diff options
Diffstat (limited to 'drivers/media/rc/img-ir')
| -rw-r--r-- | drivers/media/rc/img-ir/Kconfig | 15 | ||||
| -rw-r--r-- | drivers/media/rc/img-ir/Makefile | 2 | ||||
| -rw-r--r-- | drivers/media/rc/img-ir/img-ir-hw.c | 84 | ||||
| -rw-r--r-- | drivers/media/rc/img-ir/img-ir-hw.h | 24 | ||||
| -rw-r--r-- | drivers/media/rc/img-ir/img-ir-jvc.c | 8 | ||||
| -rw-r--r-- | drivers/media/rc/img-ir/img-ir-nec.c | 24 | ||||
| -rw-r--r-- | drivers/media/rc/img-ir/img-ir-rc5.c | 88 | ||||
| -rw-r--r-- | drivers/media/rc/img-ir/img-ir-rc6.c | 117 | ||||
| -rw-r--r-- | drivers/media/rc/img-ir/img-ir-sanyo.c | 8 | ||||
| -rw-r--r-- | drivers/media/rc/img-ir/img-ir-sharp.c | 8 | ||||
| -rw-r--r-- | drivers/media/rc/img-ir/img-ir-sony.c | 12 |
11 files changed, 348 insertions, 42 deletions
diff --git a/drivers/media/rc/img-ir/Kconfig b/drivers/media/rc/img-ir/Kconfig index 580715c7fc5e..a896d3c83a1c 100644 --- a/drivers/media/rc/img-ir/Kconfig +++ b/drivers/media/rc/img-ir/Kconfig @@ -60,3 +60,18 @@ config IR_IMG_SANYO help Say Y here to enable support for the Sanyo protocol (used by Sanyo, Aiwa, Chinon remotes) in the ImgTec infrared decoder block. + +config IR_IMG_RC5 + bool "Philips RC5 protocol support" + depends on IR_IMG_HW + help + Say Y here to enable support for the RC5 protocol in the ImgTec + infrared decoder block. + +config IR_IMG_RC6 + bool "Philips RC6 protocol support" + depends on IR_IMG_HW + help + Say Y here to enable support for the RC6 protocol in the ImgTec + infrared decoder block. + Note: This version only supports mode 0. diff --git a/drivers/media/rc/img-ir/Makefile b/drivers/media/rc/img-ir/Makefile index 92a459d99509..8e6d458e66ad 100644 --- a/drivers/media/rc/img-ir/Makefile +++ b/drivers/media/rc/img-ir/Makefile @@ -6,6 +6,8 @@ img-ir-$(CONFIG_IR_IMG_JVC) += img-ir-jvc.o img-ir-$(CONFIG_IR_IMG_SONY) += img-ir-sony.o img-ir-$(CONFIG_IR_IMG_SHARP) += img-ir-sharp.o img-ir-$(CONFIG_IR_IMG_SANYO) += img-ir-sanyo.o +img-ir-$(CONFIG_IR_IMG_RC5) += img-ir-rc5.o +img-ir-$(CONFIG_IR_IMG_RC6) += img-ir-rc6.o img-ir-objs := $(img-ir-y) obj-$(CONFIG_IR_IMG) += img-ir.o diff --git a/drivers/media/rc/img-ir/img-ir-hw.c b/drivers/media/rc/img-ir/img-ir-hw.c index 2fd47c9bf5d8..7bb71bc9f534 100644 --- a/drivers/media/rc/img-ir/img-ir-hw.c +++ b/drivers/media/rc/img-ir/img-ir-hw.c @@ -42,6 +42,12 @@ static struct img_ir_decoder *img_ir_decoders[] = { #ifdef CONFIG_IR_IMG_SANYO &img_ir_sanyo, #endif +#ifdef CONFIG_IR_IMG_RC5 + &img_ir_rc5, +#endif +#ifdef CONFIG_IR_IMG_RC6 + &img_ir_rc6, +#endif NULL }; @@ -52,6 +58,11 @@ static struct img_ir_decoder *img_ir_decoders[] = { #define IMG_IR_QUIRK_CODE_BROKEN 0x1 /* Decode is broken */ #define IMG_IR_QUIRK_CODE_LEN_INCR 0x2 /* Bit length needs increment */ +/* + * The decoder generates rapid interrupts without actually having + * received any new data after an incomplete IR code is decoded. + */ +#define IMG_IR_QUIRK_CODE_IRQ 0x4 /* functions for preprocessing timings, ensuring max is set */ @@ -542,6 +553,7 @@ static void img_ir_set_decoder(struct img_ir_priv *priv, */ spin_unlock_irq(&priv->lock); del_timer_sync(&hw->end_timer); + del_timer_sync(&hw->suspend_timer); spin_lock_irq(&priv->lock); hw->stopping = false; @@ -806,20 +818,24 @@ static void img_ir_handle_data(struct img_ir_priv *priv, u32 len, u64 raw) struct img_ir_priv_hw *hw = &priv->hw; const struct img_ir_decoder *dec = hw->decoder; int ret = IMG_IR_SCANCODE; - u32 scancode; - enum rc_type protocol = RC_TYPE_UNKNOWN; + struct img_ir_scancode_req request; + + request.protocol = RC_TYPE_UNKNOWN; + request.toggle = 0; if (dec->scancode) - ret = dec->scancode(len, raw, &protocol, &scancode, hw->enabled_protocols); + ret = dec->scancode(len, raw, hw->enabled_protocols, &request); else if (len >= 32) - scancode = (u32)raw; + request.scancode = (u32)raw; else if (len < 32) - scancode = (u32)raw & ((1 << len)-1); + request.scancode = (u32)raw & ((1 << len)-1); dev_dbg(priv->dev, "data (%u bits) = %#llx\n", len, (unsigned long long)raw); if (ret == IMG_IR_SCANCODE) { - dev_dbg(priv->dev, "decoded scan code %#x\n", scancode); - rc_keydown(hw->rdev, protocol, scancode, 0); + dev_dbg(priv->dev, "decoded scan code %#x, toggle %u\n", + request.scancode, request.toggle); + rc_keydown(hw->rdev, request.protocol, request.scancode, + request.toggle); img_ir_end_repeat(priv); } else if (ret == IMG_IR_REPEATCODE) { if (hw->mode == IMG_IR_M_REPEATING) { @@ -857,6 +873,29 @@ static void img_ir_end_timer(unsigned long arg) spin_unlock_irq(&priv->lock); } +/* + * Timer function to re-enable the current protocol after it had been + * cleared when invalid interrupts were generated due to a quirk in the + * img-ir decoder. + */ +static void img_ir_suspend_timer(unsigned long arg) +{ + struct img_ir_priv *priv = (struct img_ir_priv *)arg; + + spin_lock_irq(&priv->lock); + /* + * Don't overwrite enabled valid/match IRQs if they have already been + * changed by e.g. a filter change. + */ + if ((priv->hw.quirk_suspend_irq & IMG_IR_IRQ_EDGE) == + img_ir_read(priv, IMG_IR_IRQ_ENABLE)) + img_ir_write(priv, IMG_IR_IRQ_ENABLE, + priv->hw.quirk_suspend_irq); + /* enable */ + img_ir_write(priv, IMG_IR_CONTROL, priv->hw.reg_timings.ctrl); + spin_unlock_irq(&priv->lock); +} + #ifdef CONFIG_COMMON_CLK static void img_ir_change_frequency(struct img_ir_priv *priv, struct clk_notifier_data *change) @@ -922,15 +961,38 @@ void img_ir_isr_hw(struct img_ir_priv *priv, u32 irq_status) if (!hw->decoder) return; + ct = hw->decoder->control.code_type; + ir_status = img_ir_read(priv, IMG_IR_STATUS); - if (!(ir_status & (IMG_IR_RXDVAL | IMG_IR_RXDVALD2))) + if (!(ir_status & (IMG_IR_RXDVAL | IMG_IR_RXDVALD2))) { + if (!(priv->hw.ct_quirks[ct] & IMG_IR_QUIRK_CODE_IRQ) || + hw->stopping) + return; + /* + * The below functionality is added as a work around to stop + * multiple Interrupts generated when an incomplete IR code is + * received by the decoder. + * The decoder generates rapid interrupts without actually + * having received any new data. After a single interrupt it's + * expected to clear up, but instead multiple interrupts are + * rapidly generated. only way to get out of this loop is to + * reset the control register after a short delay. + */ + img_ir_write(priv, IMG_IR_CONTROL, 0); + hw->quirk_suspend_irq = img_ir_read(priv, IMG_IR_IRQ_ENABLE); + img_ir_write(priv, IMG_IR_IRQ_ENABLE, + hw->quirk_suspend_irq & IMG_IR_IRQ_EDGE); + + /* Timer activated to re-enable the protocol. */ + mod_timer(&hw->suspend_timer, + jiffies + msecs_to_jiffies(5)); return; + } ir_status &= ~(IMG_IR_RXDVAL | IMG_IR_RXDVALD2); img_ir_write(priv, IMG_IR_STATUS, ir_status); len = (ir_status & IMG_IR_RXDLEN) >> IMG_IR_RXDLEN_SHIFT; /* some versions report wrong length for certain code types */ - ct = hw->decoder->control.code_type; if (hw->ct_quirks[ct] & IMG_IR_QUIRK_CODE_LEN_INCR) ++len; @@ -972,7 +1034,7 @@ static void img_ir_probe_hw_caps(struct img_ir_priv *priv) hw->ct_quirks[IMG_IR_CODETYPE_PULSELEN] |= IMG_IR_QUIRK_CODE_LEN_INCR; hw->ct_quirks[IMG_IR_CODETYPE_BIPHASE] - |= IMG_IR_QUIRK_CODE_BROKEN; + |= IMG_IR_QUIRK_CODE_IRQ; hw->ct_quirks[IMG_IR_CODETYPE_2BITPULSEPOS] |= IMG_IR_QUIRK_CODE_BROKEN; } @@ -991,6 +1053,8 @@ int img_ir_probe_hw(struct img_ir_priv *priv) /* Set up the end timer */ setup_timer(&hw->end_timer, img_ir_end_timer, (unsigned long)priv); + setup_timer(&hw->suspend_timer, img_ir_suspend_timer, + (unsigned long)priv); /* Register a clock notifier */ if (!IS_ERR(priv->clk)) { diff --git a/drivers/media/rc/img-ir/img-ir-hw.h b/drivers/media/rc/img-ir/img-ir-hw.h index 5c2b216c5fe3..91a297731661 100644 --- a/drivers/media/rc/img-ir/img-ir-hw.h +++ b/drivers/media/rc/img-ir/img-ir-hw.h @@ -133,6 +133,20 @@ struct img_ir_timing_regvals { #define IMG_IR_REPEATCODE 1 /* repeat the previous code */ /** + * struct img_ir_scancode_req - Scancode request data. + * @protocol: Protocol code of received message (defaults to + * RC_TYPE_UNKNOWN). + * @scancode: Scan code of received message (must be written by + * handler if IMG_IR_SCANCODE is returned). + * @toggle: Toggle bit (defaults to 0). + */ +struct img_ir_scancode_req { + enum rc_type protocol; + u32 scancode; + u8 toggle; +}; + +/** * struct img_ir_decoder - Decoder settings for an IR protocol. * @type: Protocol types bitmap. * @tolerance: Timing tolerance as a percentage (default 10%). @@ -162,8 +176,8 @@ struct img_ir_decoder { struct img_ir_control control; /* scancode logic */ - int (*scancode)(int len, u64 raw, enum rc_type *protocol, - u32 *scancode, u64 enabled_protocols); + int (*scancode)(int len, u64 raw, u64 enabled_protocols, + struct img_ir_scancode_req *request); int (*filter)(const struct rc_scancode_filter *in, struct img_ir_filter *out, u64 protocols); }; @@ -173,6 +187,8 @@ extern struct img_ir_decoder img_ir_jvc; extern struct img_ir_decoder img_ir_sony; extern struct img_ir_decoder img_ir_sharp; extern struct img_ir_decoder img_ir_sanyo; +extern struct img_ir_decoder img_ir_rc5; +extern struct img_ir_decoder img_ir_rc6; /** * struct img_ir_reg_timings - Reg values for decoder timings at clock rate. @@ -204,6 +220,7 @@ enum img_ir_mode { * @rdev: Remote control device * @clk_nb: Notifier block for clock notify events. * @end_timer: Timer until repeat timeout. + * @suspend_timer: Timer to re-enable protocol. * @decoder: Current decoder settings. * @enabled_protocols: Currently enabled protocols. * @clk_hz: Current core clock rate in Hz. @@ -214,12 +231,14 @@ enum img_ir_mode { * @stopping: Indicates that decoder is being taken down and timers * should not be restarted. * @suspend_irqen: Saved IRQ enable mask over suspend. + * @quirk_suspend_irq: Saved IRQ enable mask over quirk suspend timer. */ struct img_ir_priv_hw { unsigned int ct_quirks[4]; struct rc_dev *rdev; struct notifier_block clk_nb; struct timer_list end_timer; + struct timer_list suspend_timer; const struct img_ir_decoder *decoder; u64 enabled_protocols; unsigned long clk_hz; @@ -230,6 +249,7 @@ struct img_ir_priv_hw { enum img_ir_mode mode; bool stopping; u32 suspend_irqen; + u32 quirk_suspend_irq; }; static inline bool img_ir_hw_enabled(struct img_ir_priv_hw *hw) diff --git a/drivers/media/rc/img-ir/img-ir-jvc.c b/drivers/media/rc/img-ir/img-ir-jvc.c index a60dda8bf706..d3e2fc0bcfe1 100644 --- a/drivers/media/rc/img-ir/img-ir-jvc.c +++ b/drivers/media/rc/img-ir/img-ir-jvc.c @@ -12,8 +12,8 @@ #include "img-ir-hw.h" /* Convert JVC data to a scancode */ -static int img_ir_jvc_scancode(int len, u64 raw, enum rc_type *protocol, - u32 *scancode, u64 enabled_protocols) +static int img_ir_jvc_scancode(int len, u64 raw, u64 enabled_protocols, + struct img_ir_scancode_req *request) { unsigned int cust, data; @@ -23,8 +23,8 @@ static int img_ir_jvc_scancode(int len, u64 raw, enum rc_type *protocol, cust = (raw >> 0) & 0xff; data = (raw >> 8) & 0xff; - *protocol = RC_TYPE_JVC; - *scancode = cust << 8 | data; + request->protocol = RC_TYPE_JVC; + request->scancode = cust << 8 | data; return IMG_IR_SCANCODE; } diff --git a/drivers/media/rc/img-ir/img-ir-nec.c b/drivers/media/rc/img-ir/img-ir-nec.c index 739897549b5b..27a7ea8f1260 100644 --- a/drivers/media/rc/img-ir/img-ir-nec.c +++ b/drivers/media/rc/img-ir/img-ir-nec.c @@ -13,8 +13,8 @@ #include <linux/bitrev.h> /* Convert NEC data to a scancode */ -static int img_ir_nec_scancode(int len, u64 raw, enum rc_type *protocol, - u32 *scancode, u64 enabled_protocols) +static int img_ir_nec_scancode(int len, u64 raw, u64 enabled_protocols, + struct img_ir_scancode_req *request) { unsigned int addr, addr_inv, data, data_inv; /* a repeat code has no data */ @@ -30,23 +30,23 @@ static int img_ir_nec_scancode(int len, u64 raw, enum rc_type *protocol, if ((data_inv ^ data) != 0xff) { /* 32-bit NEC (used by Apple and TiVo remotes) */ /* scan encoding: as transmitted, MSBit = first received bit */ - *scancode = bitrev8(addr) << 24 | - bitrev8(addr_inv) << 16 | - bitrev8(data) << 8 | - bitrev8(data_inv); + request->scancode = bitrev8(addr) << 24 | + bitrev8(addr_inv) << 16 | + bitrev8(data) << 8 | + bitrev8(data_inv); } else if ((addr_inv ^ addr) != 0xff) { /* Extended NEC */ /* scan encoding: AAaaDD */ - *scancode = addr << 16 | - addr_inv << 8 | - data; + request->scancode = addr << 16 | + addr_inv << 8 | + data; } else { /* Normal NEC */ /* scan encoding: AADD */ - *scancode = addr << 8 | - data; + request->scancode = addr << 8 | + data; } - *protocol = RC_TYPE_NEC; + request->protocol = RC_TYPE_NEC; return IMG_IR_SCANCODE; } diff --git a/drivers/media/rc/img-ir/img-ir-rc5.c b/drivers/media/rc/img-ir/img-ir-rc5.c new file mode 100644 index 000000000000..a8a28a377eee --- /dev/null +++ b/drivers/media/rc/img-ir/img-ir-rc5.c @@ -0,0 +1,88 @@ +/* + * ImgTec IR Decoder setup for Philips RC-5 protocol. + * + * Copyright 2012-2014 Imagination Technologies Ltd. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + */ + +#include "img-ir-hw.h" + +/* Convert RC5 data to a scancode */ +static int img_ir_rc5_scancode(int len, u64 raw, u64 enabled_protocols, + struct img_ir_scancode_req *request) +{ + unsigned int addr, cmd, tgl, start; + + /* Quirk in the decoder shifts everything by 2 to the left. */ + raw >>= 2; + + start = (raw >> 13) & 0x01; + tgl = (raw >> 11) & 0x01; + addr = (raw >> 6) & 0x1f; + cmd = raw & 0x3f; + /* + * 12th bit is used to extend the command in extended RC5 and has + * no effect on standard RC5. + */ + cmd += ((raw >> 12) & 0x01) ? 0 : 0x40; + + if (!start) + return -EINVAL; + + request->protocol = RC_TYPE_RC5; + request->scancode = addr << 8 | cmd; + request->toggle = tgl; + return IMG_IR_SCANCODE; +} + +/* Convert RC5 scancode to RC5 data filter */ +static int img_ir_rc5_filter(const struct rc_scancode_filter *in, + struct img_ir_filter *out, u64 protocols) +{ + /* Not supported by the hw. */ + return -EINVAL; +} + +/* + * RC-5 decoder + * see http://www.sbprojects.com/knowledge/ir/rc5.php + */ +struct img_ir_decoder img_ir_rc5 = { + .type = RC_BIT_RC5, + .control = { + .bitoriend2 = 1, + .code_type = IMG_IR_CODETYPE_BIPHASE, + .decodend2 = 1, + }, + /* main timings */ + .tolerance = 16, + .unit = 888888, /* 1/36k*32=888.888microseconds */ + .timings = { + /* 10 symbol */ + .s10 = { + .pulse = { 1 }, + .space = { 1 }, + }, + + /* 11 symbol */ + .s11 = { + .pulse = { 1 }, + .space = { 1 }, + }, + + /* free time */ + .ft = { + .minlen = 14, + .maxlen = 14, + .ft_min = 5, + }, + }, + + /* scancode logic */ + .scancode = img_ir_rc5_scancode, + .filter = img_ir_rc5_filter, +}; diff --git a/drivers/media/rc/img-ir/img-ir-rc6.c b/drivers/media/rc/img-ir/img-ir-rc6.c new file mode 100644 index 000000000000..de1e27534968 --- /dev/null +++ b/drivers/media/rc/img-ir/img-ir-rc6.c @@ -0,0 +1,117 @@ +/* + * ImgTec IR Decoder setup for Philips RC-6 protocol. + * + * Copyright 2012-2014 Imagination Technologies Ltd. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + */ + +#include "img-ir-hw.h" + +/* Convert RC6 data to a scancode */ +static int img_ir_rc6_scancode(int len, u64 raw, u64 enabled_protocols, + struct img_ir_scancode_req *request) +{ + unsigned int addr, cmd, mode, trl1, trl2; + + /* + * Due to a side effect of the decoder handling the double length + * Trailer bit, the header information is a bit scrambled, and the + * raw data is shifted incorrectly. + * This workaround effectively recovers the header bits. + * + * The Header field should look like this: + * + * StartBit ModeBit2 ModeBit1 ModeBit0 TrailerBit + * + * But what we get is: + * + * ModeBit2 ModeBit1 ModeBit0 TrailerBit1 TrailerBit2 + * + * The start bit is not important to recover the scancode. + */ + + raw >>= 27; + + trl1 = (raw >> 17) & 0x01; + trl2 = (raw >> 16) & 0x01; + + mode = (raw >> 18) & 0x07; + addr = (raw >> 8) & 0xff; + cmd = raw & 0xff; + + /* + * Due to the above explained irregularity the trailer bits cannot + * have the same value. + */ + if (trl1 == trl2) + return -EINVAL; + + /* Only mode 0 supported for now */ + if (mode) + return -EINVAL; + + request->protocol = RC_TYPE_RC6_0; + request->scancode = addr << 8 | cmd; + request->toggle = trl2; + return IMG_IR_SCANCODE; +} + +/* Convert RC6 scancode to RC6 data filter */ +static int img_ir_rc6_filter(const struct rc_scancode_filter *in, + struct img_ir_filter *out, u64 protocols) +{ + /* Not supported by the hw. */ + return -EINVAL; +} + +/* + * RC-6 decoder + * see http://www.sbprojects.com/knowledge/ir/rc6.php + */ +struct img_ir_decoder img_ir_rc6 = { + .type = RC_BIT_RC6_0, + .control = { + .bitorien = 1, + .code_type = IMG_IR_CODETYPE_BIPHASE, + .decoden = 1, + .decodinpol = 1, + }, + /* main timings */ + .tolerance = 20, + /* + * Due to a quirk in the img-ir decoder, default header values do + * not work, the values described below were extracted from + * successful RTL test cases. + */ + .timings = { + /* leader symbol */ + .ldr = { + .pulse = { 650 }, + .space = { 660 }, + }, + /* 0 symbol */ + .s00 = { + .pulse = { 370 }, + .space = { 370 }, + }, + /* 01 symbol */ + .s01 = { + .pulse = { 370 }, + .space = { 370 }, + }, + /* free time */ + .ft = { + .minlen = 21, + .maxlen = 21, + .ft_min = 2666, /* 2.666 ms */ + }, + }, + + /* scancode logic */ + .scancode = img_ir_rc6_scancode, + .filter = img_ir_rc6_filter, +}; diff --git a/drivers/media/rc/img-ir/img-ir-sanyo.c b/drivers/media/rc/img-ir/img-ir-sanyo.c index 6b0653ecdf5a..f394994ffc22 100644 --- a/drivers/media/rc/img-ir/img-ir-sanyo.c +++ b/drivers/media/rc/img-ir/img-ir-sanyo.c @@ -23,8 +23,8 @@ #include "img-ir-hw.h" /* Convert Sanyo data to a scancode */ -static int img_ir_sanyo_scancode(int len, u64 raw, enum rc_type *protocol, - u32 *scancode, u64 enabled_protocols) +static int img_ir_sanyo_scancode(int len, u64 raw, u64 enabled_protocols, + struct img_ir_scancode_req *request) { unsigned int addr, addr_inv, data, data_inv; /* a repeat code has no data */ @@ -44,8 +44,8 @@ static int img_ir_sanyo_scancode(int len, u64 raw, enum rc_type *protocol, return -EINVAL; /* Normal Sanyo */ - *protocol = RC_TYPE_SANYO; - *scancode = addr << 8 | data; + request->protocol = RC_TYPE_SANYO; + request->scancode = addr << 8 | data; return IMG_IR_SCANCODE; } diff --git a/drivers/media/rc/img-ir/img-ir-sharp.c b/drivers/media/rc/img-ir/img-ir-sharp.c index 3300a38802ac..fe5acc4f030e 100644 --- a/drivers/media/rc/img-ir/img-ir-sharp.c +++ b/drivers/media/rc/img-ir/img-ir-sharp.c @@ -12,8 +12,8 @@ #include "img-ir-hw.h" /* Convert Sharp data to a scancode */ -static int img_ir_sharp_scancode(int len, u64 raw, enum rc_type *protocol, - u32 *scancode, u64 enabled_protocols) +static int img_ir_sharp_scancode(int len, u64 raw, u64 enabled_protocols, + struct img_ir_scancode_req *request) { unsigned int addr, cmd, exp, chk; @@ -32,8 +32,8 @@ static int img_ir_sharp_scancode(int len, u64 raw, enum rc_type *protocol, /* probably the second half of the message */ return -EINVAL; - *protocol = RC_TYPE_SHARP; - *scancode = addr << 8 | cmd; + request->protocol = RC_TYPE_SHARP; + request->scancode = addr << 8 | cmd; return IMG_IR_SCANCODE; } diff --git a/drivers/media/rc/img-ir/img-ir-sony.c b/drivers/media/rc/img-ir/img-ir-sony.c index 3a0f17b0752c..7f7375f82ed6 100644 --- a/drivers/media/rc/img-ir/img-ir-sony.c +++ b/drivers/media/rc/img-ir/img-ir-sony.c @@ -12,8 +12,8 @@ #include "img-ir-hw.h" /* Convert Sony data to a scancode */ -static int img_ir_sony_scancode(int len, u64 raw, enum rc_type *protocol, - u32 *scancode, u64 enabled_protocols) +static int img_ir_sony_scancode(int len, u64 raw, u64 enabled_protocols, + struct img_ir_scancode_req *request) { unsigned int dev, subdev, func; @@ -25,7 +25,7 @@ static int img_ir_sony_scancode(int len, u64 raw, enum rc_type *protocol, raw >>= 7; dev = raw & 0x1f; /* next 5 bits */ subdev = 0; - *protocol = RC_TYPE_SONY12; + request->protocol = RC_TYPE_SONY12; break; case 15: if (!(enabled_protocols & RC_BIT_SONY15)) @@ -34,7 +34,7 @@ static int img_ir_sony_scancode(int len, u64 raw, enum rc_type *protocol, raw >>= 7; dev = raw & 0xff; /* next 8 bits */ subdev = 0; - *protocol = RC_TYPE_SONY15; + request->protocol = RC_TYPE_SONY15; break; case 20: if (!(enabled_protocols & RC_BIT_SONY20)) @@ -44,12 +44,12 @@ static int img_ir_sony_scancode(int len, u64 raw, enum rc_type *protocol, dev = raw & 0x1f; /* next 5 bits */ raw >>= 5; subdev = raw & 0xff; /* next 8 bits */ - *protocol = RC_TYPE_SONY20; + request->protocol = RC_TYPE_SONY20; break; default: return -EINVAL; } - *scancode = dev << 16 | subdev << 8 | func; + request->scancode = dev << 16 | subdev << 8 | func; return IMG_IR_SCANCODE; } |