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path: root/drivers/media/video/ir-kbd-i2c.c
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Diffstat (limited to 'drivers/media/video/ir-kbd-i2c.c')
-rw-r--r--drivers/media/video/ir-kbd-i2c.c25
1 files changed, 23 insertions, 2 deletions
diff --git a/drivers/media/video/ir-kbd-i2c.c b/drivers/media/video/ir-kbd-i2c.c
index c87b6bc45555..a221ad68b330 100644
--- a/drivers/media/video/ir-kbd-i2c.c
+++ b/drivers/media/video/ir-kbd-i2c.c
@@ -128,6 +128,19 @@ static int get_key_haup(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw)
static int get_key_haup_xvr(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw)
{
+ int ret;
+ unsigned char buf[1] = { 0 };
+
+ /*
+ * This is the same apparent "are you ready?" poll command observed
+ * watching Windows driver traffic and implemented in lirc_zilog. With
+ * this added, we get far saner remote behavior with z8 chips on usb
+ * connected devices, even with the default polling interval of 100ms.
+ */
+ ret = i2c_master_send(ir->c, buf, 1);
+ if (ret != 1)
+ return (ret < 0) ? ret : -EINVAL;
+
return get_key_haup_common (ir, ir_key, ir_raw, 6, 3);
}
@@ -244,15 +257,17 @@ static void ir_key_poll(struct IR_i2c *ir)
static u32 ir_key, ir_raw;
int rc;
- dprintk(2,"ir_poll_key\n");
+ dprintk(3, "%s\n", __func__);
rc = ir->get_key(ir, &ir_key, &ir_raw);
if (rc < 0) {
dprintk(2,"error\n");
return;
}
- if (rc)
+ if (rc) {
+ dprintk(1, "%s: keycode = 0x%04x\n", __func__, ir_key);
rc_keydown(ir->rc, ir_key, 0);
+ }
}
static void ir_work(struct work_struct *work)
@@ -321,6 +336,12 @@ static int ir_probe(struct i2c_client *client, const struct i2c_device_id *id)
rc_type = RC_TYPE_OTHER;
ir_codes = RC_MAP_AVERMEDIA_CARDBUS;
break;
+ case 0x71:
+ name = "Hauppauge/Zilog Z8";
+ ir->get_key = get_key_haup_xvr;
+ rc_type = RC_TYPE_RC5;
+ ir_codes = hauppauge ? RC_MAP_HAUPPAUGE_NEW : RC_MAP_RC5_TV;
+ break;
}
/* Let the caller override settings */