diff options
| author | Jani Nikula <jani.nikula@intel.com> | 2015-12-21 16:11:00 +0300 |
|---|---|---|
| committer | Jani Nikula <jani.nikula@intel.com> | 2016-01-11 20:08:10 +0300 |
| commit | f4d64936afb414fd5af3ac301919407273fb74a4 (patch) | |
| tree | 8c5306ec9664d2476afdfca9e9a86aa382038c44 /drivers/gpu | |
| parent | bc3b9346cd47148db8601fb425a4949902c475ec (diff) | |
| download | linux-f4d64936afb414fd5af3ac301919407273fb74a4.tar.xz | |
drm/i915/bios: interpret the i2c element
Add parsing of the i2c element, defined in MIPI sequence block v2. Drop
the status operation byte while at it, that does not exist.
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/d8a2998977feee2f5b5ad609aaca787adfb41479.1450702954.git.jani.nikula@intel.com
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_bios.c | 5 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/intel_bios.h | 2 |
2 files changed, 6 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/intel_bios.c b/drivers/gpu/drm/i915/intel_bios.c index 71c739e33101..69040a73c09a 100644 --- a/drivers/gpu/drm/i915/intel_bios.c +++ b/drivers/gpu/drm/i915/intel_bios.c @@ -812,6 +812,11 @@ static int goto_next_sequence(const u8 *data, int index, int total) case MIPI_SEQ_ELEM_GPIO: len = 2; break; + case MIPI_SEQ_ELEM_I2C: + if (index + 7 > total) + return 0; + len = *(data + index + 6) + 7; + break; default: DRM_ERROR("Unknown operation byte\n"); return 0; diff --git a/drivers/gpu/drm/i915/intel_bios.h b/drivers/gpu/drm/i915/intel_bios.h index 4e87df16e7b3..411b33794536 100644 --- a/drivers/gpu/drm/i915/intel_bios.h +++ b/drivers/gpu/drm/i915/intel_bios.h @@ -968,7 +968,7 @@ enum mipi_seq_element { MIPI_SEQ_ELEM_SEND_PKT, MIPI_SEQ_ELEM_DELAY, MIPI_SEQ_ELEM_GPIO, - MIPI_SEQ_ELEM_STATUS, + MIPI_SEQ_ELEM_I2C, /* sequence block v2+ */ MIPI_SEQ_ELEM_MAX }; |