From 8c1476ffc0b820f6ca8cc0b3f50c8a0f57e8d82d Mon Sep 17 00:00:00 2001 From: Vadim Solomin Date: Sun, 6 Mar 2011 13:00:38 -0300 Subject: [PATCH] [media] saa7134-input: key up events not sent after suspend/resume 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 Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/saa7134/saa7134-input.c | 49 ++++++++++++++++----- 1 file changed, 39 insertions(+), 10 deletions(-) diff --git a/drivers/media/video/saa7134/saa7134-input.c b/drivers/media/video/saa7134/saa7134-input.c index c9eff0336aa..790d66703fe 100644 --- a/drivers/media/video/saa7134/saa7134-input.c +++ b/drivers/media/video/saa7134/saa7134-input.c @@ -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: -- 2.43.2