diff options
Diffstat (limited to 'drivers/media/video/ir-kbd-i2c.c')
-rw-r--r-- | drivers/media/video/ir-kbd-i2c.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/media/video/ir-kbd-i2c.c b/drivers/media/video/ir-kbd-i2c.c index d2b20ad383a3..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) | |||
128 | 128 | ||
129 | static int get_key_haup_xvr(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw) | 129 | static int get_key_haup_xvr(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw) |
130 | { | 130 | { |
131 | int ret; | ||
132 | unsigned char buf[1] = { 0 }; | ||
133 | |||
134 | /* | ||
135 | * This is the same apparent "are you ready?" poll command observed | ||
136 | * watching Windows driver traffic and implemented in lirc_zilog. With | ||
137 | * this added, we get far saner remote behavior with z8 chips on usb | ||
138 | * connected devices, even with the default polling interval of 100ms. | ||
139 | */ | ||
140 | ret = i2c_master_send(ir->c, buf, 1); | ||
141 | if (ret != 1) | ||
142 | return (ret < 0) ? ret : -EINVAL; | ||
143 | |||
131 | return get_key_haup_common (ir, ir_key, ir_raw, 6, 3); | 144 | return get_key_haup_common (ir, ir_key, ir_raw, 6, 3); |
132 | } | 145 | } |
133 | 146 | ||