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path: root/drivers/media/IR/ir-sony-decoder.c
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Diffstat (limited to 'drivers/media/IR/ir-sony-decoder.c')
-rw-r--r--drivers/media/IR/ir-sony-decoder.c94
1 files changed, 10 insertions, 84 deletions
diff --git a/drivers/media/IR/ir-sony-decoder.c b/drivers/media/IR/ir-sony-decoder.c
index e15db3334998..b9074f07c7a0 100644
--- a/drivers/media/IR/ir-sony-decoder.c
+++ b/drivers/media/IR/ir-sony-decoder.c
@@ -23,10 +23,6 @@
#define SONY_BIT_SPACE (1 * SONY_UNIT)
#define SONY_TRAILER_SPACE (10 * SONY_UNIT) /* minimum */
-/* Used to register sony_decoder clients */
-static LIST_HEAD(decoder_list);
-static DEFINE_SPINLOCK(decoder_lock);
-
enum sony_state {
STATE_INACTIVE,
STATE_HEADER_SPACE,
@@ -35,36 +31,6 @@ enum sony_state {
STATE_FINISHED,
};
-struct decoder_data {
- struct list_head list;
- struct ir_input_dev *ir_dev;
-
- /* State machine control */
- enum sony_state state;
- u32 sony_bits;
- unsigned count;
-};
-
-
-/**
- * get_decoder_data() - gets decoder data
- * @input_dev: input device
- *
- * Returns the struct decoder_data that corresponds to a device
- */
-static struct decoder_data *get_decoder_data(struct ir_input_dev *ir_dev)
-{
- struct decoder_data *data = NULL;
-
- spin_lock(&decoder_lock);
- list_for_each_entry(data, &decoder_list, list) {
- if (data->ir_dev == ir_dev)
- break;
- }
- spin_unlock(&decoder_lock);
- return data;
-}
-
/**
* ir_sony_decode() - Decode one Sony pulse or space
* @input_dev: the struct input_dev descriptor of the device
@@ -74,15 +40,11 @@ static struct decoder_data *get_decoder_data(struct ir_input_dev *ir_dev)
*/
static int ir_sony_decode(struct input_dev *input_dev, struct ir_raw_event ev)
{
- struct decoder_data *data;
struct ir_input_dev *ir_dev = input_get_drvdata(input_dev);
+ struct sony_dec *data = &ir_dev->raw->sony;
u32 scancode;
u8 device, subdevice, function;
- data = get_decoder_data(ir_dev);
- if (!data)
- return -EINVAL;
-
if (!(ir_dev->raw->enabled_protocols & IR_TYPE_SONY))
return 0;
@@ -124,9 +86,9 @@ static int ir_sony_decode(struct input_dev *input_dev, struct ir_raw_event ev)
if (!ev.pulse)
break;
- data->sony_bits <<= 1;
+ data->bits <<= 1;
if (eq_margin(ev.duration, SONY_BIT_1_PULSE, SONY_UNIT / 2))
- data->sony_bits |= 1;
+ data->bits |= 1;
else if (!eq_margin(ev.duration, SONY_BIT_0_PULSE, SONY_UNIT / 2))
break;
@@ -160,19 +122,19 @@ static int ir_sony_decode(struct input_dev *input_dev, struct ir_raw_event ev)
switch (data->count) {
case 12:
- device = bitrev8((data->sony_bits << 3) & 0xF8);
+ device = bitrev8((data->bits << 3) & 0xF8);
subdevice = 0;
- function = bitrev8((data->sony_bits >> 4) & 0xFE);
+ function = bitrev8((data->bits >> 4) & 0xFE);
break;
case 15:
- device = bitrev8((data->sony_bits >> 0) & 0xFF);
+ device = bitrev8((data->bits >> 0) & 0xFF);
subdevice = 0;
- function = bitrev8((data->sony_bits >> 7) & 0xFD);
+ function = bitrev8((data->bits >> 7) & 0xFD);
break;
case 20:
- device = bitrev8((data->sony_bits >> 5) & 0xF8);
- subdevice = bitrev8((data->sony_bits >> 0) & 0xFF);
- function = bitrev8((data->sony_bits >> 12) & 0xFE);
+ device = bitrev8((data->bits >> 5) & 0xF8);
+ subdevice = bitrev8((data->bits >> 0) & 0xFF);
+ function = bitrev8((data->bits >> 12) & 0xFE);
break;
default:
IR_dprintk(1, "Sony invalid bitcount %u\n", data->count);
@@ -193,45 +155,9 @@ out:
return -EINVAL;
}
-static int ir_sony_register(struct input_dev *input_dev)
-{
- struct ir_input_dev *ir_dev = input_get_drvdata(input_dev);
- struct decoder_data *data;
-
- data = kzalloc(sizeof(*data), GFP_KERNEL);
- if (!data)
- return -ENOMEM;
-
- data->ir_dev = ir_dev;
-
- spin_lock(&decoder_lock);
- list_add_tail(&data->list, &decoder_list);
- spin_unlock(&decoder_lock);
-
- return 0;
-}
-
-static int ir_sony_unregister(struct input_dev *input_dev)
-{
- struct ir_input_dev *ir_dev = input_get_drvdata(input_dev);
- static struct decoder_data *data;
-
- data = get_decoder_data(ir_dev);
- if (!data)
- return 0;
-
- spin_lock(&decoder_lock);
- list_del(&data->list);
- spin_unlock(&decoder_lock);
-
- return 0;
-}
-
static struct ir_raw_handler sony_handler = {
.protocols = IR_TYPE_SONY,
.decode = ir_sony_decode,
- .raw_register = ir_sony_register,
- .raw_unregister = ir_sony_unregister,
};
static int __init ir_sony_decode_init(void)