From: balrog <balrog@c046a42c-6fe2-441c-8c8c-71466251a162>
Date: Fri, 27 Jul 2007 21:49:15 +0000 (+0000)
Subject: Update TNF bit in I2C status register, original patch by Juergen Lock.
X-Git-Tag: xen-3.3.0-rc1~1271
X-Git-Url: http://xenbits.xensource.com/gitweb?a=commitdiff_plain;h=59c0149bc6b4e29c6605e943d4c30686c2bed589;p=qemu-xen-4.0-testing.git

Update TNF bit in I2C status register, original patch by Juergen Lock.


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3088 c046a42c-6fe2-441c-8c8c-71466251a162
---

diff --git a/hw/pxa2xx.c b/hw/pxa2xx.c
index a1c54b98..6109fc13 100644
--- a/hw/pxa2xx.c
+++ b/hw/pxa2xx.c
@@ -1530,6 +1530,8 @@ static inline void pxa2xx_i2s_update(struct pxa2xx_i2s_s *i2s)
     pxa2xx_dma_request(i2s->dma, PXA2XX_TX_RQ_I2S, tfs);
 
     i2s->status &= 0xe0;
+    if (i2s->fifo_len < 16 || !i2s->enable)
+        i2s->status |= 1 << 0;			/* TNF */
     if (i2s->rx_len)
         i2s->status |= 1 << 1;			/* RNE */
     if (i2s->enable)