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path: root/drivers/media/video/em28xx/em28xx-input.c
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Diffstat (limited to 'drivers/media/video/em28xx/em28xx-input.c')
-rw-r--r--drivers/media/video/em28xx/em28xx-input.c29
1 files changed, 19 insertions, 10 deletions
diff --git a/drivers/media/video/em28xx/em28xx-input.c b/drivers/media/video/em28xx/em28xx-input.c
index 20a0001e8885..5c3fd9411b1f 100644
--- a/drivers/media/video/em28xx/em28xx-input.c
+++ b/drivers/media/video/em28xx/em28xx-input.c
@@ -39,6 +39,8 @@ static unsigned int ir_debug;
module_param(ir_debug, int, 0644);
MODULE_PARM_DESC(ir_debug, "enable debug messages [IR]");
+#define MODULE_NAME "em28xx"
+
#define i2cdprintk(fmt, arg...) \
if (ir_debug) { \
printk(KERN_DEBUG "%s/ir: " fmt, ir->name , ## arg); \
@@ -360,14 +362,20 @@ static void em28xx_ir_work(struct work_struct *work)
schedule_delayed_work(&ir->work, msecs_to_jiffies(ir->polling));
}
-static void em28xx_ir_start(struct em28xx_IR *ir)
+static int em28xx_ir_start(void *priv)
{
+ struct em28xx_IR *ir = priv;
+
INIT_DELAYED_WORK(&ir->work, em28xx_ir_work);
schedule_delayed_work(&ir->work, 0);
+
+ return 0;
}
-static void em28xx_ir_stop(struct em28xx_IR *ir)
+static void em28xx_ir_stop(void *priv)
{
+ struct em28xx_IR *ir = priv;
+
cancel_delayed_work_sync(&ir->work);
}
@@ -380,7 +388,6 @@ int em28xx_ir_change_protocol(void *priv, u64 ir_type)
/* Adjust xclk based o IR table for RC5/NEC tables */
- 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;
@@ -388,11 +395,9 @@ int em28xx_ir_change_protocol(void *priv, u64 ir_type)
dev->board.xclk &= ~EM28XX_XCLK_IR_RC5_MODE;
ir_config = EM2874_IR_NEC;
ir->full_code = 1;
- } else
+ } else if (ir_type != IR_TYPE_UNKNOWN)
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);
@@ -443,6 +448,13 @@ int em28xx_ir_init(struct em28xx *dev)
ir->props.allowed_protos = IR_TYPE_RC5 | IR_TYPE_NEC;
ir->props.priv = ir;
ir->props.change_protocol = em28xx_ir_change_protocol;
+ ir->props.open = em28xx_ir_start;
+ ir->props.close = em28xx_ir_stop;
+
+ /* By default, keep protocol field untouched */
+ err = em28xx_ir_change_protocol(ir, IR_TYPE_UNKNOWN);
+ if (err)
+ goto err_out_free;
/* This is how often we ask the chip for IR information */
ir->polling = 100; /* ms */
@@ -455,7 +467,6 @@ int em28xx_ir_init(struct em28xx *dev)
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;
@@ -470,17 +481,15 @@ int em28xx_ir_init(struct em28xx *dev)
input_dev->dev.parent = &dev->udev->dev;
- em28xx_ir_start(ir);
/* all done */
err = ir_input_register(ir->input, dev->board.ir_codes,
- &ir->props);
+ &ir->props, MODULE_NAME);
if (err)
goto err_out_stop;
return 0;
err_out_stop:
- em28xx_ir_stop(ir);
dev->ir = NULL;
err_out_free:
kfree(ir);