diff options
| author | Daniel Vetter <daniel.vetter@ffwll.ch> | 2013-03-19 09:47:30 +0100 |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2013-03-19 09:47:30 +0100 |
| commit | 0d4a42f6bd298e826620585e766a154ab460617a (patch) | |
| tree | 406d8f7778691d858dbe3e48e4bbb10e99c0a58a /drivers/media/rc/iguanair.c | |
| parent | d62b4892f3d9f7dd2002e5309be10719d6805b0f (diff) | |
| parent | a937536b868b8369b98967929045f1df54234323 (diff) | |
Merge tag 'v3.9-rc3' into drm-intel-next-queued
Backmerge so that I can merge Imre Deak's coalesced sg entries fixes,
which depend upon the new for_each_sg_page introduce in
commit a321e91b6d73ed011ffceed384c40d2785cf723b
Author: Imre Deak <imre.deak@intel.com>
Date: Wed Feb 27 17:02:56 2013 -0800
lib/scatterlist: add simple page iterator
The merge itself is just two trivial conflicts:
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'drivers/media/rc/iguanair.c')
| -rw-r--r-- | drivers/media/rc/iguanair.c | 26 |
1 files changed, 16 insertions, 10 deletions
diff --git a/drivers/media/rc/iguanair.c b/drivers/media/rc/iguanair.c index b99b096d8a8f..a4ab2e6b3f82 100644 --- a/drivers/media/rc/iguanair.c +++ b/drivers/media/rc/iguanair.c @@ -58,6 +58,7 @@ struct iguanair { char phys[64]; }; +#define CMD_NOP 0x00 #define CMD_GET_VERSION 0x01 #define CMD_GET_BUFSIZE 0x11 #define CMD_GET_FEATURES 0x10 @@ -196,6 +197,10 @@ static void iguanair_irq_out(struct urb *urb) if (urb->status) dev_dbg(ir->dev, "Error: out urb status = %d\n", urb->status); + + /* if we sent an nop packet, do not expect a response */ + if (urb->status == 0 && ir->packet->header.cmd == CMD_NOP) + complete(&ir->completion); } static int iguanair_send(struct iguanair *ir, unsigned size) @@ -219,10 +224,17 @@ static int iguanair_get_features(struct iguanair *ir) { int rc; + /* + * On cold boot, the iguanair initializes on the first packet + * received but does not process that packet. Send an empty + * packet. + */ ir->packet->header.start = 0; ir->packet->header.direction = DIR_OUT; - ir->packet->header.cmd = CMD_GET_VERSION; + ir->packet->header.cmd = CMD_NOP; + iguanair_send(ir, sizeof(ir->packet->header)); + ir->packet->header.cmd = CMD_GET_VERSION; rc = iguanair_send(ir, sizeof(ir->packet->header)); if (rc) { dev_info(ir->dev, "failed to get version\n"); @@ -255,19 +267,14 @@ static int iguanair_get_features(struct iguanair *ir) ir->packet->header.cmd = CMD_GET_FEATURES; rc = iguanair_send(ir, sizeof(ir->packet->header)); - if (rc) { + if (rc) dev_info(ir->dev, "failed to get features\n"); - goto out; - } - out: return rc; } static int iguanair_receiver(struct iguanair *ir, bool enable) { - int rc; - ir->packet->header.start = 0; ir->packet->header.direction = DIR_OUT; ir->packet->header.cmd = enable ? CMD_RECEIVER_ON : CMD_RECEIVER_OFF; @@ -275,9 +282,7 @@ static int iguanair_receiver(struct iguanair *ir, bool enable) if (enable) ir_raw_event_reset(ir->rc); - rc = iguanair_send(ir, sizeof(ir->packet->header)); - - return rc; + return iguanair_send(ir, sizeof(ir->packet->header)); } /* @@ -512,6 +517,7 @@ static int iguanair_probe(struct usb_interface *intf, rc->rx_resolution = RX_RESOLUTION; iguanair_set_tx_carrier(rc, 38000); + iguanair_set_tx_mask(rc, 0); ret = rc_register_device(rc); if (ret < 0) { |