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[media] saa7134-input: key up events not sent after suspend/resume

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On my AverMedia AverTV Studio 507, key up events are no longer sent after
a suspend-to-disk/resume cycle, resulting in "stuck" keys.

Apparently, for key up events to be generated, a certain GPIO pin must be set.
Currently it's set in saa7134_input_init1(), but that function is not called
on device resume. I suggest that code be moved to __saa7134_ir_start(), which
is called both on init and resume.

Signed-off-by: Vadim Solomin <vadic052@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Vadim Solomin 2011-03-06 13:00:38 -03:00 committed by Mauro Carvalho Chehab
parent bc4b18c6f5
commit 8c1476ffc0
1 changed files with 39 additions and 10 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

49
drivers/media/video/saa7134/saa7134-input.c
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@ -414,6 +414,41 @@ static int __saa7134_ir_start(void *priv)
if (ir->running)
return 0;
/* Moved here from saa7134_input_init1() because the latter
* is not called on device resume */
switch (dev->board) {
case SAA7134_BOARD_MD2819:
case SAA7134_BOARD_KWORLD_VSTREAM_XPERT:
case SAA7134_BOARD_AVERMEDIA_305:
case SAA7134_BOARD_AVERMEDIA_307:
case SAA7134_BOARD_AVERMEDIA_STUDIO_305:
case SAA7134_BOARD_AVERMEDIA_STUDIO_505:
case SAA7134_BOARD_AVERMEDIA_STUDIO_307:
case SAA7134_BOARD_AVERMEDIA_STUDIO_507:
case SAA7134_BOARD_AVERMEDIA_STUDIO_507UA:
case SAA7134_BOARD_AVERMEDIA_GO_007_FM:
case SAA7134_BOARD_AVERMEDIA_M102:
case SAA7134_BOARD_AVERMEDIA_GO_007_FM_PLUS:
/* Without this we won't receive key up events */
saa_setb(SAA7134_GPIO_GPMODE0, 0x4);
saa_setb(SAA7134_GPIO_GPSTATUS0, 0x4);
break;
case SAA7134_BOARD_AVERMEDIA_777:
case SAA7134_BOARD_AVERMEDIA_A16AR:
/* Without this we won't receive key up events */
saa_setb(SAA7134_GPIO_GPMODE1, 0x1);
saa_setb(SAA7134_GPIO_GPSTATUS1, 0x1);
break;
case SAA7134_BOARD_AVERMEDIA_A16D:
/* Without this we won't receive key up events */
saa_setb(SAA7134_GPIO_GPMODE1, 0x1);
saa_setb(SAA7134_GPIO_GPSTATUS1, 0x1);
break;
case SAA7134_BOARD_GOTVIEW_7135:
saa_setb(SAA7134_GPIO_GPMODE1, 0x80);
break;
}
ir->running = true;
ir->active = false;
@ -548,9 +583,7 @@ int saa7134_input_init1(struct saa7134_dev *dev)
mask_keycode = 0x0007C8;
mask_keydown = 0x000010;
polling = 50; // ms
/* Set GPIO pin2 to high to enable the IR controller */
saa_setb(SAA7134_GPIO_GPMODE0, 0x4);
saa_setb(SAA7134_GPIO_GPSTATUS0, 0x4);
/* GPIO stuff moved to __saa7134_ir_start() */
break;
case SAA7134_BOARD_AVERMEDIA_M135A:
ir_codes = RC_MAP_AVERMEDIA_M135A;
@ -572,18 +605,14 @@ int saa7134_input_init1(struct saa7134_dev *dev)
mask_keycode = 0x02F200;
mask_keydown = 0x000400;
polling = 50; // ms
/* Without this we won't receive key up events */
saa_setb(SAA7134_GPIO_GPMODE1, 0x1);
saa_setb(SAA7134_GPIO_GPSTATUS1, 0x1);
/* GPIO stuff moved to __saa7134_ir_start() */
break;
case SAA7134_BOARD_AVERMEDIA_A16D:
ir_codes = RC_MAP_AVERMEDIA_A16D;
mask_keycode = 0x02F200;
mask_keydown = 0x000400;
polling = 50; /* ms */
/* Without this we won't receive key up events */
saa_setb(SAA7134_GPIO_GPMODE1, 0x1);
saa_setb(SAA7134_GPIO_GPSTATUS1, 0x1);
/* GPIO stuff moved to __saa7134_ir_start() */
break;
case SAA7134_BOARD_KWORLD_TERMINATOR:
ir_codes = RC_MAP_PIXELVIEW;
@ -635,7 +664,7 @@ int saa7134_input_init1(struct saa7134_dev *dev)
mask_keycode = 0x0003CC;
mask_keydown = 0x000010;
polling = 5; /* ms */
saa_setb(SAA7134_GPIO_GPMODE1, 0x80);
/* GPIO stuff moved to __saa7134_ir_start() */
break;
case SAA7134_BOARD_VIDEOMATE_TV_PVR:
case SAA7134_BOARD_VIDEOMATE_GOLD_PLUS: