Okash Khawaja a5525dc0b8
staging: speakup: check and convert dev name or ser to dev_t ...
This patch adds functionality to validate and convert either a device
name or 'ser' memmber of synth into dev_t. Subsequent patch in this set
will call it to convert user-specified device into device number. For
device name, this patch does some basic sanity checks on the string
passed in. It currently supports ttyS*, ttyUSB* and, for selected
synths, lp*.
The patch also introduces a string member variable named 'dev_name' to
struct spk_synth. 'dev_name' represents the device name - ttyUSB0 etc -
which needs conversion to dev_t.
Signed-off-by: Okash Khawaja <okash.khawaja@gmail.com >
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com >
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org >
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a5525dc0b8