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note.txt
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note.txt
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# cat /dev/misc/cdata-ts
cdata: request irq failed.
cat: /dev/misc/cdata-ts: Operation not permitted
# cat /proc/interrupts
13: 0 DMA timer
14: 11559 timer
30: 0 RTC Alarm
52: 396 serial_s3c2410_rx
53: 574 serial_s3c2410_tx
54: 0 serial_s3c2410_err
61: 26 s3c2410-ts
62: 40507 s3c2410-ts
Err: 0
#
^^^^^^
interrupt#
IRQ_TC : 61, which is already occupied by s3c2410-ts
You have to turn off touch screen driver by menuconfig
<Character devices> => <*> Support S3C2410 TouchScreen
make dep; make; make Image
// After closeup S3C2410, it can be allocated by cdata-ts now.
# cat /dev/misc/cdata-ts
# cat /proc/interrupts
13: 0 DMA timer
14: 9931 timer
30: 0 RTC Alarm
52: 458 serial_s3c2410_rx
53: 530 serial_s3c2410_tx
54: 0 serial_s3c2410_err
61: 0 cdata-ts
Err: 0
#
# data_ts: down....
data_ts: down....
data_ts: down....
# cat /proc/interrupts
13: 0 DMA timer
14: 15805 timer
30: 0 RTC Alarm
52: 188 serial_s3c2410_rx
53: 182 serial_s3c2410_tx
54: 0 serial_s3c2410_err
61: 3 cdata-ts
Err: 0
#