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author | Jakub Kicinski <kuba@kernel.org> | 2021-09-30 14:49:21 -0700 |
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committer | Jakub Kicinski <kuba@kernel.org> | 2021-09-30 14:49:21 -0700 |
commit | dd9a887b35b01d7027f974f5e7936f1410ab51ca (patch) | |
tree | 4a827b3e88fd896de1408c26ebebc2535b14750a /drivers/media/rc/ir_toy.c | |
parent | Merge branch 'snmp-optimizations' (diff) | |
parent | Merge tag 'net-5.15-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net (diff) | |
download | linux-dev-dd9a887b35b01d7027f974f5e7936f1410ab51ca.tar.xz linux-dev-dd9a887b35b01d7027f974f5e7936f1410ab51ca.zip |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
drivers/net/phy/bcm7xxx.c
d88fd1b546ff ("net: phy: bcm7xxx: Fixed indirect MMD operations")
f68d08c437f9 ("net: phy: bcm7xxx: Add EPHY entry for 72165")
net/sched/sch_api.c
b193e15ac69d ("net: prevent user from passing illegal stab size")
69508d43334e ("net_sched: Use struct_size() and flex_array_size() helpers")
Both cases trivial - adjacent code additions.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'drivers/media/rc/ir_toy.c')
-rw-r--r-- | drivers/media/rc/ir_toy.c | 21 |
1 files changed, 20 insertions, 1 deletions
diff --git a/drivers/media/rc/ir_toy.c b/drivers/media/rc/ir_toy.c index 3e729a17b35f..48d52baec1a1 100644 --- a/drivers/media/rc/ir_toy.c +++ b/drivers/media/rc/ir_toy.c @@ -24,6 +24,7 @@ static const u8 COMMAND_VERSION[] = { 'v' }; // End transmit and repeat reset command so we exit sump mode static const u8 COMMAND_RESET[] = { 0xff, 0xff, 0, 0, 0, 0, 0 }; static const u8 COMMAND_SMODE_ENTER[] = { 's' }; +static const u8 COMMAND_SMODE_EXIT[] = { 0 }; static const u8 COMMAND_TXSTART[] = { 0x26, 0x24, 0x25, 0x03 }; #define REPLY_XMITCOUNT 't' @@ -309,12 +310,30 @@ static int irtoy_tx(struct rc_dev *rc, uint *txbuf, uint count) buf[i] = cpu_to_be16(v); } - buf[count] = cpu_to_be16(0xffff); + buf[count] = 0xffff; irtoy->tx_buf = buf; irtoy->tx_len = size; irtoy->emitted = 0; + // There is an issue where if the unit is receiving IR while the + // first TXSTART command is sent, the device might end up hanging + // with its led on. It does not respond to any command when this + // happens. To work around this, re-enter sample mode. + err = irtoy_command(irtoy, COMMAND_SMODE_EXIT, + sizeof(COMMAND_SMODE_EXIT), STATE_RESET); + if (err) { + dev_err(irtoy->dev, "exit sample mode: %d\n", err); + return err; + } + + err = irtoy_command(irtoy, COMMAND_SMODE_ENTER, + sizeof(COMMAND_SMODE_ENTER), STATE_COMMAND); + if (err) { + dev_err(irtoy->dev, "enter sample mode: %d\n", err); + return err; + } + err = irtoy_command(irtoy, COMMAND_TXSTART, sizeof(COMMAND_TXSTART), STATE_TX); kfree(buf); |