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drm/nouveau/i2c/g94-: return REPLY_M value on reads 

This value represents the actual number of bytes recieved on the AUX
channel as the result of a read transaction.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This commit is contained in:
Ben Skeggs 2017-03-01 09:38:29 +10:00
parent 1af5c410cc
commit 5c68d91ee0
2 changed files with 2 additions and 0 deletions
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1
drivers/gpu/drm/nouveau/nvkm/subdev/i2c/auxg94.c
View File

@ -152,6 +152,7 @@ g94_i2c_aux_xfer(struct nvkm_i2c_aux *obj, bool retry,
AUX_TRACE(&aux->base, "rd %08x", xbuf[i / 4]);
}
memcpy(data, xbuf, *size);
*size = stat & 0x0000001f;
}
out:

1
drivers/gpu/drm/nouveau/nvkm/subdev/i2c/auxgm200.c
View File

@ -152,6 +152,7 @@ gm200_i2c_aux_xfer(struct nvkm_i2c_aux *obj, bool retry,
AUX_TRACE(&aux->base, "rd %08x", xbuf[i / 4]);
}
memcpy(data, xbuf, *size);
*size = stat & 0x0000001f;
}
out: