If the lirc device supports it, set the carrier for the protocol. Signed-off-by: Sean Young <sean@xxxxxxxx> --- drivers/media/rc/ir-jvc-decoder.c | 1 + drivers/media/rc/ir-lirc-codec.c | 7 +++++++ drivers/media/rc/ir-mce_kbd-decoder.c | 1 + drivers/media/rc/ir-nec-decoder.c | 1 + drivers/media/rc/ir-rc5-decoder.c | 1 + drivers/media/rc/ir-rc6-decoder.c | 1 + drivers/media/rc/ir-sanyo-decoder.c | 1 + drivers/media/rc/ir-sharp-decoder.c | 1 + drivers/media/rc/ir-sony-decoder.c | 1 + drivers/media/rc/rc-core-priv.h | 1 + drivers/media/rc/rc-ir-raw.c | 30 ++++++++++++++++++++++++++++++ include/media/rc-core.h | 1 + 12 files changed, 47 insertions(+) diff --git a/drivers/media/rc/ir-jvc-decoder.c b/drivers/media/rc/ir-jvc-decoder.c index e2bd68c42edf..2ae20dfc0e61 100644 --- a/drivers/media/rc/ir-jvc-decoder.c +++ b/drivers/media/rc/ir-jvc-decoder.c @@ -212,6 +212,7 @@ static struct ir_raw_handler jvc_handler = { .protocols = RC_PROTO_BIT_JVC, .decode = ir_jvc_decode, .encode = ir_jvc_encode, + .carrier = 38000, }; static int __init ir_jvc_decode_init(void) diff --git a/drivers/media/rc/ir-lirc-codec.c b/drivers/media/rc/ir-lirc-codec.c index 770d768824f4..ff7c46cc201c 100644 --- a/drivers/media/rc/ir-lirc-codec.c +++ b/drivers/media/rc/ir-lirc-codec.c @@ -155,6 +155,13 @@ static ssize_t ir_lirc_transmit_ir(struct file *file, const char __user *buf, for (i = 0; i < count; i++) /* Convert from NS to US */ txbuf[i] = DIV_ROUND_UP(raw[i].duration, 1000); + + if (dev->s_tx_carrier) { + int carrier = ir_raw_encode_carrier(scan.rc_proto); + + if (carrier > 0) + dev->s_tx_carrier(dev, carrier); + } } else { if (n < sizeof(unsigned int) || n % sizeof(unsigned int)) return -EINVAL; diff --git a/drivers/media/rc/ir-mce_kbd-decoder.c b/drivers/media/rc/ir-mce_kbd-decoder.c index 7c572a643656..efa3b735dcc4 100644 --- a/drivers/media/rc/ir-mce_kbd-decoder.c +++ b/drivers/media/rc/ir-mce_kbd-decoder.c @@ -474,6 +474,7 @@ static struct ir_raw_handler mce_kbd_handler = { .encode = ir_mce_kbd_encode, .raw_register = ir_mce_kbd_register, .raw_unregister = ir_mce_kbd_unregister, + .carrier = 36000, }; static int __init ir_mce_kbd_decode_init(void) diff --git a/drivers/media/rc/ir-nec-decoder.c b/drivers/media/rc/ir-nec-decoder.c index 817c18f2ddd1..5380a9b23c07 100644 --- a/drivers/media/rc/ir-nec-decoder.c +++ b/drivers/media/rc/ir-nec-decoder.c @@ -259,6 +259,7 @@ static struct ir_raw_handler nec_handler = { RC_PROTO_BIT_NEC32, .decode = ir_nec_decode, .encode = ir_nec_encode, + .carrier = 38000, }; static int __init ir_nec_decode_init(void) diff --git a/drivers/media/rc/ir-rc5-decoder.c b/drivers/media/rc/ir-rc5-decoder.c index 1292f534de43..cd1c4ee5fcd4 100644 --- a/drivers/media/rc/ir-rc5-decoder.c +++ b/drivers/media/rc/ir-rc5-decoder.c @@ -282,6 +282,7 @@ static struct ir_raw_handler rc5_handler = { RC_PROTO_BIT_RC5_SZ, .decode = ir_rc5_decode, .encode = ir_rc5_encode, + .carrier = 36000, }; static int __init ir_rc5_decode_init(void) diff --git a/drivers/media/rc/ir-rc6-decoder.c b/drivers/media/rc/ir-rc6-decoder.c index 5d0d2fe3b7a7..665025303c28 100644 --- a/drivers/media/rc/ir-rc6-decoder.c +++ b/drivers/media/rc/ir-rc6-decoder.c @@ -408,6 +408,7 @@ static struct ir_raw_handler rc6_handler = { RC_PROTO_BIT_RC6_MCE, .decode = ir_rc6_decode, .encode = ir_rc6_encode, + .carrier = 36000, }; static int __init ir_rc6_decode_init(void) diff --git a/drivers/media/rc/ir-sanyo-decoder.c b/drivers/media/rc/ir-sanyo-decoder.c index 758c60956850..723e7d75a593 100644 --- a/drivers/media/rc/ir-sanyo-decoder.c +++ b/drivers/media/rc/ir-sanyo-decoder.c @@ -218,6 +218,7 @@ static struct ir_raw_handler sanyo_handler = { .protocols = RC_PROTO_BIT_SANYO, .decode = ir_sanyo_decode, .encode = ir_sanyo_encode, + .carrier = 38000, }; static int __init ir_sanyo_decode_init(void) diff --git a/drivers/media/rc/ir-sharp-decoder.c b/drivers/media/rc/ir-sharp-decoder.c index ed43a4212479..73174081e843 100644 --- a/drivers/media/rc/ir-sharp-decoder.c +++ b/drivers/media/rc/ir-sharp-decoder.c @@ -226,6 +226,7 @@ static struct ir_raw_handler sharp_handler = { .protocols = RC_PROTO_BIT_SHARP, .decode = ir_sharp_decode, .encode = ir_sharp_encode, + .carrier = 38000, }; static int __init ir_sharp_decode_init(void) diff --git a/drivers/media/rc/ir-sony-decoder.c b/drivers/media/rc/ir-sony-decoder.c index a47ced763031..e4bcff21c025 100644 --- a/drivers/media/rc/ir-sony-decoder.c +++ b/drivers/media/rc/ir-sony-decoder.c @@ -221,6 +221,7 @@ static struct ir_raw_handler sony_handler = { RC_PROTO_BIT_SONY20, .decode = ir_sony_decode, .encode = ir_sony_encode, + .carrier = 40000, }; static int __init ir_sony_decode_init(void) diff --git a/drivers/media/rc/rc-core-priv.h b/drivers/media/rc/rc-core-priv.h index 43eabea9f152..3cf09408df6c 100644 --- a/drivers/media/rc/rc-core-priv.h +++ b/drivers/media/rc/rc-core-priv.h @@ -29,6 +29,7 @@ struct ir_raw_handler { int (*decode)(struct rc_dev *dev, struct ir_raw_event event); int (*encode)(enum rc_proto protocol, u32 scancode, struct ir_raw_event *events, unsigned int max); + u32 carrier; /* These two should only be used by the lirc decoder */ int (*raw_register)(struct rc_dev *dev); diff --git a/drivers/media/rc/rc-ir-raw.c b/drivers/media/rc/rc-ir-raw.c index 503bc425a187..0814e08a280b 100644 --- a/drivers/media/rc/rc-ir-raw.c +++ b/drivers/media/rc/rc-ir-raw.c @@ -492,6 +492,36 @@ static void edge_handle(unsigned long arg) ir_raw_event_handle(dev); } +/** + * ir_raw_encode_carrier() - Get carrier used for protocol + * + * @protocol: protocol + * + * Attempts to find the carrier for the specified protocol + * + * Returns: The carrier in Hz + * -EINVAL if the protocol is invalid, or if no + * compatible encoder was found. + */ +int ir_raw_encode_carrier(enum rc_proto protocol) +{ + struct ir_raw_handler *handler; + int ret = -EINVAL; + u64 mask = BIT_ULL(protocol); + + mutex_lock(&ir_raw_handler_lock); + list_for_each_entry(handler, &ir_raw_handler_list, list) { + if (handler->protocols & mask && handler->encode) { + ret = handler->carrier; + break; + } + } + mutex_unlock(&ir_raw_handler_lock); + + return ret; +} +EXPORT_SYMBOL(ir_raw_encode_carrier); + /* * Used to (un)register raw event clients */ diff --git a/include/media/rc-core.h b/include/media/rc-core.h index 314a1edb6189..ca48632ec8e2 100644 --- a/include/media/rc-core.h +++ b/include/media/rc-core.h @@ -309,6 +309,7 @@ int ir_raw_event_store_with_filter(struct rc_dev *dev, void ir_raw_event_set_idle(struct rc_dev *dev, bool idle); int ir_raw_encode_scancode(enum rc_proto protocol, u32 scancode, struct ir_raw_event *events, unsigned int max); +int ir_raw_encode_carrier(enum rc_proto protocol); static inline void ir_raw_event_reset(struct rc_dev *dev) { -- 2.13.5