diff options
Diffstat (limited to 'drivers/media')
-rw-r--r-- | drivers/media/rc/ene_ir.c | 4 | ||||
-rw-r--r-- | drivers/media/rc/ene_ir.h | 2 | ||||
-rw-r--r-- | drivers/media/rc/ir-lirc-codec.c | 15 | ||||
-rw-r--r-- | drivers/media/rc/ite-cir.c | 5 | ||||
-rw-r--r-- | drivers/media/rc/mceusb.c | 10 | ||||
-rw-r--r-- | drivers/media/rc/nuvoton-cir.c | 12 | ||||
-rw-r--r-- | drivers/media/rc/rc-loopback.c | 13 | ||||
-rw-r--r-- | drivers/media/rc/winbond-cir.c | 6 |
8 files changed, 24 insertions, 43 deletions
diff --git a/drivers/media/rc/ene_ir.c b/drivers/media/rc/ene_ir.c index a43ed6c41bfc..2b9c2569d74a 100644 --- a/drivers/media/rc/ene_ir.c +++ b/drivers/media/rc/ene_ir.c @@ -953,13 +953,13 @@ static void ene_set_idle(struct rc_dev *rdev, bool idle) } /* outside interface: transmit */ -static int ene_transmit(struct rc_dev *rdev, int *buf, u32 n) +static int ene_transmit(struct rc_dev *rdev, unsigned *buf, unsigned n) { struct ene_device *dev = rdev->priv; unsigned long flags; dev->tx_buffer = buf; - dev->tx_len = n / sizeof(int); + dev->tx_len = n; dev->tx_pos = 0; dev->tx_reg = 0; dev->tx_done = 0; diff --git a/drivers/media/rc/ene_ir.h b/drivers/media/rc/ene_ir.h index 337a41d4450b..017c209cdf8a 100644 --- a/drivers/media/rc/ene_ir.h +++ b/drivers/media/rc/ene_ir.h @@ -235,7 +235,7 @@ struct ene_device { bool tx_sample_pulse; /* current sample is pulse */ /* TX buffer */ - int *tx_buffer; /* input samples buffer*/ + unsigned *tx_buffer; /* input samples buffer*/ int tx_pos; /* position in that bufer */ int tx_len; /* current len of tx buffer */ int tx_done; /* done transmitting */ diff --git a/drivers/media/rc/ir-lirc-codec.c b/drivers/media/rc/ir-lirc-codec.c index 1c5cc65ea1e1..e5eeec4da76e 100644 --- a/drivers/media/rc/ir-lirc-codec.c +++ b/drivers/media/rc/ir-lirc-codec.c @@ -103,19 +103,19 @@ static ssize_t ir_lirc_transmit_ir(struct file *file, const char *buf, { struct lirc_codec *lirc; struct rc_dev *dev; - int *txbuf; /* buffer with values to transmit */ - int ret = 0; + unsigned int *txbuf; /* buffer with values to transmit */ + ssize_t ret = 0; size_t count; lirc = lirc_get_pdata(file); if (!lirc) return -EFAULT; - if (n % sizeof(int)) + if (n < sizeof(unsigned) || n % sizeof(unsigned)) return -EINVAL; - count = n / sizeof(int); - if (count > LIRCBUF_SIZE || count % 2 == 0 || n % sizeof(int) != 0) + count = n / sizeof(unsigned); + if (count > LIRCBUF_SIZE || count % 2 == 0) return -EINVAL; txbuf = memdup_user(buf, n); @@ -129,7 +129,10 @@ static ssize_t ir_lirc_transmit_ir(struct file *file, const char *buf, } if (dev->tx_ir) - ret = dev->tx_ir(dev, txbuf, (u32)n); + ret = dev->tx_ir(dev, txbuf, count); + + if (ret > 0) + ret *= sizeof(unsigned); out: kfree(txbuf); diff --git a/drivers/media/rc/ite-cir.c b/drivers/media/rc/ite-cir.c index ecd3d0280768..1cee20761a3f 100644 --- a/drivers/media/rc/ite-cir.c +++ b/drivers/media/rc/ite-cir.c @@ -383,7 +383,7 @@ static int ite_set_tx_duty_cycle(struct rc_dev *rcdev, u32 duty_cycle) /* transmit out IR pulses; what you get here is a batch of alternating * pulse/space/pulse/space lengths that we should write out completely through * the FIFO, blocking on a full FIFO */ -static int ite_tx_ir(struct rc_dev *rcdev, int *txbuf, u32 n) +static int ite_tx_ir(struct rc_dev *rcdev, unsigned *txbuf, unsigned n) { unsigned long flags; struct ite_dev *dev = rcdev->priv; @@ -399,9 +399,6 @@ static int ite_tx_ir(struct rc_dev *rcdev, int *txbuf, u32 n) /* clear the array just in case */ memset(last_sent, 0, ARRAY_SIZE(last_sent)); - /* n comes in bytes; convert to ints */ - n /= sizeof(int); - spin_lock_irqsave(&dev->lock, flags); /* let everybody know we're now transmitting */ diff --git a/drivers/media/rc/mceusb.c b/drivers/media/rc/mceusb.c index ec972dc25790..85ff9a1ffb39 100644 --- a/drivers/media/rc/mceusb.c +++ b/drivers/media/rc/mceusb.c @@ -692,20 +692,18 @@ static void mce_flush_rx_buffer(struct mceusb_dev *ir, int size) } /* Send data out the IR blaster port(s) */ -static int mceusb_tx_ir(struct rc_dev *dev, int *txbuf, u32 n) +static int mceusb_tx_ir(struct rc_dev *dev, unsigned *txbuf, unsigned count) { struct mceusb_dev *ir = dev->priv; int i, ret = 0; - int count, cmdcount = 0; + int cmdcount = 0; unsigned char *cmdbuf; /* MCE command buffer */ long signal_duration = 0; /* Singnal length in us */ struct timeval start_time, end_time; do_gettimeofday(&start_time); - count = n / sizeof(int); - - cmdbuf = kzalloc(sizeof(int) * MCE_CMDBUF_SIZE, GFP_KERNEL); + cmdbuf = kzalloc(sizeof(unsigned) * MCE_CMDBUF_SIZE, GFP_KERNEL); if (!cmdbuf) return -ENOMEM; @@ -774,7 +772,7 @@ static int mceusb_tx_ir(struct rc_dev *dev, int *txbuf, u32 n) out: kfree(cmdbuf); - return ret ? ret : n; + return ret ? ret : count; } /* Sets active IR outputs -- mce devices typically have two */ diff --git a/drivers/media/rc/nuvoton-cir.c b/drivers/media/rc/nuvoton-cir.c index ce595f9ab4c7..eae05b500476 100644 --- a/drivers/media/rc/nuvoton-cir.c +++ b/drivers/media/rc/nuvoton-cir.c @@ -546,24 +546,18 @@ static int nvt_set_tx_carrier(struct rc_dev *dev, u32 carrier) * number may larger than TXFCONT (0xff). So in interrupt_handler, it has to * set TXFCONT as 0xff, until buf_count less than 0xff. */ -static int nvt_tx_ir(struct rc_dev *dev, int *txbuf, u32 n) +static int nvt_tx_ir(struct rc_dev *dev, unsigned *txbuf, unsigned n) { struct nvt_dev *nvt = dev->priv; unsigned long flags; - size_t cur_count; unsigned int i; u8 iren; int ret; spin_lock_irqsave(&nvt->tx.lock, flags); - if (n >= TX_BUF_LEN) { - nvt->tx.buf_count = cur_count = TX_BUF_LEN; - ret = TX_BUF_LEN; - } else { - nvt->tx.buf_count = cur_count = n; - ret = n; - } + ret = min((unsigned)(TX_BUF_LEN / sizeof(unsigned)), n); + nvt->tx.buf_count = (ret * sizeof(unsigned)); memcpy(nvt->tx.buf, txbuf, nvt->tx.buf_count); diff --git a/drivers/media/rc/rc-loopback.c b/drivers/media/rc/rc-loopback.c index cc846b2619cf..efc6a514348a 100644 --- a/drivers/media/rc/rc-loopback.c +++ b/drivers/media/rc/rc-loopback.c @@ -101,21 +101,14 @@ static int loop_set_rx_carrier_range(struct rc_dev *dev, u32 min, u32 max) return 0; } -static int loop_tx_ir(struct rc_dev *dev, int *txbuf, u32 n) +static int loop_tx_ir(struct rc_dev *dev, unsigned *txbuf, unsigned count) { struct loopback_dev *lodev = dev->priv; u32 rxmask; - unsigned count; unsigned total_duration = 0; unsigned i; DEFINE_IR_RAW_EVENT(rawir); - if (n == 0 || n % sizeof(int)) { - dprintk("invalid tx buffer size\n"); - return -EINVAL; - } - - count = n / sizeof(int); for (i = 0; i < count; i++) total_duration += abs(txbuf[i]); @@ -142,7 +135,7 @@ static int loop_tx_ir(struct rc_dev *dev, int *txbuf, u32 n) for (i = 0; i < count; i++) { rawir.pulse = i % 2 ? false : true; - rawir.duration = abs(txbuf[i]) * 1000; + rawir.duration = txbuf[i] * 1000; if (rawir.duration) ir_raw_event_store_with_filter(dev, &rawir); } @@ -158,7 +151,7 @@ out: /* Lirc expects this function to take as long as the total duration */ set_current_state(TASK_INTERRUPTIBLE); schedule_timeout(usecs_to_jiffies(total_duration)); - return n; + return count; } static void loop_set_idle(struct rc_dev *dev, bool enable) diff --git a/drivers/media/rc/winbond-cir.c b/drivers/media/rc/winbond-cir.c index 18e70d104f80..bec8abc965f7 100644 --- a/drivers/media/rc/winbond-cir.c +++ b/drivers/media/rc/winbond-cir.c @@ -577,16 +577,12 @@ wbcir_txmask(struct rc_dev *dev, u32 mask) } static int -wbcir_tx(struct rc_dev *dev, int *buf, u32 bufsize) +wbcir_tx(struct rc_dev *dev, unsigned *buf, unsigned count) { struct wbcir_data *data = dev->priv; - u32 count; unsigned i; unsigned long flags; - /* bufsize has been sanity checked by the caller */ - count = bufsize / sizeof(int); - /* Not sure if this is possible, but better safe than sorry */ spin_lock_irqsave(&data->spinlock, flags); if (data->txstate != WBCIR_TXSTATE_INACTIVE) { |