diff options
| author | Dave Airlie <airlied@redhat.com> | 2010-05-19 09:35:51 +1000 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2010-05-19 09:35:51 +1000 |
| commit | 05ea893c46805b2981ea8ba6df881e3d65edd63b (patch) | |
| tree | ea381e22d99f49bd2c95238f88491d48b797a17b /drivers/i2c/busses/i2c-pnx.c | |
| parent | 26481fb15644b5fd85d4cea020f74a234cdf6803 (diff) | |
| parent | a7c542782e92f9487c62a571565637be3d6b0ffd (diff) | |
Merge remote branch 'anholt/drm-intel-next' into drm-next
* anholt/drm-intel-next: (515 commits)
drm/i915: Fix out of tree builds
drm/i915: move fence lru to struct drm_i915_fence_reg
drm/i915: don't allow tiling changes on pinned buffers v2
drm/i915: Be extra careful about A/D matching for multifunction SDVO
drm/i915: Fix DDC bus selection for multifunction SDVO
drm/i915: cleanup mode setting before unmapping registers
drm/i915: Make fbc control wrapper functions
drm/i915: Wait for the GPU whilst shrinking, if truly desperate.
drm/i915: Use spatio-temporal dithering on PCH
[MTD] Remove zero-length files mtdbdi.c and internal.ho
pata_pcmcia / ide-cs: Fix bad hashes for Transcend and kingston IDs
libata: Fix several inaccuracies in developer's guide
slub: Fix bad boundary check in init_kmem_cache_nodes()
raid6: fix recovery performance regression
KEYS: call_sbin_request_key() must write lock keyrings before modifying them
KEYS: Use RCU dereference wrappers in keyring key type code
KEYS: find_keyring_by_name() can gain access to a freed keyring
ALSA: hda: Fix 0 dB for Packard Bell models using Conexant CX20549 (Venice)
ALSA: hda - Add quirk for Dell Inspiron 19T using a Conexant CX20582
ALSA: take tu->qlock with irqs disabled
...
Diffstat (limited to 'drivers/i2c/busses/i2c-pnx.c')
| -rw-r--r-- | drivers/i2c/busses/i2c-pnx.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/i2c/busses/i2c-pnx.c b/drivers/i2c/busses/i2c-pnx.c index 247103372a0..a97e3fec814 100644 --- a/drivers/i2c/busses/i2c-pnx.c +++ b/drivers/i2c/busses/i2c-pnx.c @@ -173,6 +173,9 @@ static int i2c_pnx_master_xmit(struct i2c_pnx_algo_data *alg_data) /* We still have something to talk about... */ val = *alg_data->mif.buf++; + if (alg_data->mif.len == 1) + val |= stop_bit; + alg_data->mif.len--; iowrite32(val, I2C_REG_TX(alg_data)); @@ -246,6 +249,9 @@ static int i2c_pnx_master_rcv(struct i2c_pnx_algo_data *alg_data) __func__); if (alg_data->mif.len == 1) { + /* Last byte, do not acknowledge next rcv. */ + val |= stop_bit; + /* * Enable interrupt RFDAIE (data in Rx fifo), * and disable DRMIE (need data for Tx) @@ -633,6 +639,8 @@ static int __devinit i2c_pnx_probe(struct platform_device *pdev) */ tmp = ((freq / 1000) / I2C_PNX_SPEED_KHZ) / 2 - 2; + if (tmp > 0x3FF) + tmp = 0x3FF; iowrite32(tmp, I2C_REG_CKH(alg_data)); iowrite32(tmp, I2C_REG_CKL(alg_data)); |