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authorChew, Chiau Ee <chiau.ee.chew@intel.com>2014-03-11 19:33:45 +0800
committerWolfram Sang <wsa@the-dreams.de>2014-03-12 08:14:04 +0100
commit8efd1e9ee3bd55e20cb36e56ca53096cf2b3a930 (patch)
treedb5abf2de8a390ddf456e2ac7f899f65c93bf7e8 /Documentation/i2c/functionality
parent4fda99627dc037d3b316c3b3250075645cfcbe4d (diff)
i2c: designware-pci: set ideal HCNT, LCNT and SDA hold time value
On Intel BayTrail, there was case whereby the resulting fast mode bus speed becomes slower (~20% slower compared to expected speed) if using the HCNT/LCNT calculated in the core layer. Thus, this patch is added to allow pci glue layer to pass in optimal HCNT/LCNT/SDA hold time values to core layer since the core layer supports cofigurable HCNT/LCNT/SDA hold time values now. Signed-off-by: Chew, Chiau Ee <chiau.ee.chew@intel.com> Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com> Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
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