diff options
| author | Bjorn Andersson <bjorn.andersson@sonymobile.com> | 2015-08-18 10:34:32 -0700 |
|---|---|---|
| committer | Rob Clark <robdclark@gmail.com> | 2015-10-22 15:39:53 -0400 |
| commit | 556a76e51b5c8e16986e2cc0a5e14306a4e2505a (patch) | |
| tree | ca69f9b2f8df07341e6b50cd7728dbc4417a7fc9 /drivers/gpu/drm/msm/dsi/dsi_host.c | |
| parent | 8217e97ab9888651f4a5b24c682047457965349a (diff) | |
drm: msm: dsi: Don't attempt changing voltage of switches
In some configurations the supplies are voltage switches and not LDOs,
making the set voltage call to fail. Check with the regulator framework
if the supply can change voltage before attempting.
Signed-off-by: Bjorn Andersson <bjorn.andersson@sonymobile.com>
Reviewed-by: Archit Taneja <architt@codeaurora.org>
Signed-off-by: Rob Clark <robdclark@gmail.com>
Diffstat (limited to 'drivers/gpu/drm/msm/dsi/dsi_host.c')
| -rw-r--r-- | drivers/gpu/drm/msm/dsi/dsi_host.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/msm/dsi/dsi_host.c b/drivers/gpu/drm/msm/dsi/dsi_host.c index 8d82973fe9db..4c49868efcda 100644 --- a/drivers/gpu/drm/msm/dsi/dsi_host.c +++ b/drivers/gpu/drm/msm/dsi/dsi_host.c @@ -278,7 +278,7 @@ static int dsi_regulator_init(struct msm_dsi_host *msm_host) } for (i = 0; i < num; i++) { - if ((regs[i].min_voltage >= 0) && (regs[i].max_voltage >= 0)) { + if (regulator_can_change_voltage(s[i].consumer)) { ret = regulator_set_voltage(s[i].consumer, regs[i].min_voltage, regs[i].max_voltage); if (ret < 0) { |