mirror of https://gitee.com/openkylin/linux.git
V4L/DVB (4881): budget-ci IR: add IR debugging information
This adds a ir_debug parameter which is useful in tracking down IR decoding problems. Based on Darren Salt's dvb-ir patchset. Signed-off-by: Darren Salt <linux@youmustbejoking.demon.co.uk> Signed-off-by: David Hardeman <david@hardeman.nu> Signed-off-by: Andrew de Quincey <adq_dvb@lidskialf.net> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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@ -92,6 +92,10 @@ static int rc5_device = -1;
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module_param(rc5_device, int, 0644);
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MODULE_PARM_DESC(rc5_device, "only IR commands to given RC5 device (device = 0 - 31, any device = 255, default: autodetect)");
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static int ir_debug = 0;
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module_param(ir_debug, int, 0644);
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MODULE_PARM_DESC(ir_debug, "enable debugging information for IR decoding");
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struct budget_ci_ir {
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struct input_dev *dev;
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struct tasklet_struct msp430_irq_tasklet;
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@ -140,11 +144,15 @@ static void msp430_ir_interrupt(unsigned long data)
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/* Is this a RC5 command byte? */
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if (command & 0x40) {
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if (ir_debug)
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printk("budget_ci: received command byte 0x%02x\n", command);
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ir_key = command & 0x3f;
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return;
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}
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/* It's a RC5 device byte */
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if (ir_debug)
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printk("budget_ci: received device byte 0x%02x\n", command);
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device = command & 0x1f;
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toggle = command & 0x20;
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