivers/media/v4l2-core/v4l2-ctrls.c | 16 include/linux/videodev2.h| 12 ++ 3 files changed, 80 insertions(+), 0 deletions(-) diff --git a/Documentation/DocBook/media/v4l/controls.xml b/Documentation/DocBook/media/v4l/controls.xml index f704218..06f16e7 100644 --- a/Documentation/DocBook/media/v4l/controls.xml +++ b/Documentation/DocBook/media/v4l/controls.xml @@ -4313,6 +4313,58 @@ interface and may change in the future./para /tbody /entrytbl /row + row + entry spanname=idconstantV4L2_CID_TEST_PATTERN/constant/entry + entrymenu/entry + /row + row id=v4l2-test-pattern + entry spanname=descr The capture devices/sensors have the capability to Test patterns are also applicable to output devices, not just capture and sensor devices. + generate internal test patterns. This test patterns are used to test a device + is properly working and can generate the desired waveforms that it supports. + /entry + /row + row + entrytbl spanname=descr cols=2 + tbody valign=top + row + entryconstantV4L2_TEST_PATTERN_DISABLED/constant/entry + entryTest pattern generation is disabled/entry + /row + row + entryconstantV4L2_TEST_PATTERN_VERTICAL_LINES/constant/entry + entryGenerate vertical lines as test pattern/entry + /row + row + entryconstantV4L2_TEST_PATTERN_HORIZONTAL_LINES/constant/entry + entryGenerate horizontal lines as test pattern/entry + /row + row + entryconstantV4L2_TEST_PATTERN_DIAGONAL_LINES/constant/entry + entryGenerate diagonal lines as test pattern/entry + /row + row + entryconstantV4L2_TEST_PATTERN_SOLID_BLACK/constant/entry + entryGenerate solid black color as test pattern/entry + /row + row + entryconstantV4L2_TEST_PATTERN_SOLID_WHITE/constant/entry + entryGenerate solid white color as test pattern/entry + /row + row + entryconstantV4L2_TEST_PATTERN_SOLID_BLUE/constant/entry + entryGenerate solid blue color as test pattern/entry + /row + row + entryconstantV4L2_TEST_PATTERN_SOLID_RED/constant/entry + entryGenerate solid red color as test pattern/entry + /row Just wondering: is there no SOLID_GREEN available with this sensor? Regards, Hans + row + entryconstantV4L2_TEST_PATTERN_CHECKER_BOARD/constant/entry + entryGenerate a checker board as test pattern/entry + /row + /tbody + /entrytbl + /row rowentry/entry/row /tbody /tgroup diff --git a/drivers/media/v4l2-core/v4l2-ctrls.c b/drivers/media/v4l2-core/v4l2-ctrls.c index 2d7bc15..ae709d1 100644 --- a/drivers/media/v4l2-core/v4l2-ctrls.c +++ b/drivers/media/v4l2-core/v4l2-ctrls.c @@ -430,6 +430,18 @@ const char * const *v4l2_ctrl_get_menu(u32 id) Advanced Predictor, NULL, }; + static const char * const test_pattern[] = { + Test Pattern Disabled, + Vertical Lines, + Horizontal Lines, + Diagonal Lines, + Solid Black, + Solid White, + Solid Blue, + Solid Red, + Checker Board, + NULL, + }; switch (id) { case V4L2_CID_MPEG_AUDIO_SAMPLING_FREQ: @@ -509,6 +521,8 @@ const char * const *v4l2_ctrl_get_menu(u32 id) return jpeg_chroma_subsampling; case V4L2_CID_DPCM_PREDICTOR: return dpcm_predictor; + case
Re: [PATCH] media: v4l2-ctrls: add control for test pattern
On 09/03/2012 11:16 AM, Prabhakar Lad wrote: diff --git a/drivers/media/v4l2-core/v4l2-ctrls.c b/drivers/media/v4l2-core/v4l2-ctrls.c index 2d7bc15..ae709d1 100644 --- a/drivers/media/v4l2-core/v4l2-ctrls.c +++ b/drivers/media/v4l2-core/v4l2-ctrls.c @@ -430,6 +430,18 @@ const char * const *v4l2_ctrl_get_menu(u32 id) Advanced Predictor, NULL, }; + static const char * const test_pattern[] = { + Test Pattern Disabled, How about just Disabled ? + Vertical Lines, + Horizontal Lines, + Diagonal Lines, + Solid Black, + Solid White, + Solid Blue, + Solid Red, + Checker Board, + NULL, + }; -- Regards, Sylwester -- To unsubscribe from this list: send the line unsubscribe linux-media in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
Re: [PATCH] media: v4l2-ctrls: add control for test pattern
Hi Hans, Thanks for the review. On Monday 03 September 2012 02:52 PM, Hans Verkuil wrote: On Mon September 3 2012 11:16:17 Prabhakar Lad wrote: From: Lad, Prabhakar prabhakar@ti.com add V4L2_CID_TEST_PATTERN of type menu, which determines the internal test pattern selected by the device. Signed-off-by: Lad, Prabhakar prabhakar@ti.com Signed-off-by: Manjunath Hadli manjunath.ha...@ti.com Cc: Sakari Ailus sakari.ai...@iki.fi Cc: Hans Verkuil hans.verk...@cisco.com Cc: Laurent Pinchart laurent.pinch...@ideasonboard.com Cc: Mauro Carvalho Chehab mche...@infradead.org Cc: Sylwester Nawrocki s.nawro...@samsung.com Cc: Hans de Goede hdego...@redhat.com Cc: Kyungmin Park kyungmin.p...@samsung.com Cc: Rob Landley r...@landley.net Cc: HeungJun Kim riverful@samsung.com Cc: Rob Landley r...@landley.net --- This patches has one checkpatch warning for line over 80 characters altough it can be avoided I have kept it for consistency. Documentation/DocBook/media/v4l/controls.xml | 52 ++ drivers/media/v4l2-core/v4l2-ctrls.c | 16 include/linux/videodev2.h| 12 ++ 3 files changed, 80 insertions(+), 0 deletions(-) diff --git a/Documentation/DocBook/media/v4l/controls.xml b/Documentation/DocBook/media/v4l/controls.xml index f704218..06f16e7 100644 --- a/Documentation/DocBook/media/v4l/controls.xml +++ b/Documentation/DocBook/media/v4l/controls.xml @@ -4313,6 +4313,58 @@ interface and may change in the future./para /tbody /entrytbl /row + row +entry spanname=idconstantV4L2_CID_TEST_PATTERN/constant/entry +entrymenu/entry + /row + row id=v4l2-test-pattern +entry spanname=descr The capture devices/sensors have the capability to Test patterns are also applicable to output devices, not just capture and sensor devices. Agreed. I'll make it 'capture/display/sensors'. +generate internal test patterns. This test patterns are used to test a device +is properly working and can generate the desired waveforms that it supports. +/entry + /row + row +entrytbl spanname=descr cols=2 + tbody valign=top +row + entryconstantV4L2_TEST_PATTERN_DISABLED/constant/entry + entryTest pattern generation is disabled/entry +/row +row + entryconstantV4L2_TEST_PATTERN_VERTICAL_LINES/constant/entry + entryGenerate vertical lines as test pattern/entry +/row +row + entryconstantV4L2_TEST_PATTERN_HORIZONTAL_LINES/constant/entry + entryGenerate horizontal lines as test pattern/entry +/row +row + entryconstantV4L2_TEST_PATTERN_DIAGONAL_LINES/constant/entry + entryGenerate diagonal lines as test pattern/entry +/row +row + entryconstantV4L2_TEST_PATTERN_SOLID_BLACK/constant/entry + entryGenerate solid black color as test pattern/entry +/row +row + entryconstantV4L2_TEST_PATTERN_SOLID_WHITE/constant/entry + entryGenerate solid white color as test pattern/entry +/row +row + entryconstantV4L2_TEST_PATTERN_SOLID_BLUE/constant/entry + entryGenerate solid blue color as test pattern/entry +/row +row + entryconstantV4L2_TEST_PATTERN_SOLID_RED/constant/entry + entryGenerate solid red color as test pattern/entry +/row Just wondering: is there no SOLID_GREEN available with this sensor? Not sure I guess it should be. Thanks and Regards, --Prabhakar Lad Regards, Hans +row + entryconstantV4L2_TEST_PATTERN_CHECKER_BOARD/constant/entry + entryGenerate a checker board as test pattern/entry +/row + /tbody +/entrytbl + /row rowentry/entry/row /tbody /tgroup diff --git a/drivers/media/v4l2-core/v4l2-ctrls.c b/drivers/media/v4l2-core/v4l2-ctrls.c index 2d7bc15..ae709d1 100644 --- a/drivers/media/v4l2-core/v4l2-ctrls.c +++ b/drivers/media/v4l2-core/v4l2-ctrls.c @@ -430,6 +430,18 @@ const char * const *v4l2_ctrl_get_menu(u32 id) Advanced Predictor, NULL, }; +static const char * const test_pattern[] = { +Test Pattern Disabled, +Vertical Lines, +Horizontal Lines, +Diagonal Lines, +Solid Black, +Solid White, +Solid Blue, +Solid Red, +Checker Board, +NULL, +}; switch (id) { case V4L2_CID_MPEG_AUDIO_SAMPLING_FREQ: @@ -509,6 +521,8 @@ const char * const
Re: [PATCH] media: v4l2-ctrls: add control for test pattern
Hi Sylwester, Thanks for the review. On Monday 03 September 2012 02:55 PM, Sylwester Nawrocki wrote: On 09/03/2012 11:16 AM, Prabhakar Lad wrote: diff --git a/drivers/media/v4l2-core/v4l2-ctrls.c b/drivers/media/v4l2-core/v4l2-ctrls.c index 2d7bc15..ae709d1 100644 --- a/drivers/media/v4l2-core/v4l2-ctrls.c +++ b/drivers/media/v4l2-core/v4l2-ctrls.c @@ -430,6 +430,18 @@ const char * const *v4l2_ctrl_get_menu(u32 id) Advanced Predictor, NULL, }; +static const char * const test_pattern[] = { +Test Pattern Disabled, How about just Disabled ? Ok. Thanks and Regards, --Prabhakar Lad +Vertical Lines, +Horizontal Lines, +Diagonal Lines, +Solid Black, +Solid White, +Solid Blue, +Solid Red, +Checker Board, +NULL, +}; -- Regards, Sylwester -- To unsubscribe from this list: send the line unsubscribe linux-media in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
Re: [PATCH] media: v4l2-ctrls: add control for test pattern
Hi Prabhakar, Thanks for the patch. On Mon, Sep 03, 2012 at 02:46:17PM +0530, Prabhakar Lad wrote: From: Lad, Prabhakar prabhakar@ti.com add V4L2_CID_TEST_PATTERN of type menu, which determines the internal test pattern selected by the device. Signed-off-by: Lad, Prabhakar prabhakar@ti.com Signed-off-by: Manjunath Hadli manjunath.ha...@ti.com Cc: Sakari Ailus sakari.ai...@iki.fi Cc: Hans Verkuil hans.verk...@cisco.com Cc: Laurent Pinchart laurent.pinch...@ideasonboard.com Cc: Mauro Carvalho Chehab mche...@infradead.org Cc: Sylwester Nawrocki s.nawro...@samsung.com Cc: Hans de Goede hdego...@redhat.com Cc: Kyungmin Park kyungmin.p...@samsung.com Cc: Rob Landley r...@landley.net Cc: HeungJun Kim riverful@samsung.com Cc: Rob Landley r...@landley.net --- This patches has one checkpatch warning for line over 80 characters altough it can be avoided I have kept it for consistency. Documentation/DocBook/media/v4l/controls.xml | 52 ++ drivers/media/v4l2-core/v4l2-ctrls.c | 16 include/linux/videodev2.h| 12 ++ 3 files changed, 80 insertions(+), 0 deletions(-) diff --git a/Documentation/DocBook/media/v4l/controls.xml b/Documentation/DocBook/media/v4l/controls.xml index f704218..06f16e7 100644 --- a/Documentation/DocBook/media/v4l/controls.xml +++ b/Documentation/DocBook/media/v4l/controls.xml @@ -4313,6 +4313,58 @@ interface and may change in the future./para /tbody /entrytbl /row + row + entry spanname=idconstantV4L2_CID_TEST_PATTERN/constant/entry + entrymenu/entry + /row + row id=v4l2-test-pattern + entry spanname=descr The capture devices/sensors have the capability to + generate internal test patterns. This test patterns are used to test a device + is properly working and can generate the desired waveforms that it supports. + /entry + /row + row + entrytbl spanname=descr cols=2 + tbody valign=top + row + entryconstantV4L2_TEST_PATTERN_DISABLED/constant/entry + entryTest pattern generation is disabled/entry + /row + row + entryconstantV4L2_TEST_PATTERN_VERTICAL_LINES/constant/entry + entryGenerate vertical lines as test pattern/entry + /row + row + entryconstantV4L2_TEST_PATTERN_HORIZONTAL_LINES/constant/entry + entryGenerate horizontal lines as test pattern/entry + /row + row + entryconstantV4L2_TEST_PATTERN_DIAGONAL_LINES/constant/entry + entryGenerate diagonal lines as test pattern/entry + /row + row + entryconstantV4L2_TEST_PATTERN_SOLID_BLACK/constant/entry + entryGenerate solid black color as test pattern/entry + /row + row + entryconstantV4L2_TEST_PATTERN_SOLID_WHITE/constant/entry + entryGenerate solid white color as test pattern/entry + /row + row + entryconstantV4L2_TEST_PATTERN_SOLID_BLUE/constant/entry + entryGenerate solid blue color as test pattern/entry + /row + row + entryconstantV4L2_TEST_PATTERN_SOLID_RED/constant/entry + entryGenerate solid red color as test pattern/entry + /row + row + entryconstantV4L2_TEST_PATTERN_CHECKER_BOARD/constant/entry + entryGenerate a checker board as test pattern/entry + /row You're defining 8 different test patterns based on a single device, I guess? As the test patterns are not standardised, I'd suppose that if another driver implements the same control, it would require another n menu items added to the same standard menu. That way we'd run quickly out of menu items as the maximum is 32. For this reason I'd leave the items in the menu up to the driver that implements the control, until we have more information on the test patterns different devices implement --- as discussed earlier. Kind regards, -- Sakari Ailus e-mail: sakari.ai...@iki.fi XMPP: sai...@retiisi.org.uk -- To unsubscribe from this list: send the line unsubscribe linux-media in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
Re: [PATCH] media: v4l2-ctrls: add control for test pattern
Hi Sakari, Thanks for the review. On Tuesday 04 September 2012 01:09 AM, Sakari Ailus wrote: Hi Prabhakar, Thanks for the patch. On Mon, Sep 03, 2012 at 02:46:17PM +0530, Prabhakar Lad wrote: From: Lad, Prabhakar prabhakar@ti.com add V4L2_CID_TEST_PATTERN of type menu, which determines the internal test pattern selected by the device. Signed-off-by: Lad, Prabhakar prabhakar@ti.com Signed-off-by: Manjunath Hadli manjunath.ha...@ti.com Cc: Sakari Ailus sakari.ai...@iki.fi Cc: Hans Verkuil hans.verk...@cisco.com Cc: Laurent Pinchart laurent.pinch...@ideasonboard.com Cc: Mauro Carvalho Chehab mche...@infradead.org Cc: Sylwester Nawrocki s.nawro...@samsung.com Cc: Hans de Goede hdego...@redhat.com Cc: Kyungmin Park kyungmin.p...@samsung.com Cc: Rob Landley r...@landley.net Cc: HeungJun Kim riverful@samsung.com Cc: Rob Landley r...@landley.net --- This patches has one checkpatch warning for line over 80 characters altough it can be avoided I have kept it for consistency. Documentation/DocBook/media/v4l/controls.xml | 52 ++ drivers/media/v4l2-core/v4l2-ctrls.c | 16 include/linux/videodev2.h| 12 ++ 3 files changed, 80 insertions(+), 0 deletions(-) diff --git a/Documentation/DocBook/media/v4l/controls.xml b/Documentation/DocBook/media/v4l/controls.xml index f704218..06f16e7 100644 --- a/Documentation/DocBook/media/v4l/controls.xml +++ b/Documentation/DocBook/media/v4l/controls.xml @@ -4313,6 +4313,58 @@ interface and may change in the future./para /tbody /entrytbl /row + row +entry spanname=idconstantV4L2_CID_TEST_PATTERN/constant/entry +entrymenu/entry + /row + row id=v4l2-test-pattern +entry spanname=descr The capture devices/sensors have the capability to +generate internal test patterns. This test patterns are used to test a device +is properly working and can generate the desired waveforms that it supports. +/entry + /row + row +entrytbl spanname=descr cols=2 + tbody valign=top +row + entryconstantV4L2_TEST_PATTERN_DISABLED/constant/entry + entryTest pattern generation is disabled/entry +/row +row + entryconstantV4L2_TEST_PATTERN_VERTICAL_LINES/constant/entry + entryGenerate vertical lines as test pattern/entry +/row +row + entryconstantV4L2_TEST_PATTERN_HORIZONTAL_LINES/constant/entry + entryGenerate horizontal lines as test pattern/entry +/row +row + entryconstantV4L2_TEST_PATTERN_DIAGONAL_LINES/constant/entry + entryGenerate diagonal lines as test pattern/entry +/row +row + entryconstantV4L2_TEST_PATTERN_SOLID_BLACK/constant/entry + entryGenerate solid black color as test pattern/entry +/row +row + entryconstantV4L2_TEST_PATTERN_SOLID_WHITE/constant/entry + entryGenerate solid white color as test pattern/entry +/row +row + entryconstantV4L2_TEST_PATTERN_SOLID_BLUE/constant/entry + entryGenerate solid blue color as test pattern/entry +/row +row + entryconstantV4L2_TEST_PATTERN_SOLID_RED/constant/entry + entryGenerate solid red color as test pattern/entry +/row +row + entryconstantV4L2_TEST_PATTERN_CHECKER_BOARD/constant/entry + entryGenerate a checker board as test pattern/entry +/row You're defining 8 different test patterns based on a single device, I guess? No. As the test patterns are not standardised, I'd suppose that if another driver implements the same control, it would require another n menu items added to the same standard menu. That way we'd run quickly out of menu items as the maximum is 32. Agreed the test patterns are not standardized and are hardware dependent, but this entries which have been added are generally common across capture/display/sensors. For this reason I'd leave the items in the menu up to the driver that implements the control, until we have more information on the test patterns different devices implement --- as discussed earlier. Assuming that I only added disable test pattern and if a driver wants to implement this control and wants add an item to this menu, on what basis an entry to this menu will be qualified then ? Thanks and Regards, --Prabhakar Lad Kind regards, -- To unsubscribe from this list: send the line unsubscribe linux-media in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html