Commit fae009d1 authored Nov 06, 2013 by Jerome Glisse Committed by Alex Deucher Nov 15, 2013

radeon/i2c: do not count reg index in number of i2c byte we are writing.



Useless to count the register index in number of bytes we are writing.

Fixes a regression with hw i2c enabled.

Signed-off-by: Jerome Glisse <jglisse@redhat.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org

parent 936b3264

drivers/gpu/drm/radeon/atombios_i2c.c

+4 −2

Original line number	Diff line number	Diff line
		@@ -56,8 +56,10 @@ static int radeon_process_i2c_ch(struct radeon_i2c_chan *chan,
		return -EINVAL;
		}
		args.ucRegIndex = buf[0];
		if (num > 1)
		memcpy(&out, &buf[1], num - 1);
		if (num > 1) {
		num--;
		memcpy(&out, &buf[1], num);
		}
		args.lpI2CDataOut = cpu_to_le16(out);
		} else {
		if (num > ATOM_MAX_HW_I2C_READ) {

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