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求助，我的i2c2通道在Linux2.6.37在版本不工作了，在2.6.32版本上不存在这个问题。什么情况？
omap_hwmod: i2c1: softreset failed (waited 10000 usec) omap_hwmod: i2c2: softreset failed (waited 10000 usec) omap_hwmod: i2c3: softreset failed (waited 10000 usec) ...... omap_device: omap_i2c.1: new worst case activate latency 0: 30517 omap_i2c omap_i2c.1: bus 1 rev3.12 at 400 kHz omap_i2c omap_i2c.2: bus 2 rev3.12 at 400 kHz omap_i2c omap_i2c.3: bus 3 rev3.12 at 400 kHz ...... omap_i2c omap_i2c.2: timeout waiting for bus ready tlv320aic23_write cannot write 000 to register R15 omap_i2c omap_i2c.2: controller timed out waiting for start condition to finish omap_i2c omap_i2c.2: timeout waiting for bus ready tlv320aic23_write cannot write 047 to register R6 omap_i2c omap_i2c.2: timeout waiting for bus ready tlv320aic23_write cannot write 004 to register R5 omap_i2c omap_i2c.2: controller timed out waiting for start condition to finish omap_i2c omap_i2c.2: timeout waiting for bus ready tlv320aic23_write cannot write 117 to register R0 omap_i2c omap_i2c.2: controller timed out waiting for start condition to finish omap_i2c omap_i2c.2: timeout waiting for bus ready tlv320aic23_write cannot write 117 to register R1 omap_i2c omap_i2c.2: timeout waiting for bus ready tlv320aic23_write cannot write 010 to register R4 omap_i2c omap_i2c.2: controller timed out waiting for start condition to finish omap_i2c omap_i2c.2: timeout waiting for bus ready tlv320aic23_write cannot write 070 to register R2 omap_i2c omap_i2c.2: controller timed out waiting for start condition to finish omap_i2c omap_i2c.2: timeout waiting for bus ready tlv320aic23_write cannot write 070 to register R3 omap_i2c omap_i2c.2: controller timed out waiting for start condition to finish omap_i2c omap_i2c.2: timeout waiting for bus ready tlv320aic23_write cannot write 001 to register R9 asoc: tlv320aic23-hifi <-> omap-mcbsp-dai.0 mapping ok ALSA device list: #0: am3517evm 
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3个回答
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问题解决了，我把OMAP_MUX禁用就OK了 D：)
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请问“把OMAP_MUX禁用”是怎么实现的？MUXMODE只有0~7，这0~7中没有一项是说到disable mux的。 |
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您好！请问怎么禁用OMAP_MUX？我把ti8168_evm_init()中的ti81xx_mux_init(board_mux)；屏蔽了，也不行。 |
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