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HID: cp2112: support large i2c transfers
authorEllen Wang <ellen@cumulusnetworks.com>
Wed, 8 Jul 2015 18:17:39 +0000 (11:17 -0700)
committerJiri Kosina <jkosina@suse.com>
Thu, 9 Jul 2015 12:15:53 +0000 (14:15 +0200)
commit5ddfb12e90c73cf86881345be422e09c367f6981
treea8e76a63d4a61f07f34d4f8a1d98a638c340634a
parent6debce6f4e787a8eb4cec94e7afa85fb4f40db27
HID: cp2112: support large i2c transfers

cp2112_i2c_xfer() only reads up to 61 bytes, returning EIO on longers reads.
The fix is to wrap a loop around cp2112_read() to pick up all the returned
data.

Signed-off-by: Ellen Wang <ellen@cumulusnetworks.com>
Signed-off-by: Jiri Kosina <jkosina@suse.com>
drivers/hid/hid-cp2112.c