diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2010-02-26 17:16:20 -0800 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-02-26 17:16:20 -0800 |
commit | 2b8c70b2174402ca3dec13310ce56597233392d7 (patch) | |
tree | 0aed464521a2a671cbb7b4302b55fe72abc95d3d /drivers/media/video/em28xx/em28xx-input.c | |
parent | 29e1fa3565a7951cc415c634eb2b78dbdbee151d (diff) | |
parent | 3621263a4d9679726b7bc1e2546c1c03941a59b4 (diff) |
Merge branch 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6
* 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6: (362 commits)
V4L-DVB: cx88-dvb: remove extra attribution for core
V4L/DVB: v4l: soc_camera: fix bound checking of mbus_fmt[] index
V4L/DVB: Add support for SMT7020 to cx88
V4L/DVB: radio-si470x: Use UTF-8 encoding on a comment
V4L/DVB: MAINTAINERS: Telegent tlg2300 section fix
V4L/DVB: gspca_stv06xx: Add support for camera button
V4L/DVB: gspca_ov519: add support for the button on ov511 based cams
V4L/DVB: gspca_ov519: Add support for the button on ov518 based cams
V4L/DVB: gspca_ov519: add support for the button on ov519 based cams
V4L/DVB: gspca_main: Fix a compile error when CONFIG_INPUT is not set
V4L/DVB: gspca_main: some input error handling fixes
V4L/DVB: gspca_main: Allow use of input device creation code for non int. inputs
V4L/DVB: gspca_pac7302: much improved exposure control
V4L/DVB: gspca_sonixb: Make sonixb driver handle pas106 and pas202 cameras
V4L/DVB: gspca_sonixb: pas106: fixup bright ctrl and add gain and exposure ctrls
V4L/DVB: Documentation: gspca.txt: update known mr97310a cams
V4L/DVB: gspca_mr97310a: add support for the Sakar 1638x CyberPix
V4L/DVB: gscpa_sonixb: limit ov7630 max framerate at 640x480
V4L/DVB: gspca_sonixb: pas202: fixup brightness ctrl and add gain and exposure ctrls
V4L/DVB: gscpa_sonixb: Differentiate between sensors with a coarse and fine expo ctrl
...
Diffstat (limited to 'drivers/media/video/em28xx/em28xx-input.c')
-rw-r--r-- | drivers/media/video/em28xx/em28xx-input.c | 113 |
1 files changed, 87 insertions, 26 deletions
diff --git a/drivers/media/video/em28xx/em28xx-input.c b/drivers/media/video/em28xx/em28xx-input.c index af0d935c29be..1fb754e20875 100644 --- a/drivers/media/video/em28xx/em28xx-input.c +++ b/drivers/media/video/em28xx/em28xx-input.c @@ -75,6 +75,10 @@ struct em28xx_IR { unsigned int repeat_interval; int (*get_key)(struct em28xx_IR *, struct em28xx_ir_poll_result *); + + /* IR device properties */ + + struct ir_dev_props props; }; /********************************************************** @@ -180,6 +184,36 @@ int em28xx_get_key_pinnacle_usb_grey(struct IR_i2c *ir, u32 *ir_key, return 1; } +int em28xx_get_key_winfast_usbii_deluxe(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw) +{ + unsigned char subaddr, keydetect, key; + + struct i2c_msg msg[] = { { .addr = ir->c->addr, .flags = 0, .buf = &subaddr, .len = 1}, + + { .addr = ir->c->addr, .flags = I2C_M_RD, .buf = &keydetect, .len = 1} }; + + subaddr = 0x10; + if (2 != i2c_transfer(ir->c->adapter, msg, 2)) { + i2cdprintk("read error\n"); + return -EIO; + } + if (keydetect == 0x00) + return 0; + + subaddr = 0x00; + msg[1].buf = &key; + if (2 != i2c_transfer(ir->c->adapter, msg, 2)) { + i2cdprintk("read error\n"); + return -EIO; + } + if (key == 0x00) + return 0; + + *ir_key = key; + *ir_raw = key; + return 1; +} + /********************************************************** Poll based get keycode functions **********************************************************/ @@ -336,35 +370,28 @@ static void em28xx_ir_stop(struct em28xx_IR *ir) cancel_delayed_work_sync(&ir->work); } -int em28xx_ir_init(struct em28xx *dev) +int em28xx_ir_change_protocol(void *priv, u64 ir_type) { - struct em28xx_IR *ir; - struct input_dev *input_dev; - u8 ir_config; - int err = -ENOMEM; - - if (dev->board.ir_codes == NULL) { - /* No remote control support */ - return 0; - } - - ir = kzalloc(sizeof(*ir), GFP_KERNEL); - input_dev = input_allocate_device(); - if (!ir || !input_dev) - goto err_out_free; - - ir->input = input_dev; - ir_config = EM2874_IR_RC5; + int rc = 0; + struct em28xx_IR *ir = priv; + struct em28xx *dev = ir->dev; + u8 ir_config = EM2874_IR_RC5; /* Adjust xclk based o IR table for RC5/NEC tables */ - if (dev->board.ir_codes->ir_type == IR_TYPE_RC5) { + + dev->board.ir_codes->ir_type = IR_TYPE_OTHER; + if (ir_type == IR_TYPE_RC5) { dev->board.xclk |= EM28XX_XCLK_IR_RC5_MODE; ir->full_code = 1; - } else if (dev->board.ir_codes->ir_type == IR_TYPE_NEC) { + } else if (ir_type == IR_TYPE_NEC) { dev->board.xclk &= ~EM28XX_XCLK_IR_RC5_MODE; ir_config = EM2874_IR_NEC; ir->full_code = 1; - } + } else + rc = -EINVAL; + + dev->board.ir_codes->ir_type = ir_type; + em28xx_write_reg_bits(dev, EM28XX_R0F_XCLK, dev->board.xclk, EM28XX_XCLK_IR_RC5_MODE); @@ -380,9 +407,42 @@ int em28xx_ir_init(struct em28xx *dev) break; default: printk("Unrecognized em28xx chip id: IR not supported\n"); - goto err_out_free; + rc = -EINVAL; + } + + return rc; +} + +int em28xx_ir_init(struct em28xx *dev) +{ + struct em28xx_IR *ir; + struct input_dev *input_dev; + int err = -ENOMEM; + + if (dev->board.ir_codes == NULL) { + /* No remote control support */ + return 0; } + ir = kzalloc(sizeof(*ir), GFP_KERNEL); + input_dev = input_allocate_device(); + if (!ir || !input_dev) + goto err_out_free; + + /* record handles to ourself */ + ir->dev = dev; + dev->ir = ir; + + ir->input = input_dev; + + /* + * em2874 supports more protocols. For now, let's just announce + * the two protocols that were already tested + */ + ir->props.allowed_protos = IR_TYPE_RC5 | IR_TYPE_NEC; + ir->props.priv = ir; + ir->props.change_protocol = em28xx_ir_change_protocol; + /* This is how often we ask the chip for IR information */ ir->polling = 100; /* ms */ @@ -393,6 +453,8 @@ int em28xx_ir_init(struct em28xx *dev) usb_make_path(dev->udev, ir->phys, sizeof(ir->phys)); strlcat(ir->phys, "/input0", sizeof(ir->phys)); + /* Set IR protocol */ + em28xx_ir_change_protocol(ir, dev->board.ir_codes->ir_type); err = ir_input_init(input_dev, &ir->ir, IR_TYPE_OTHER); if (err < 0) goto err_out_free; @@ -405,14 +467,13 @@ int em28xx_ir_init(struct em28xx *dev) input_dev->id.product = le16_to_cpu(dev->udev->descriptor.idProduct); input_dev->dev.parent = &dev->udev->dev; - /* record handles to ourself */ - ir->dev = dev; - dev->ir = ir; + em28xx_ir_start(ir); /* all done */ - err = ir_input_register(ir->input, dev->board.ir_codes); + err = ir_input_register(ir->input, dev->board.ir_codes, + &ir->props); if (err) goto err_out_stop; |