[Intel-gfx] [PATCH 09/15] drm/i915/bios: interpret the i2c element

[Jani Nikula]

Add parsing of the i2c element, defined in MIPI sequence block v2. Drop
the status operation byte while at it, that does not exist.

Signed-off-by: Jani Nikula <jani.nikula at intel.com>
---
 drivers/gpu/drm/i915/intel_bios.c | 5 +++++
 drivers/gpu/drm/i915/intel_bios.h | 2 +-
 2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/intel_bios.c b/drivers/gpu/drm/i915/intel_bios.c
index d6eaf32f33e5..45a7a2bc96c6 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
 };
 
-- 
2.1.4