From: "Arve Hjønnevåg" <arve@android.com>
To: Tomi Valkeinen <tomi.valkeinen@ti.com>
Cc: linux-omap@vger.kernel.org, "Dima Zavin" <dima@android.com>,
"Arve Hjønnevåg" <arve@android.com>
Subject: [PATCH] OMAP: DSS2: DSI: Support non-dcs long read
Date: Wed, 29 Jun 2011 20:44:43 -0700 [thread overview]
Message-ID: <1309405483-6876-1-git-send-email-arve@android.com> (raw)
Change-Id: I18168c887e1384c07dc033a1ffc57abdacb26073
Signed-off-by: Arve Hjønnevåg <arve@android.com>
---
drivers/video/omap2/dss/dsi.c | 7 ++++++-
1 files changed, 6 insertions(+), 1 deletions(-)
diff --git a/drivers/video/omap2/dss/dsi.c b/drivers/video/omap2/dss/dsi.c
index c16b933..6975645 100644
--- a/drivers/video/omap2/dss/dsi.c
+++ b/drivers/video/omap2/dss/dsi.c
@@ -206,6 +206,7 @@ struct dsi_reg { u16 idx; };
#define DSI_DT_DCS_LONG_WRITE 0x39
#define DSI_DT_RX_ACK_WITH_ERR 0x02
+#define DSI_DT_RX_LONG_READ 0x1a
#define DSI_DT_RX_DCS_LONG_READ 0x1c
#define DSI_DT_RX_SHORT_READ_1 0x21
#define DSI_DT_RX_SHORT_READ_2 0x22
@@ -2943,6 +2944,10 @@ static u16 dsi_vc_flush_receive_data(struct platform_device *dsidev,
} else if (dt == DSI_DT_RX_SHORT_READ_2) {
DSSERR("\tDCS short response, 2 byte: %#x\n",
FLD_GET(val, 23, 8));
+ } else if (dt == DSI_DT_RX_LONG_READ) {
+ DSSERR("\tlong response, len %d\n",
+ FLD_GET(val, 23, 8));
+ dsi_vc_flush_long_data(dsidev, channel);
} else if (dt == DSI_DT_RX_DCS_LONG_READ) {
DSSERR("\tDCS long response, len %d\n",
FLD_GET(val, 23, 8));
@@ -3287,7 +3292,7 @@ int dsi_vc_dcs_read(struct omap_dss_device *dssdev, int channel, u8 dcs_cmd,
buf[1] = (data >> 8) & 0xff;
return 2;
- } else if (dt == DSI_DT_RX_DCS_LONG_READ) {
+ } else if (dt == DSI_DT_RX_DCS_LONG_READ || dt == DSI_DT_RX_LONG_READ) {
int w;
int len = FLD_GET(val, 23, 8);
if (dsi->debug_read)
--
1.7.3.1
--
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next reply other threads:[~2011-06-30 3:45 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-06-30 3:44 Arve Hjønnevåg [this message]
2011-08-04 12:06 ` [PATCH] OMAP: DSS2: DSI: Support non-dcs long read Tomi Valkeinen
2011-08-05 1:15 ` Arve Hjønnevåg
2011-08-05 7:09 ` Tomi Valkeinen
2011-08-05 7:17 ` Arve Hjønnevåg
2011-08-05 7:53 ` Tomi Valkeinen
2011-08-05 23:05 ` Arve Hjønnevåg
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