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Diffstat (limited to 'drivers/media/video/em28xx/em28xx-input.c')
-rw-r--r--drivers/media/video/em28xx/em28xx-input.c80
1 files changed, 22 insertions, 58 deletions
diff --git a/drivers/media/video/em28xx/em28xx-input.c b/drivers/media/video/em28xx/em28xx-input.c
index 5c3fd9411b1f..6759cd5570dd 100644
--- a/drivers/media/video/em28xx/em28xx-input.c
+++ b/drivers/media/video/em28xx/em28xx-input.c
@@ -65,17 +65,14 @@ struct em28xx_ir_poll_result {
struct em28xx_IR {
struct em28xx *dev;
struct input_dev *input;
- struct ir_input_state ir;
char name[32];
char phys[32];
/* poll external decoder */
int polling;
struct delayed_work work;
- unsigned int last_toggle:1;
unsigned int full_code:1;
unsigned int last_readcount;
- unsigned int repeat_interval;
int (*get_key)(struct em28xx_IR *, struct em28xx_ir_poll_result *);
@@ -291,67 +288,39 @@ static int em2874_polling_getkey(struct em28xx_IR *ir,
static void em28xx_ir_handle_key(struct em28xx_IR *ir)
{
int result;
- int do_sendkey = 0;
struct em28xx_ir_poll_result poll_result;
/* read the registers containing the IR status */
result = ir->get_key(ir, &poll_result);
- if (result < 0) {
+ if (unlikely(result < 0)) {
dprintk("ir->get_key() failed %d\n", result);
return;
}
- dprintk("ir->get_key result tb=%02x rc=%02x lr=%02x data=%02x%02x\n",
- poll_result.toggle_bit, poll_result.read_count,
- ir->last_readcount, poll_result.rc_address,
- poll_result.rc_data[0]);
-
- if (ir->dev->chip_id == CHIP_ID_EM2874) {
- /* The em2874 clears the readcount field every time the
- register is read. The em2860/2880 datasheet says that it
- is supposed to clear the readcount, but it doesn't. So with
- the em2874, we are looking for a non-zero read count as
- opposed to a readcount that is incrementing */
- ir->last_readcount = 0;
- }
-
- if (poll_result.read_count == 0) {
- /* The button has not been pressed since the last read */
- } else if (ir->last_toggle != poll_result.toggle_bit) {
- /* A button has been pressed */
- dprintk("button has been pressed\n");
- ir->last_toggle = poll_result.toggle_bit;
- ir->repeat_interval = 0;
- do_sendkey = 1;
- } else if (poll_result.toggle_bit == ir->last_toggle &&
- poll_result.read_count > 0 &&
- poll_result.read_count != ir->last_readcount) {
- /* The button is still being held down */
- dprintk("button being held down\n");
-
- /* Debouncer for first keypress */
- if (ir->repeat_interval++ > 9) {
- /* Start repeating after 1 second */
- do_sendkey = 1;
- }
- }
-
- if (do_sendkey) {
- dprintk("sending keypress\n");
-
+ if (unlikely(poll_result.read_count != ir->last_readcount)) {
+ dprintk("%s: toggle: %d, count: %d, key 0x%02x%02x\n", __func__,
+ poll_result.toggle_bit, poll_result.read_count,
+ poll_result.rc_address, poll_result.rc_data[0]);
if (ir->full_code)
- ir_input_keydown(ir->input, &ir->ir,
- poll_result.rc_address << 8 |
- poll_result.rc_data[0]);
+ ir_keydown(ir->input,
+ poll_result.rc_address << 8 |
+ poll_result.rc_data[0],
+ poll_result.toggle_bit);
else
- ir_input_keydown(ir->input, &ir->ir,
- poll_result.rc_data[0]);
-
- ir_input_nokey(ir->input, &ir->ir);
+ ir_keydown(ir->input,
+ poll_result.rc_data[0],
+ poll_result.toggle_bit);
+
+ if (ir->dev->chip_id == CHIP_ID_EM2874)
+ /* The em2874 clears the readcount field every time the
+ register is read. The em2860/2880 datasheet says that it
+ is supposed to clear the readcount, but it doesn't. So with
+ the em2874, we are looking for a non-zero read count as
+ opposed to a readcount that is incrementing */
+ ir->last_readcount = 0;
+ else
+ ir->last_readcount = poll_result.read_count;
}
-
- ir->last_readcount = poll_result.read_count;
- return;
}
static void em28xx_ir_work(struct work_struct *work)
@@ -466,11 +435,6 @@ 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 */
- err = ir_input_init(input_dev, &ir->ir, IR_TYPE_OTHER);
- if (err < 0)
- goto err_out_free;
-
input_dev->name = ir->name;
input_dev->phys = ir->phys;
input_dev->id.bustype = BUS_USB;