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media: lirc: no need to recalculate duration
This is code existed for when drivers would send less than the whole buffer; no driver does this any more, so this is redundant. Drivers should return -EINVAL if they cannot send the entire buffer. Signed-off-by: Sean Young <sean@mess.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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@ -347,15 +347,6 @@ static ssize_t ir_lirc_transmit_ir(struct file *file, const char __user *buf,
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if (ret < 0)
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goto out_kfree;
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if (fh->send_mode == LIRC_MODE_SCANCODE) {
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ret = n;
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} else {
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for (duration = i = 0; i < ret; i++)
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duration += txbuf[i];
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ret *= sizeof(unsigned int);
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}
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/*
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* The lircd gap calculation expects the write function to
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* wait for the actual IR signal to be transmitted before
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@ -368,6 +359,7 @@ static ssize_t ir_lirc_transmit_ir(struct file *file, const char __user *buf,
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schedule_timeout(usecs_to_jiffies(towait));
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}
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ret = n;
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out_kfree:
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kfree(txbuf);
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kfree(raw);
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